CVE-2024-36886 (GCVE-0-2024-36886)
Vulnerability from cvelistv5
Published
2024-05-30 15:28
Modified
2025-05-04 09:11
Severity ?
8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: tipc: fix UAF in error path Sam Page (sam4k) working with Trend Micro Zero Day Initiative reported a UAF in the tipc_buf_append() error path: BUG: KASAN: slab-use-after-free in kfree_skb_list_reason+0x47e/0x4c0 linux/net/core/skbuff.c:1183 Read of size 8 at addr ffff88804d2a7c80 by task poc/8034 CPU: 1 PID: 8034 Comm: poc Not tainted 6.8.2 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.0-debian-1.16.0-5 04/01/2014 Call Trace: <IRQ> __dump_stack linux/lib/dump_stack.c:88 dump_stack_lvl+0xd9/0x1b0 linux/lib/dump_stack.c:106 print_address_description linux/mm/kasan/report.c:377 print_report+0xc4/0x620 linux/mm/kasan/report.c:488 kasan_report+0xda/0x110 linux/mm/kasan/report.c:601 kfree_skb_list_reason+0x47e/0x4c0 linux/net/core/skbuff.c:1183 skb_release_data+0x5af/0x880 linux/net/core/skbuff.c:1026 skb_release_all linux/net/core/skbuff.c:1094 __kfree_skb linux/net/core/skbuff.c:1108 kfree_skb_reason+0x12d/0x210 linux/net/core/skbuff.c:1144 kfree_skb linux/./include/linux/skbuff.h:1244 tipc_buf_append+0x425/0xb50 linux/net/tipc/msg.c:186 tipc_link_input+0x224/0x7c0 linux/net/tipc/link.c:1324 tipc_link_rcv+0x76e/0x2d70 linux/net/tipc/link.c:1824 tipc_rcv+0x45f/0x10f0 linux/net/tipc/node.c:2159 tipc_udp_recv+0x73b/0x8f0 linux/net/tipc/udp_media.c:390 udp_queue_rcv_one_skb+0xad2/0x1850 linux/net/ipv4/udp.c:2108 udp_queue_rcv_skb+0x131/0xb00 linux/net/ipv4/udp.c:2186 udp_unicast_rcv_skb+0x165/0x3b0 linux/net/ipv4/udp.c:2346 __udp4_lib_rcv+0x2594/0x3400 linux/net/ipv4/udp.c:2422 ip_protocol_deliver_rcu+0x30c/0x4e0 linux/net/ipv4/ip_input.c:205 ip_local_deliver_finish+0x2e4/0x520 linux/net/ipv4/ip_input.c:233 NF_HOOK linux/./include/linux/netfilter.h:314 NF_HOOK linux/./include/linux/netfilter.h:308 ip_local_deliver+0x18e/0x1f0 linux/net/ipv4/ip_input.c:254 dst_input linux/./include/net/dst.h:461 ip_rcv_finish linux/net/ipv4/ip_input.c:449 NF_HOOK linux/./include/linux/netfilter.h:314 NF_HOOK linux/./include/linux/netfilter.h:308 ip_rcv+0x2c5/0x5d0 linux/net/ipv4/ip_input.c:569 __netif_receive_skb_one_core+0x199/0x1e0 linux/net/core/dev.c:5534 __netif_receive_skb+0x1f/0x1c0 linux/net/core/dev.c:5648 process_backlog+0x101/0x6b0 linux/net/core/dev.c:5976 __napi_poll.constprop.0+0xba/0x550 linux/net/core/dev.c:6576 napi_poll linux/net/core/dev.c:6645 net_rx_action+0x95a/0xe90 linux/net/core/dev.c:6781 __do_softirq+0x21f/0x8e7 linux/kernel/softirq.c:553 do_softirq linux/kernel/softirq.c:454 do_softirq+0xb2/0xf0 linux/kernel/softirq.c:441 </IRQ> <TASK> __local_bh_enable_ip+0x100/0x120 linux/kernel/softirq.c:381 local_bh_enable linux/./include/linux/bottom_half.h:33 rcu_read_unlock_bh linux/./include/linux/rcupdate.h:851 __dev_queue_xmit+0x871/0x3ee0 linux/net/core/dev.c:4378 dev_queue_xmit linux/./include/linux/netdevice.h:3169 neigh_hh_output linux/./include/net/neighbour.h:526 neigh_output linux/./include/net/neighbour.h:540 ip_finish_output2+0x169f/0x2550 linux/net/ipv4/ip_output.c:235 __ip_finish_output linux/net/ipv4/ip_output.c:313 __ip_finish_output+0x49e/0x950 linux/net/ipv4/ip_output.c:295 ip_finish_output+0x31/0x310 linux/net/ipv4/ip_output.c:323 NF_HOOK_COND linux/./include/linux/netfilter.h:303 ip_output+0x13b/0x2a0 linux/net/ipv4/ip_output.c:433 dst_output linux/./include/net/dst.h:451 ip_local_out linux/net/ipv4/ip_output.c:129 ip_send_skb+0x3e5/0x560 linux/net/ipv4/ip_output.c:1492 udp_send_skb+0x73f/0x1530 linux/net/ipv4/udp.c:963 udp_sendmsg+0x1a36/0x2b40 linux/net/ipv4/udp.c:1250 inet_sendmsg+0x105/0x140 linux/net/ipv4/af_inet.c:850 sock_sendmsg_nosec linux/net/socket.c:730 __sock_sendmsg linux/net/socket.c:745 __sys_sendto+0x42c/0x4e0 linux/net/socket.c:2191 __do_sys_sendto linux/net/socket.c:2203 __se_sys_sendto linux/net/socket.c:2199 __x64_sys_sendto+0xe0/0x1c0 linux/net/socket.c:2199 do_syscall_x64 linux/arch/x86/entry/common.c:52 do_syscall_ ---truncated---
References
Impacted products
Vendor Product Version
Linux Linux Version: 1149557d64c97dc9adf3103347a1c0e8c06d3b89
Version: 1149557d64c97dc9adf3103347a1c0e8c06d3b89
Version: 1149557d64c97dc9adf3103347a1c0e8c06d3b89
Version: 1149557d64c97dc9adf3103347a1c0e8c06d3b89
Version: 1149557d64c97dc9adf3103347a1c0e8c06d3b89
Version: 1149557d64c97dc9adf3103347a1c0e8c06d3b89
Version: 1149557d64c97dc9adf3103347a1c0e8c06d3b89
Version: 1149557d64c97dc9adf3103347a1c0e8c06d3b89
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntipc: fix UAF in error path\n\nSam Page (sam4k) working with Trend Micro Zero Day Initiative reported\na UAF in the tipc_buf_append() error path:\n\nBUG: KASAN: slab-use-after-free in kfree_skb_list_reason+0x47e/0x4c0\nlinux/net/core/skbuff.c:1183\nRead of size 8 at addr ffff88804d2a7c80 by task poc/8034\n\nCPU: 1 PID: 8034 Comm: poc Not tainted 6.8.2 #1\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\n1.16.0-debian-1.16.0-5 04/01/2014\nCall Trace:\n \u003cIRQ\u003e\n __dump_stack linux/lib/dump_stack.c:88\n dump_stack_lvl+0xd9/0x1b0 linux/lib/dump_stack.c:106\n print_address_description linux/mm/kasan/report.c:377\n print_report+0xc4/0x620 linux/mm/kasan/report.c:488\n kasan_report+0xda/0x110 linux/mm/kasan/report.c:601\n kfree_skb_list_reason+0x47e/0x4c0 linux/net/core/skbuff.c:1183\n skb_release_data+0x5af/0x880 linux/net/core/skbuff.c:1026\n skb_release_all linux/net/core/skbuff.c:1094\n __kfree_skb linux/net/core/skbuff.c:1108\n kfree_skb_reason+0x12d/0x210 linux/net/core/skbuff.c:1144\n kfree_skb linux/./include/linux/skbuff.h:1244\n tipc_buf_append+0x425/0xb50 linux/net/tipc/msg.c:186\n tipc_link_input+0x224/0x7c0 linux/net/tipc/link.c:1324\n tipc_link_rcv+0x76e/0x2d70 linux/net/tipc/link.c:1824\n tipc_rcv+0x45f/0x10f0 linux/net/tipc/node.c:2159\n tipc_udp_recv+0x73b/0x8f0 linux/net/tipc/udp_media.c:390\n udp_queue_rcv_one_skb+0xad2/0x1850 linux/net/ipv4/udp.c:2108\n udp_queue_rcv_skb+0x131/0xb00 linux/net/ipv4/udp.c:2186\n udp_unicast_rcv_skb+0x165/0x3b0 linux/net/ipv4/udp.c:2346\n __udp4_lib_rcv+0x2594/0x3400 linux/net/ipv4/udp.c:2422\n ip_protocol_deliver_rcu+0x30c/0x4e0 linux/net/ipv4/ip_input.c:205\n ip_local_deliver_finish+0x2e4/0x520 linux/net/ipv4/ip_input.c:233\n NF_HOOK linux/./include/linux/netfilter.h:314\n NF_HOOK linux/./include/linux/netfilter.h:308\n ip_local_deliver+0x18e/0x1f0 linux/net/ipv4/ip_input.c:254\n dst_input linux/./include/net/dst.h:461\n ip_rcv_finish linux/net/ipv4/ip_input.c:449\n NF_HOOK linux/./include/linux/netfilter.h:314\n NF_HOOK linux/./include/linux/netfilter.h:308\n ip_rcv+0x2c5/0x5d0 linux/net/ipv4/ip_input.c:569\n __netif_receive_skb_one_core+0x199/0x1e0 linux/net/core/dev.c:5534\n __netif_receive_skb+0x1f/0x1c0 linux/net/core/dev.c:5648\n process_backlog+0x101/0x6b0 linux/net/core/dev.c:5976\n __napi_poll.constprop.0+0xba/0x550 linux/net/core/dev.c:6576\n napi_poll linux/net/core/dev.c:6645\n net_rx_action+0x95a/0xe90 linux/net/core/dev.c:6781\n __do_softirq+0x21f/0x8e7 linux/kernel/softirq.c:553\n do_softirq linux/kernel/softirq.c:454\n do_softirq+0xb2/0xf0 linux/kernel/softirq.c:441\n \u003c/IRQ\u003e\n \u003cTASK\u003e\n __local_bh_enable_ip+0x100/0x120 linux/kernel/softirq.c:381\n local_bh_enable linux/./include/linux/bottom_half.h:33\n rcu_read_unlock_bh linux/./include/linux/rcupdate.h:851\n __dev_queue_xmit+0x871/0x3ee0 linux/net/core/dev.c:4378\n dev_queue_xmit linux/./include/linux/netdevice.h:3169\n neigh_hh_output linux/./include/net/neighbour.h:526\n neigh_output linux/./include/net/neighbour.h:540\n ip_finish_output2+0x169f/0x2550 linux/net/ipv4/ip_output.c:235\n __ip_finish_output linux/net/ipv4/ip_output.c:313\n __ip_finish_output+0x49e/0x950 linux/net/ipv4/ip_output.c:295\n ip_finish_output+0x31/0x310 linux/net/ipv4/ip_output.c:323\n NF_HOOK_COND linux/./include/linux/netfilter.h:303\n ip_output+0x13b/0x2a0 linux/net/ipv4/ip_output.c:433\n dst_output linux/./include/net/dst.h:451\n ip_local_out linux/net/ipv4/ip_output.c:129\n ip_send_skb+0x3e5/0x560 linux/net/ipv4/ip_output.c:1492\n udp_send_skb+0x73f/0x1530 linux/net/ipv4/udp.c:963\n udp_sendmsg+0x1a36/0x2b40 linux/net/ipv4/udp.c:1250\n inet_sendmsg+0x105/0x140 linux/net/ipv4/af_inet.c:850\n sock_sendmsg_nosec linux/net/socket.c:730\n __sock_sendmsg linux/net/socket.c:745\n __sys_sendto+0x42c/0x4e0 linux/net/socket.c:2191\n __do_sys_sendto linux/net/socket.c:2203\n __se_sys_sendto linux/net/socket.c:2199\n __x64_sys_sendto+0xe0/0x1c0 linux/net/socket.c:2199\n do_syscall_x64 linux/arch/x86/entry/common.c:52\n do_syscall_\n---truncated---"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T09:11:25.063Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/e19ec8ab0e25bc4803d7cc91c84e84532e2781bd"
        },
        {
          "url": "https://git.kernel.org/stable/c/93bc2d6d16f2c3178736ba6b845b30475856dc40"
        },
        {
          "url": "https://git.kernel.org/stable/c/367766ff9e407f8a68409b7ce4dc4d5a72afeab1"
        },
        {
          "url": "https://git.kernel.org/stable/c/66116556076f0b96bc1aa9844008c743c8c67684"
        },
        {
          "url": "https://git.kernel.org/stable/c/21ea04aad8a0839b4ec27ef1691ca480620e8e14"
        },
        {
          "url": "https://git.kernel.org/stable/c/ffd4917c1edb3c3ff334fce3704fbe9c39f35682"
        },
        {
          "url": "https://git.kernel.org/stable/c/a0fbb26f8247e326a320e2cb4395bfb234332c90"
        },
        {
          "url": "https://git.kernel.org/stable/c/080cbb890286cd794f1ee788bbc5463e2deb7c2b"
        }
      ],
      "title": "tipc: fix UAF in error path",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-36886",
    "datePublished": "2024-05-30T15:28:55.059Z",
    "dateReserved": "2024-05-30T15:25:07.065Z",
    "dateUpdated": "2025-05-04T09:11:25.063Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://git.kernel.org/stable/c/e19ec8ab0e25bc4803d7cc91c84e84532e2781bd\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/93bc2d6d16f2c3178736ba6b845b30475856dc40\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/367766ff9e407f8a68409b7ce4dc4d5a72afeab1\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/66116556076f0b96bc1aa9844008c743c8c67684\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/21ea04aad8a0839b4ec27ef1691ca480620e8e14\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/ffd4917c1edb3c3ff334fce3704fbe9c39f35682\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/a0fbb26f8247e326a320e2cb4395bfb234332c90\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/080cbb890286cd794f1ee788bbc5463e2deb7c2b\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2024/06/msg00019.html\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20241018-0002/\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-10-18T13:07:39.609Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 8.1, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"HIGH\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-36886\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-06-22T03:55:33.064938Z\"}}}], \"affected\": [{\"cpes\": [\"cpe:2.3:o:linux:linux_kernel:4.1:-:*:*:*:*:*:*\"], \"vendor\": \"linux\", \"product\": \"linux_kernel\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.1\"}], \"defaultStatus\": \"unknown\"}, {\"cpes\": [\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\"], \"vendor\": \"linux\", \"product\": \"linux_kernel\", \"versions\": [{\"status\": \"affected\", \"version\": \"1149557d64c9\", \"lessThan\": \"e19ec8ab0e25\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"version\": \"1149557d64c9\", \"lessThan\": \"93bc2d6d16f2\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"version\": \"1149557d64c9\", \"lessThan\": \"367766ff9e40\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"version\": \"1149557d64c9\", \"lessThan\": \"66116556076f\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"version\": \"1149557d64c9\", \"lessThan\": \"21ea04aad8a0\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"version\": \"1149557d64c9\", \"lessThan\": \"ffd4917c1edb\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"version\": \"1149557d64c9\", \"lessThan\": \"a0fbb26f8247\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"version\": \"1149557d64c9\", \"lessThan\": \"080cbb890286\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unknown\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-416\", \"description\": \"CWE-416 Use After Free\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-06-24T12:35:43.683Z\"}}], \"cna\": {\"title\": \"tipc: fix UAF in error path\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"1149557d64c9\", \"lessThan\": \"e19ec8ab0e25\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1149557d64c9\", \"lessThan\": \"93bc2d6d16f2\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1149557d64c9\", \"lessThan\": \"367766ff9e40\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1149557d64c9\", \"lessThan\": \"66116556076f\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1149557d64c9\", \"lessThan\": \"21ea04aad8a0\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1149557d64c9\", \"lessThan\": \"ffd4917c1edb\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1149557d64c9\", \"lessThan\": \"a0fbb26f8247\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1149557d64c9\", \"lessThan\": \"080cbb890286\", \"versionType\": \"git\"}], \"programFiles\": [\"net/tipc/msg.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.1\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.1\", \"versionType\": \"custom\"}, {\"status\": \"unaffected\", \"version\": \"4.19.314\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.276\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.217\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.159\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.91\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.31\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.8.10\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"6.8.*\"}, {\"status\": \"unaffected\", \"version\": \"6.9\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"net/tipc/msg.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/e19ec8ab0e25bc4803d7cc91c84e84532e2781bd\"}, {\"url\": \"https://git.kernel.org/stable/c/93bc2d6d16f2c3178736ba6b845b30475856dc40\"}, {\"url\": \"https://git.kernel.org/stable/c/367766ff9e407f8a68409b7ce4dc4d5a72afeab1\"}, {\"url\": \"https://git.kernel.org/stable/c/66116556076f0b96bc1aa9844008c743c8c67684\"}, {\"url\": \"https://git.kernel.org/stable/c/21ea04aad8a0839b4ec27ef1691ca480620e8e14\"}, {\"url\": \"https://git.kernel.org/stable/c/ffd4917c1edb3c3ff334fce3704fbe9c39f35682\"}, {\"url\": \"https://git.kernel.org/stable/c/a0fbb26f8247e326a320e2cb4395bfb234332c90\"}, {\"url\": \"https://git.kernel.org/stable/c/080cbb890286cd794f1ee788bbc5463e2deb7c2b\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2024/06/msg00019.html\"}], \"x_generator\": {\"engine\": \"bippy-a5840b7849dd\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ntipc: fix UAF in error path\\n\\nSam Page (sam4k) working with Trend Micro Zero Day Initiative reported\\na UAF in the tipc_buf_append() error path:\\n\\nBUG: KASAN: slab-use-after-free in kfree_skb_list_reason+0x47e/0x4c0\\nlinux/net/core/skbuff.c:1183\\nRead of size 8 at addr ffff88804d2a7c80 by task poc/8034\\n\\nCPU: 1 PID: 8034 Comm: poc Not tainted 6.8.2 #1\\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\\n1.16.0-debian-1.16.0-5 04/01/2014\\nCall Trace:\\n \u003cIRQ\u003e\\n __dump_stack linux/lib/dump_stack.c:88\\n dump_stack_lvl+0xd9/0x1b0 linux/lib/dump_stack.c:106\\n print_address_description linux/mm/kasan/report.c:377\\n print_report+0xc4/0x620 linux/mm/kasan/report.c:488\\n kasan_report+0xda/0x110 linux/mm/kasan/report.c:601\\n kfree_skb_list_reason+0x47e/0x4c0 linux/net/core/skbuff.c:1183\\n skb_release_data+0x5af/0x880 linux/net/core/skbuff.c:1026\\n skb_release_all linux/net/core/skbuff.c:1094\\n __kfree_skb linux/net/core/skbuff.c:1108\\n kfree_skb_reason+0x12d/0x210 linux/net/core/skbuff.c:1144\\n kfree_skb linux/./include/linux/skbuff.h:1244\\n tipc_buf_append+0x425/0xb50 linux/net/tipc/msg.c:186\\n tipc_link_input+0x224/0x7c0 linux/net/tipc/link.c:1324\\n tipc_link_rcv+0x76e/0x2d70 linux/net/tipc/link.c:1824\\n tipc_rcv+0x45f/0x10f0 linux/net/tipc/node.c:2159\\n tipc_udp_recv+0x73b/0x8f0 linux/net/tipc/udp_media.c:390\\n udp_queue_rcv_one_skb+0xad2/0x1850 linux/net/ipv4/udp.c:2108\\n udp_queue_rcv_skb+0x131/0xb00 linux/net/ipv4/udp.c:2186\\n udp_unicast_rcv_skb+0x165/0x3b0 linux/net/ipv4/udp.c:2346\\n __udp4_lib_rcv+0x2594/0x3400 linux/net/ipv4/udp.c:2422\\n ip_protocol_deliver_rcu+0x30c/0x4e0 linux/net/ipv4/ip_input.c:205\\n ip_local_deliver_finish+0x2e4/0x520 linux/net/ipv4/ip_input.c:233\\n NF_HOOK linux/./include/linux/netfilter.h:314\\n NF_HOOK linux/./include/linux/netfilter.h:308\\n ip_local_deliver+0x18e/0x1f0 linux/net/ipv4/ip_input.c:254\\n dst_input linux/./include/net/dst.h:461\\n ip_rcv_finish linux/net/ipv4/ip_input.c:449\\n NF_HOOK linux/./include/linux/netfilter.h:314\\n NF_HOOK linux/./include/linux/netfilter.h:308\\n ip_rcv+0x2c5/0x5d0 linux/net/ipv4/ip_input.c:569\\n __netif_receive_skb_one_core+0x199/0x1e0 linux/net/core/dev.c:5534\\n __netif_receive_skb+0x1f/0x1c0 linux/net/core/dev.c:5648\\n process_backlog+0x101/0x6b0 linux/net/core/dev.c:5976\\n __napi_poll.constprop.0+0xba/0x550 linux/net/core/dev.c:6576\\n napi_poll linux/net/core/dev.c:6645\\n net_rx_action+0x95a/0xe90 linux/net/core/dev.c:6781\\n __do_softirq+0x21f/0x8e7 linux/kernel/softirq.c:553\\n do_softirq linux/kernel/softirq.c:454\\n do_softirq+0xb2/0xf0 linux/kernel/softirq.c:441\\n \u003c/IRQ\u003e\\n \u003cTASK\u003e\\n __local_bh_enable_ip+0x100/0x120 linux/kernel/softirq.c:381\\n local_bh_enable linux/./include/linux/bottom_half.h:33\\n rcu_read_unlock_bh linux/./include/linux/rcupdate.h:851\\n __dev_queue_xmit+0x871/0x3ee0 linux/net/core/dev.c:4378\\n dev_queue_xmit linux/./include/linux/netdevice.h:3169\\n neigh_hh_output linux/./include/net/neighbour.h:526\\n neigh_output linux/./include/net/neighbour.h:540\\n ip_finish_output2+0x169f/0x2550 linux/net/ipv4/ip_output.c:235\\n __ip_finish_output linux/net/ipv4/ip_output.c:313\\n __ip_finish_output+0x49e/0x950 linux/net/ipv4/ip_output.c:295\\n ip_finish_output+0x31/0x310 linux/net/ipv4/ip_output.c:323\\n NF_HOOK_COND linux/./include/linux/netfilter.h:303\\n ip_output+0x13b/0x2a0 linux/net/ipv4/ip_output.c:433\\n dst_output linux/./include/net/dst.h:451\\n ip_local_out linux/net/ipv4/ip_output.c:129\\n ip_send_skb+0x3e5/0x560 linux/net/ipv4/ip_output.c:1492\\n udp_send_skb+0x73f/0x1530 linux/net/ipv4/udp.c:963\\n udp_sendmsg+0x1a36/0x2b40 linux/net/ipv4/udp.c:1250\\n inet_sendmsg+0x105/0x140 linux/net/ipv4/af_inet.c:850\\n sock_sendmsg_nosec linux/net/socket.c:730\\n __sock_sendmsg linux/net/socket.c:745\\n __sys_sendto+0x42c/0x4e0 linux/net/socket.c:2191\\n __do_sys_sendto linux/net/socket.c:2203\\n __se_sys_sendto linux/net/socket.c:2199\\n __x64_sys_sendto+0xe0/0x1c0 linux/net/socket.c:2199\\n do_syscall_x64 linux/arch/x86/entry/common.c:52\\n do_syscall_\\n---truncated---\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2024-05-30T15:28:55.059Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-36886\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-10-18T13:07:39.609Z\", \"dateReserved\": \"2024-05-30T15:25:07.065Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-30T15:28:55.059Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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