CVE-2024-35915 (GCVE-0-2024-35915)
Vulnerability from cvelistv5
Published
2024-05-19 08:35
Modified
2026-08-05 11:30
Severity ?
8.8 (High) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: nfc: nci: Fix uninit-value in nci_dev_up and nci_ntf_packet syzbot reported the following uninit-value access issue [1][2]: nci_rx_work() parses and processes received packet. When the payload length is zero, each message type handler reads uninitialized payload and KMSAN detects this issue. The receipt of a packet with a zero-size payload is considered unexpected, and therefore, such packets should be silently discarded. This patch resolved this issue by checking payload size before calling each message type handler codes.
References
Impacted products
Vendor Product Version
Linux Linux Version: 6a2968aaf50c7a22fced77a5e24aa636281efca8
Version: 6a2968aaf50c7a22fced77a5e24aa636281efca8
Version: 6a2968aaf50c7a22fced77a5e24aa636281efca8
Version: 6a2968aaf50c7a22fced77a5e24aa636281efca8
Version: 6a2968aaf50c7a22fced77a5e24aa636281efca8
Version: 6a2968aaf50c7a22fced77a5e24aa636281efca8
Version: 6a2968aaf50c7a22fced77a5e24aa636281efca8
Version: 6a2968aaf50c7a22fced77a5e24aa636281efca8
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No victim action is needed.\\nS:U - The uninitialized reads, out-of-bounds accesses, and state corruption are all confined to kernel memory and the NFC device state within the same security authority. No VM, IOMMU, or sandbox boundary is crossed.\\nC:H - Uninitialized/out-of-bounds heap bytes are memcpy\u0027d into `nfc_target.nfcid1`, `sensb_res`, and `sensf_res` by `nci_extract_rf_params_*()` and then exported to userspace by `nfc_genl_send_target()` as netlink attributes, a direct kernel heap information leak; `nci_core_init_rsp_packet_v1()` additionally reads up to ~270 bytes past the payload via an uninitialized `num_supported_rf_interfaces` offset.\\nI:H - `nci_core_conn_credits_ntf_packet()` writes `conn_entries[i].conn_id` back into the skb beyond the received payload and adds uninitialized credit values to connection flow control, while uninit values are stored into `ndev-\u003enci_ver`, `max_ctrl_pkt_payload_len`, `supported_rf_interfaces`, and `manufact_specific_info`, corrupting kernel state used by subsequent parsing and transmission decisions.\\nA:H - Out-of-bounds reads past the skb buffer and the corrupted length/interface counts driving further parsing can fault or oops the kernel, and the poisoned NCI device state (credit counters, `nci_ver`, packet length limits) leaves the NFC stack in an inconsistent state. Any such memory-safety error in softirq/workqueue context is a full kernel crash.\"}]}], \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6a2968aaf50c7a22fced77a5e24aa636281efca8\", \"lessThan\": \"11387b2effbb55f58dc2111ef4b4b896f2756240\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"6a2968aaf50c7a22fced77a5e24aa636281efca8\", \"lessThan\": \"03fe259649a551d336a7f20919b641ea100e3fff\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"6a2968aaf50c7a22fced77a5e24aa636281efca8\", \"lessThan\": \"755e53bbc61bc1aff90eafa64c8c2464fd3dfa3c\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"6a2968aaf50c7a22fced77a5e24aa636281efca8\", \"lessThan\": \"ac68d9fa09e410fa3ed20fb721d56aa558695e16\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"6a2968aaf50c7a22fced77a5e24aa636281efca8\", \"lessThan\": \"b51ec7fc9f877ef869c01d3ea6f18f6a64e831a7\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"6a2968aaf50c7a22fced77a5e24aa636281efca8\", \"lessThan\": \"a946ebee45b09294c8b0b0e77410b763c4d2817a\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"6a2968aaf50c7a22fced77a5e24aa636281efca8\", \"lessThan\": \"8948e30de81faee87eeee01ef42a1f6008f5a83a\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"6a2968aaf50c7a22fced77a5e24aa636281efca8\", \"lessThan\": \"d24b03535e5eb82e025219c2f632b485409c898f\", \"versionType\": \"git\"}], \"programFiles\": [\"net/nfc/nci/core.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"3.2\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"3.2\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"4.19.312\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.274\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.215\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.154\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.85\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.26\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.8.5\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.8.*\"}, {\"status\": \"unaffected\", \"version\": \"6.9\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"net/nfc/nci/core.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/11387b2effbb55f58dc2111ef4b4b896f2756240\"}, {\"url\": \"https://git.kernel.org/stable/c/03fe259649a551d336a7f20919b641ea100e3fff\"}, {\"url\": \"https://git.kernel.org/stable/c/755e53bbc61bc1aff90eafa64c8c2464fd3dfa3c\"}, {\"url\": \"https://git.kernel.org/stable/c/ac68d9fa09e410fa3ed20fb721d56aa558695e16\"}, {\"url\": \"https://git.kernel.org/stable/c/b51ec7fc9f877ef869c01d3ea6f18f6a64e831a7\"}, {\"url\": \"https://git.kernel.org/stable/c/a946ebee45b09294c8b0b0e77410b763c4d2817a\"}, {\"url\": \"https://git.kernel.org/stable/c/8948e30de81faee87eeee01ef42a1f6008f5a83a\"}, {\"url\": \"https://git.kernel.org/stable/c/d24b03535e5eb82e025219c2f632b485409c898f\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnfc: nci: Fix uninit-value in nci_dev_up and nci_ntf_packet\\n\\nsyzbot reported the following uninit-value access issue [1][2]:\\n\\nnci_rx_work() parses and processes received packet. When the payload\\nlength is zero, each message type handler reads uninitialized payload\\nand KMSAN detects this issue. The receipt of a packet with a zero-size\\npayload is considered unexpected, and therefore, such packets should be\\nsilently discarded.\\n\\nThis patch resolved this issue by checking payload size before calling\\neach message type handler codes.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.312\", \"versionStartIncluding\": \"3.2\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.274\", \"versionStartIncluding\": \"3.2\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.215\", \"versionStartIncluding\": \"3.2\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.154\", \"versionStartIncluding\": \"3.2\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.85\", \"versionStartIncluding\": \"3.2\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.26\", \"versionStartIncluding\": \"3.2\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8.5\", \"versionStartIncluding\": \"3.2\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.9\", \"versionStartIncluding\": \"3.2\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-08-05T11:30:57.434Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-35915\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-05T11:30:57.434Z\", \"dateReserved\": \"2024-05-17T13:50:33.122Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-19T08:35:08.239Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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