CVE-2025-37955 (GCVE-0-2025-37955)
Vulnerability from cvelistv5
Published
2025-05-20 16:01
Modified
2025-05-26 05:24
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: virtio-net: free xsk_buffs on error in virtnet_xsk_pool_enable() The selftests added to our CI by Bui Quang Minh recently reveals that there is a mem leak on the error path of virtnet_xsk_pool_enable(): unreferenced object 0xffff88800a68a000 (size 2048): comm "xdp_helper", pid 318, jiffies 4294692778 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc 0): __kvmalloc_node_noprof+0x402/0x570 virtnet_xsk_pool_enable+0x293/0x6a0 (drivers/net/virtio_net.c:5882) xp_assign_dev+0x369/0x670 (net/xdp/xsk_buff_pool.c:226) xsk_bind+0x6a5/0x1ae0 __sys_bind+0x15e/0x230 __x64_sys_bind+0x72/0xb0 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f
References
Impacted products
Vendor Product Version
Linux Linux Version: e9f3962441c0a4d6f16c656e6c8aa02a3ccdd568
Version: e9f3962441c0a4d6f16c656e6c8aa02a3ccdd568
Version: e9f3962441c0a4d6f16c656e6c8aa02a3ccdd568
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/virtio_net.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "94a6f6c204abb2b2dcd2ce287536cc924469cfb5",
              "status": "affected",
              "version": "e9f3962441c0a4d6f16c656e6c8aa02a3ccdd568",
              "versionType": "git"
            },
            {
              "lessThan": "ba6917810bb4a5a32661fa941717399052b3f0d9",
              "status": "affected",
              "version": "e9f3962441c0a4d6f16c656e6c8aa02a3ccdd568",
              "versionType": "git"
            },
            {
              "lessThan": "4397684a292a71fbc1e815c3e283f7490ddce5ae",
              "status": "affected",
              "version": "e9f3962441c0a4d6f16c656e6c8aa02a3ccdd568",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/virtio_net.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.11"
            },
            {
              "lessThan": "6.11",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.29",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.14.*",
              "status": "unaffected",
              "version": "6.14.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.15",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.29",
                  "versionStartIncluding": "6.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.14.7",
                  "versionStartIncluding": "6.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.15",
                  "versionStartIncluding": "6.11",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvirtio-net: free xsk_buffs on error in virtnet_xsk_pool_enable()\n\nThe selftests added to our CI by Bui Quang Minh recently reveals\nthat there is a mem leak on the error path of virtnet_xsk_pool_enable():\n\nunreferenced object 0xffff88800a68a000 (size 2048):\n  comm \"xdp_helper\", pid 318, jiffies 4294692778\n  hex dump (first 32 bytes):\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n  backtrace (crc 0):\n    __kvmalloc_node_noprof+0x402/0x570\n    virtnet_xsk_pool_enable+0x293/0x6a0 (drivers/net/virtio_net.c:5882)\n    xp_assign_dev+0x369/0x670 (net/xdp/xsk_buff_pool.c:226)\n    xsk_bind+0x6a5/0x1ae0\n    __sys_bind+0x15e/0x230\n    __x64_sys_bind+0x72/0xb0\n    do_syscall_64+0xc1/0x1d0\n    entry_SYSCALL_64_after_hwframe+0x77/0x7f"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-26T05:24:29.422Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/94a6f6c204abb2b2dcd2ce287536cc924469cfb5"
        },
        {
          "url": "https://git.kernel.org/stable/c/ba6917810bb4a5a32661fa941717399052b3f0d9"
        },
        {
          "url": "https://git.kernel.org/stable/c/4397684a292a71fbc1e815c3e283f7490ddce5ae"
        }
      ],
      "title": "virtio-net: free xsk_buffs on error in virtnet_xsk_pool_enable()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-37955",
    "datePublished": "2025-05-20T16:01:49.209Z",
    "dateReserved": "2025-04-16T04:51:23.973Z",
    "dateUpdated": "2025-05-26T05:24:29.422Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}


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