cve/published/2024/CVE-2024-50169.json

{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvsock: Update rx_bytes on read_skb()\n\nMake sure virtio_transport_inc_rx_pkt() and virtio_transport_dec_rx_pkt()\ncalls are balanced (i.e. virtio_vsock_sock::rx_bytes doesn't lie) after\nvsock_transport::read_skb().\n\nWhile here, also inform the peer that we've freed up space and it has more\ncredit.\n\nFailing to update rx_bytes after packet is dequeued leads to a warning on\nSOCK_STREAM recv():\n\n[  233.396654] rx_queue is empty, but rx_bytes is non-zero\n[  233.396702] WARNING: CPU: 11 PID: 40601 at net/vmw_vsock/virtio_transport_common.c:589"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/vmw_vsock/virtio_transport_common.c"
               ],
               "versions": [
                  {
                     "version": "634f1a7110b439c65fd8a809171c1d2d28bcea6f",
                     "lessThan": "66cd51de31c682a311c2fa25c580b7ea45859dd9",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "634f1a7110b439c65fd8a809171c1d2d28bcea6f",
                     "lessThan": "e5ca2b98090b4bb1c393088c724af6c37812a829",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "634f1a7110b439c65fd8a809171c1d2d28bcea6f",
                     "lessThan": "3543152f2d330141d9394d28855cb90b860091d2",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/vmw_vsock/virtio_transport_common.c"
               ],
               "versions": [
                  {
                     "version": "6.4",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "6.4",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.6.59",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.11.6",
                     "lessThanOrEqual": "6.11.*",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.12",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "cpeApplicability": [
            {
               "nodes": [
                  {
                     "operator": "OR",
                     "negate": false,
                     "cpeMatch": [
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "6.4",
                           "versionEndExcluding": "6.6.59"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "6.4",
                           "versionEndExcluding": "6.11.6"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "6.4",
                           "versionEndExcluding": "6.12"
                        }
                     ]
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/66cd51de31c682a311c2fa25c580b7ea45859dd9"
            },
            {
               "url": "https://git.kernel.org/stable/c/e5ca2b98090b4bb1c393088c724af6c37812a829"
            },
            {
               "url": "https://git.kernel.org/stable/c/3543152f2d330141d9394d28855cb90b860091d2"
            }
         ],
         "title": "vsock: Update rx_bytes on read_skb()",
         "x_generator": {
            "engine": "bippy-1.2.0"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-50169",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}