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rtnetlink: Correct nested IFLA_VF_VLAN_LIST attribute validation

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: rtnetlink: Correct nested IFLA_VF_VLAN_LIST attribute validation Each attribute inside a nested IFLA_VF_VLAN_LIST is assumed to be a struct ifla_vf_vlan_info so the size of such attribute needs to be at least of sizeof(struct ifla_vf_vlan_info) which is 14 bytes. The current size validation in do_setvfinfo is against NLA_HDRLEN (4 bytes) which is less than sizeof(struct ifla_vf_vlan_info) so this validation is not enough and a too small attribute might be cast to a struct ifla_vf_vlan_info, this might result in an out of bands read access when accessing the saved (casted) entry in ivvl.

Announced Group revision 1
Original source ↗

CVE-2024-36017

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2024-36017

Linux

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Linux

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "79aab093a0b5370d7fc4e99df75996f4744dc03f",
        "lessThan": "8ac69ff2d0d5be9734c4402de932aa3dc8549c1a",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "79aab093a0b5370d7fc4e99df75996f4744dc03f",
        "lessThan": "5e7ef2d88666a0212db8c38e6703864b9ce70169",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "79aab093a0b5370d7fc4e99df75996f4744dc03f",
        "lessThan": "6c8f44b02500c7d14b5e6618fe4ef9a0da47b3de",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "79aab093a0b5370d7fc4e99df75996f4744dc03f",
        "lessThan": "f3c1bf3054f96ddeab0621d920445bada769b40e",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "79aab093a0b5370d7fc4e99df75996f4744dc03f",
        "lessThan": "6e4c7193954f4faab92f6e8d88bc5565317b44e7",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "79aab093a0b5370d7fc4e99df75996f4744dc03f",
        "lessThan": "206003c748b88890a910ef7142d18f77be57550b",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "79aab093a0b5370d7fc4e99df75996f4744dc03f",
        "lessThan": "4a4b9757789a1551d2df130df23bfb3545bfa7e8",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "79aab093a0b5370d7fc4e99df75996f4744dc03f",
        "lessThan": "1aec77b2bb2ed1db0f5efc61c4c1ca3813307489",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "net/core/rtnetlink.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "4.9"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "4.9",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "4.19.314",
        "versionType": "semver",
        "lessThanOrEqual": "4.19.*"
      },
      {
        "status": "unaffected",
        "version": "5.4.276",
        "versionType": "semver",
        "lessThanOrEqual": "5.4.*"
      },
      {
        "status": "unaffected",
        "version": "5.10.217",
        "versionType": "semver",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.159",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.91",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.31",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.8.10",
        "versionType": "semver",
        "lessThanOrEqual": "6.8.*"
      },
      {
        "status": "unaffected",
        "version": "6.9",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "net/core/rtnetlink.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2024-36017

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#26576 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement

Revision history

  1. CVE-2024-36017 · Revision 1Source updated