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ipv6: Fix potential uninit-value access in __ip6_make_skb()

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix potential uninit-value access in __ip6_make_skb() As it was done in commit fc1092f51567 ("ipv4: Fix uninit-value access in __ip_make_skb()") for IPv4, check FLOWI_FLAG_KNOWN_NH on fl6->flowi6_flags instead of testing HDRINCL on the socket to avoid a race condition which causes uninit-value access.

Announced Group revision 1
Original source ↗

CVE-2024-36903

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-2024-36903

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": "605b056d63302ae84eb136e88d4df49124bd5e0d",
        "lessThan": "59d74c843ebf46264c7903726cf6f2673a93b07a",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "d65ff2fe877c471aa6e79efa7bd8ff66e147c317",
        "lessThan": "40e5444a3ac315b60e94d82226b73cd82145d09e",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "2c9cefc142c1dc2759e19a92d3b2b3715e985beb",
        "lessThan": "a05c1ede50e9656f0752e523c7b54f3a3489e9a8",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "ea30388baebcce37fd594d425a65037ca35e59e8",
        "lessThan": "68c8ba16ab712eb709c6bab80ff151079d11d97a",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "ea30388baebcce37fd594d425a65037ca35e59e8",
        "lessThan": "2367bf254f3a27ecc6e229afd7a8b0a1395f7be3",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "ea30388baebcce37fd594d425a65037ca35e59e8",
        "lessThan": "4e13d3a9c25b7080f8a619f961e943fe08c2672c",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "165370522cc48127da564a08584a7391e6341908",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "f394f690a30a5ec0413c62777a058eaf3d6e10d5",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "0cf600ca1bdf1d52df977516ee6cee0cadb1f6b1",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "02ed5700f40445af02d1c97db25ffc2d04971d9f",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5.10.178",
        "lessThan": "5.10.248",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "5.15.107",
        "lessThan": "5.15.198",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "6.1.24",
        "lessThan": "6.1.140",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "4.14.313",
        "lessThan": "4.15",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "4.19.281",
        "lessThan": "4.20",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "5.4.241",
        "lessThan": "5.5",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "6.2.11",
        "lessThan": "6.3",
        "versionType": "semver"
      }
    ],
    "programFiles": [
      "net/ipv6/ip6_output.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "6.3"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "6.3",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "5.10.248",
        "versionType": "semver",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.198",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.140",
        "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/ipv6/ip6_output.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2024-36903

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#26587 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement

Revision history

  1. CVE-2024-36903 · Revision 1Source updated