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ipv6: sr: fix invalid unregister error path

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: fix invalid unregister error path The error path of seg6_init() is wrong in case CONFIG_IPV6_SEG6_LWTUNNEL is not defined. In that case if seg6_hmac_init() fails, the genl_unregister_family() isn't called. This issue exist since commit 46738b1317e1 ("ipv6: sr: add option to control lwtunnel support"), and commit 5559cea2d5aa ("ipv6: sr: fix possible use-after-free and null-ptr-deref") replaced unregister_pernet_subsys() with genl_unregister_family() in this error path.

Announced Group revision 1
Original source ↗

CVE-2024-38612

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-2024-38612

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": "46738b1317e169b281ad74690276916e24d1be6d",
        "lessThan": "10610575a3ac2a702bf5c57aa931beaf847949c7",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "46738b1317e169b281ad74690276916e24d1be6d",
        "lessThan": "646cd236c55e2cb5f146fc41bbe4034c4af5b2a4",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "46738b1317e169b281ad74690276916e24d1be6d",
        "lessThan": "00e6335329f23ac6cf3105931691674e28bc598c",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "46738b1317e169b281ad74690276916e24d1be6d",
        "lessThan": "1a63730fb315bb1bab97edd69ff58ad45e04bb01",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "46738b1317e169b281ad74690276916e24d1be6d",
        "lessThan": "e77a3ec7ada84543e75722a1283785a6544de925",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "46738b1317e169b281ad74690276916e24d1be6d",
        "lessThan": "3398a40dccb88d3a7eef378247a023a78472db66",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "46738b1317e169b281ad74690276916e24d1be6d",
        "lessThan": "85a70ff1e572160f1eeb096ed48d09a1c9d4d89a",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "46738b1317e169b281ad74690276916e24d1be6d",
        "lessThan": "c04d6a914e890ccea4a9d11233009a2ee7978bf4",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "46738b1317e169b281ad74690276916e24d1be6d",
        "lessThan": "160e9d2752181fcf18c662e74022d77d3164cd45",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "net/ipv6/seg6.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "4.10"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "4.10",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "4.19.316",
        "versionType": "semver",
        "lessThanOrEqual": "4.19.*"
      },
      {
        "status": "unaffected",
        "version": "5.4.278",
        "versionType": "semver",
        "lessThanOrEqual": "5.4.*"
      },
      {
        "status": "unaffected",
        "version": "5.10.219",
        "versionType": "semver",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.161",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.93",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.33",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.8.12",
        "versionType": "semver",
        "lessThanOrEqual": "6.8.*"
      },
      {
        "status": "unaffected",
        "version": "6.9.3",
        "versionType": "semver",
        "lessThanOrEqual": "6.9.*"
      },
      {
        "status": "unaffected",
        "version": "6.10",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "net/ipv6/seg6.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2024-38612

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#26618 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement

Revision history

  1. CVE-2024-38612 · Revision 1Source updated