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CVE-2024-56703 ipv6: Fix soft lockups in fib6_select_path under high next hop churn

🗓️ 28 Dec 2024 09:46:24Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 14 Views

Fixed soft lockups in Linux IPv6 routing under high next hop changes using RCU primitives.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv6/ip6_fib.c",
      "net/ipv6/route.c",
      "tools/testing/selftests/net/Makefile",
      "tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh"
    ],
    "versions": [
      {
        "version": "66f5d6ce53e665477d2a33e8f539d4fa4ca81c83",
        "lessThan": "d0ec61c9f3583b76aebdbb271f5c0d3fcccd48b2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "66f5d6ce53e665477d2a33e8f539d4fa4ca81c83",
        "lessThan": "52da02521ede55fb86546c3fffd9377b3261b91f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "66f5d6ce53e665477d2a33e8f539d4fa4ca81c83",
        "lessThan": "11edcd026012ac18acee0f1514db3ed1b160fc6f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "66f5d6ce53e665477d2a33e8f539d4fa4ca81c83",
        "lessThan": "34a949e7a0869dfa31a40416d2a56973fae1807b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "66f5d6ce53e665477d2a33e8f539d4fa4ca81c83",
        "lessThan": "d9ccb18f83ea2bb654289b6ecf014fd267cc988b",
        "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/ipv6/ip6_fib.c",
      "net/ipv6/route.c",
      "tools/testing/selftests/net/Makefile",
      "tools/testing/selftests/net/ipv6_route_update_soft_lockup.sh"
    ],
    "versions": [
      {
        "version": "4.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.128",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.75",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.11.11",
        "lessThanOrEqual": "6.11.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.2",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.13",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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