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CVE-2026-74289 ipv4: fib: Don't dump dying fib_info in fib_leaf_notify().

🗓️ 15 Aug 2026 05:57:56Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 42 Views

Linux kernel fib_leaf_notify() dumps dying fib_info under RCU causing refcount use-after-free.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-74289
15 Aug 202607:01
–circl
cve
CVE
CVE-2026-74289
15 Aug 202605:57
–cve
debian
Debian
[SECURITY] [DSA 6528-1] linux security update
29 Sep 202609:49
–debian
debiancve
Debian CVE
CVE-2026-74289
15 Aug 202605:57
–debiancve
nessus
Tenable Nessus
Debian dsa-6528 : ata-modules-6.12.111+deb13-armmp-di - security update
29 Sep 202600:00
–nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-74289
15 Aug 202600:00
–nessus
euvd
EUVD
EUVD-2026-59436
15 Aug 202605:57
–euvd
mscve
Microsoft CVE
ipv4: fib: Don't dump dying fib_info in fib_leaf_notify().
23 Aug 202621:55
–mscve
nvd
NVD
CVE-2026-74289
15 Aug 202606:22
–nvd
osv
OSV
AZL-96351 CVE-2026-74289 affecting package kernel 6.6.157.1-1
15 Aug 202606:22
–osv
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/net/ip_fib.h",
      "net/ipv4/fib_trie.c"
    ],
    "versions": [
      {
        "version": "c3852ef7f2f8f75a9f85a864bec1f6f5a3068eea",
        "lessThan": "7980a13add57f97c5da1dc961d0145a6ad2a7f98",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c3852ef7f2f8f75a9f85a864bec1f6f5a3068eea",
        "lessThan": "bea03e887db5a8a79234531faf14cf2c4d8816c3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c3852ef7f2f8f75a9f85a864bec1f6f5a3068eea",
        "lessThan": "676482da8d938ea72c26da0fc86af2d2ec238ab2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c3852ef7f2f8f75a9f85a864bec1f6f5a3068eea",
        "lessThan": "06b693d2eb6651a63ad85bad8673de3b7d4edd6d",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/net/ip_fib.h",
      "net/ipv4/fib_trie.c"
    ],
    "versions": [
      {
        "version": "4.10",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.10",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.111",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.53",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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21 Sep 2026 13:14Current
CVSS 3.17.8
EPSS0.0017
42