{"id":"CVE-2026-74288","title":"net: fib_rules: Don't dump dying fib_rule in fib_rules_dump().","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: fib_rules: Don't dump dying fib_rule in fib_rules_dump().\n\nrocker_router_fib_event() calls fib_rule_get() during RCU dump.\n\nIf the fib_rule is dying, refcount_inc(…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","vendor":"Linux","product":"Linux","affected":["Linux >= 5d7bfd141924a5ece21eb612ad3c56612f041c1e < 0f929b59f4cd0e05bb1ecefe12b77e85911d4be2","Linux >= 5d7bfd141924a5ece21eb612ad3c56612f041c1e < 4b7ae30c81c2ee10a644749a3704a5c797ccc308","Linux >= 5d7bfd141924a5ece21eb612ad3c56612f041c1e < 2dfdc210d240bd48bb2ea746430b02b5571b6db9","Linux >= 5d7bfd141924a5ece21eb612ad3c56612f041c1e < a7ef30753353ba6a95d693b1863a0214222a199a","Linux >= 5d7bfd141924a5ece21eb612ad3c56612f041c1e < 1fbc6c6efe78f4454a51afa0587efb6826f60f00","Linux >= 5d7bfd141924a5ece21eb612ad3c56612f041c1e < bb4a5b3c91af3c8d705bb2e9f6f8069a70db26fc","Linux >= 5d7bfd141924a5ece21eb612ad3c56612f041c1e < 3af0bc1bd9039e2e50abf3e2d7fee411f38bce4e","Linux >= 5d7bfd141924a5ece21eb612ad3c56612f041c1e < 2821e85c058f81c9948a2fb1a634f7b47457d51c","Linux 4.12"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-16T18:52:15.422794Z"},"published":"2026-08-15","updated":"2026-10-16","sourceUpdated":"2026-10-16T18:55:30.358Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-74288","references":[{"url":"https://git.kernel.org/stable/c/0f929b59f4cd0e05bb1ecefe12b77e85911d4be2"},{"url":"https://git.kernel.org/stable/c/4b7ae30c81c2ee10a644749a3704a5c797ccc308"},{"url":"https://git.kernel.org/stable/c/2dfdc210d240bd48bb2ea746430b02b5571b6db9"},{"url":"https://git.kernel.org/stable/c/a7ef30753353ba6a95d693b1863a0214222a199a"},{"url":"https://git.kernel.org/stable/c/1fbc6c6efe78f4454a51afa0587efb6826f60f00"},{"url":"https://git.kernel.org/stable/c/bb4a5b3c91af3c8d705bb2e9f6f8069a70db26fc"},{"url":"https://git.kernel.org/stable/c/3af0bc1bd9039e2e50abf3e2d7fee411f38bce4e"},{"url":"https://git.kernel.org/stable/c/2821e85c058f81c9948a2fb1a634f7b47457d51c"}],"tags":["cve.org"],"epss":0.00176,"epssPercentile":0.06639,"ingestedAt":"2026-10-16T19:46:24.384Z","slug":"CVE-2026-74288","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnet: fib_rules: Don't dump dying fib_rule in fib_rules_dump().\n\nrocker_router_fib_event() calls fib_rule_get() during RCU dump.\n\nIf the fib_rule is dying, refcount_inc() will complain about it.\n\nLet's call refcount_inc_not_zero() in fib_rules_dump().\n\n## Affected\n\n- `Linux >= 5d7bfd141924a5ece21eb612ad3c56612f041c1e < 0f929b59f4cd0e05bb1ecefe12b77e85911d4be2`\n- `Linux >= 5d7bfd141924a5ece21eb612ad3c56612f041c1e < 4b7ae30c81c2ee10a644749a3704a5c797ccc308`\n- `Linux >= 5d7bfd141924a5ece21eb612ad3c56612f041c1e < 2dfdc210d240bd48bb2ea746430b02b5571b6db9`\n- `Linux >= 5d7bfd141924a5ece21eb612ad3c56612f041c1e < a7ef30753353ba6a95d693b1863a0214222a199a`\n- `Linux >= 5d7bfd141924a5ece21eb612ad3c56612f041c1e < 1fbc6c6efe78f4454a51afa0587efb6826f60f00`\n- `Linux >= 5d7bfd141924a5ece21eb612ad3c56612f041c1e < bb4a5b3c91af3c8d705bb2e9f6f8069a70db26fc`\n- `Linux >= 5d7bfd141924a5ece21eb612ad3c56612f041c1e < 3af0bc1bd9039e2e50abf3e2d7fee411f38bce4e`\n- `Linux >= 5d7bfd141924a5ece21eb612ad3c56612f041c1e < 2821e85c058f81c9948a2fb1a634f7b47457d51c`\n- `Linux 4.12`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}