CVE-2026-74288net: fib_rules: Don't dump dying fib_rule in fib_rules_dump().
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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In the Linux kernel, the following vulnerability has been resolved: net: fib_rules: Don't dump dying fib_rule in fib_rules_dump(). rocker_router_fib_event() calls fib_rule_get() during RCU dump. If the fib_rule is dying, refcount_inc() will complain about it. Let's call refcount_inc_not_zero() in fib_rules_dump().
- CVSS
- 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Oct 16, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | 5d7bfd141924a5ece21eb612ad3c56612f041c1e builds before 0f929b59f4cd0e05bb1ecefe12b77e85911d4be2; 5d7bfd141924a5ece21eb612ad3c56612f041c1e builds before 4b7ae30c81c2ee10a644749a3704a5c797ccc308; 5d7bfd141924a5ece21eb612ad3c56612f041c1e builds before 2dfdc210d240bd48bb2ea746430b02b5571b6db9; from 5d7bfd141924a5ece21eb612ad3c56612f041c1e before a7ef30753353ba6a95d693b1863a0214222a199a; 5d7bfd141924a5ece21eb612ad3c56612f041c1e builds before 1fbc6c6efe78f4454a51afa0587efb6826f60f00; from 5d7bfd141924a5ece21eb612ad3c56612f041c1e before bb4a5b3c91af3c8d705bb2e9f6f8069a70db26fc; 5d7bfd141924a5ece21eb612ad3c56612f041c1e builds before 3af0bc1bd9039e2e50abf3e2d7fee411f38bce4e; from 5d7bfd141924a5ece21eb612ad3c56612f041c1e before 2821e85c058f81c9948a2fb1a634f7b47457d51c | CNA record |
References
- https://git.kernel.org/stable/c/0f929b59f4cd0e05bb1ecefe12b77e85911d4be2
- https://git.kernel.org/stable/c/4b7ae30c81c2ee10a644749a3704a5c797ccc308
- https://git.kernel.org/stable/c/2dfdc210d240bd48bb2ea746430b02b5571b6db9
- https://git.kernel.org/stable/c/a7ef30753353ba6a95d693b1863a0214222a199a
- https://git.kernel.org/stable/c/1fbc6c6efe78f4454a51afa0587efb6826f60f00
- https://git.kernel.org/stable/c/bb4a5b3c91af3c8d705bb2e9f6f8069a70db26fc
- https://git.kernel.org/stable/c/3af0bc1bd9039e2e50abf3e2d7fee411f38bce4e
- https://git.kernel.org/stable/c/2821e85c058f81c9948a2fb1a634f7b47457d51c
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.