CVE-2026-74288
net: fib_rules: Don't dump dying fib_rule in fib_rules_dump().
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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().
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Aug 15, 2026 |
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Affected Versions
Linux / Linux
5d7bfd141924a5ece21eb612ad3c56612f041c1e < 0f929b59f4cd0e05bb1ecefe12b77e85911d4be2 5d7bfd141924a5ece21eb612ad3c56612f041c1e < 4b7ae30c81c2ee10a644749a3704a5c797ccc308 5d7bfd141924a5ece21eb612ad3c56612f041c1e < 2dfdc210d240bd48bb2ea746430b02b5571b6db9 5d7bfd141924a5ece21eb612ad3c56612f041c1e < a7ef30753353ba6a95d693b1863a0214222a199a 5d7bfd141924a5ece21eb612ad3c56612f041c1e < 1fbc6c6efe78f4454a51afa0587efb6826f60f00 5d7bfd141924a5ece21eb612ad3c56612f041c1e < bb4a5b3c91af3c8d705bb2e9f6f8069a70db26fc 5d7bfd141924a5ece21eb612ad3c56612f041c1e < 3af0bc1bd9039e2e50abf3e2d7fee411f38bce4e 5d7bfd141924a5ece21eb612ad3c56612f041c1e < 2821e85c058f81c9948a2fb1a634f7b47457d51c
Linux / Linux
4.12
References
git.kernel.org: https://git.kernel.org/stable/c/0f929b59f4cd0e05bb1ecefe12b77e85911d4be2 git.kernel.org: https://git.kernel.org/stable/c/4b7ae30c81c2ee10a644749a3704a5c797ccc308 git.kernel.org: https://git.kernel.org/stable/c/2dfdc210d240bd48bb2ea746430b02b5571b6db9 git.kernel.org: https://git.kernel.org/stable/c/a7ef30753353ba6a95d693b1863a0214222a199a git.kernel.org: https://git.kernel.org/stable/c/1fbc6c6efe78f4454a51afa0587efb6826f60f00 git.kernel.org: https://git.kernel.org/stable/c/bb4a5b3c91af3c8d705bb2e9f6f8069a70db26fc git.kernel.org: https://git.kernel.org/stable/c/3af0bc1bd9039e2e50abf3e2d7fee411f38bce4e git.kernel.org: https://git.kernel.org/stable/c/2821e85c058f81c9948a2fb1a634f7b47457d51c