CVE-2026-74288
High
Description
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().
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux
PublishedAug 15, 2026
First seenAug 15, 2026
How to fix
Update
- Linux Linux0f929b59f4cd0e05bb1ecefe12b77e85911d4be2, 4b7ae30c81c2ee10a644749a3704a5c797ccc308, 2dfdc210d240bd48bb2ea746430b02b5571b6db9, a7ef30753353ba6a95d693b1863a0214222a199a, 1fbc6c6efe78f4454a51afa0587efb6826f60f00, bb4a5b3c91af3c8d705bb2e9f6f8069a70db26fc, 3af0bc1bd9039e2e50abf3e2d7fee411f38bce4e, 2821e85c058f81c9948a2fb1a634f7b47457d51c or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 5d7bfd141924a5ece21eb612ad3c56612f041c1e ≤ v < 0f929b59f4cd0e05bb1ecefe12b77e85911d4be2, 5d7bfd141924a5ece21eb612ad3c56612f041c1e ≤ v < 4b7ae30c81c2ee10a644749a3704a5c797ccc308, 5d7bfd141924a5ece21eb612ad3c56612f041c1e ≤ v < 2dfdc210d240bd48bb2ea746430b02b5571b6db9, 5d7bfd141924a5ece21eb612ad3c56612f041c1e ≤ v < a7ef30753353ba6a95d693b1863a0214222a199a, 5d7bfd141924a5ece21eb612ad3c56612f041c1e ≤ v < 1fbc6c6efe78f4454a51afa0587efb6826f60f00, 5d7bfd141924a5ece21eb612ad3c56612f041c1e ≤ v < bb4a5b3c91af3c8d705bb2e9f6f8069a70db26fc, 5d7bfd141924a5ece21eb612ad3c56612f041c1e ≤ v < 3af0bc1bd9039e2e50abf3e2d7fee411f38bce4e, 5d7bfd141924a5ece21eb612ad3c56612f041c1e ≤ v < 2821e85c058f81c9948a2fb1a634f7b47457d51c, 4.12 | 0f929b59f4cd0e05bb1ecefe12b77e85911d4be2, 4b7ae30c81c2ee10a644749a3704a5c797ccc308, 2dfdc210d240bd48bb2ea746430b02b5571b6db9, a7ef30753353ba6a95d693b1863a0214222a199a, 1fbc6c6efe78f4454a51afa0587efb6826f60f00, bb4a5b3c91af3c8d705bb2e9f6f8069a70db26fc, 3af0bc1bd9039e2e50abf3e2d7fee411f38bce4e, 2821e85c058f81c9948a2fb1a634f7b47457d51c |
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