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CVE-2026-74288NVD
Vulnerability Summary
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().
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 v3.1 Base Metrics
Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
External References
- https://git.kernel.org/stable/c/0f929b59f4cd0e05bb1ecefe12b77e85911d4be2
- https://git.kernel.org/stable/c/1fbc6c6efe78f4454a51afa0587efb6826f60f00
- https://git.kernel.org/stable/c/2821e85c058f81c9948a2fb1a634f7b47457d51c
- https://git.kernel.org/stable/c/2dfdc210d240bd48bb2ea746430b02b5571b6db9
- https://git.kernel.org/stable/c/3af0bc1bd9039e2e50abf3e2d7fee411f38bce4e
- https://git.kernel.org/stable/c/4b7ae30c81c2ee10a644749a3704a5c797ccc308
- https://git.kernel.org/stable/c/a7ef30753353ba6a95d693b1863a0214222a199a
- https://git.kernel.org/stable/c/bb4a5b3c91af3c8d705bb2e9f6f8069a70db26fc