Vulnerability 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().
CVSS Score
HIGH
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
FAQ
What is CVE-2026-74288?
CVE-2026-74288 is a vulnerability with a CVSS score of 7.8 (HIGH). 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...
How severe is CVE-2026-74288?
CVE-2026-74288 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-74288?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.