CVE-2026-74288 net: fib_rules: Don't dump dying fib_rule in fib_rules_dump().

🗓️ 15 Aug 2026 05:57:55Reported by GoogleType

osv

osv🔗 osv.dev👁 3 Views

Linux kernel fib_rules_dump() triggers refcount_inc warning on dying fib_rule during RCU dump.

Source	Link
git	www.git.kernel.org/stable/c/0f929b59f4cd0e05bb1ecefe12b77e85911d4be2
git	www.git.kernel.org/stable/c/1fbc6c6efe78f4454a51afa0587efb6826f60f00
git	www.git.kernel.org/stable/c/2821e85c058f81c9948a2fb1a634f7b47457d51c
git	www.git.kernel.org/stable/c/2dfdc210d240bd48bb2ea746430b02b5571b6db9
git	www.git.kernel.org/stable/c/3af0bc1bd9039e2e50abf3e2d7fee411f38bce4e
git	www.git.kernel.org/stable/c/4b7ae30c81c2ee10a644749a3704a5c797ccc308
git	www.git.kernel.org/stable/c/a7ef30753353ba6a95d693b1863a0214222a199a
git	www.git.kernel.org/stable/c/bb4a5b3c91af3c8d705bb2e9f6f8069a70db26fc
github	www.github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74288.json
nvd	www.nvd.nist.gov/vuln/detail/CVE-2026-74288

18 Aug 2026 03:56Current

5.4Medium risk

Vulners AI Score5.4

CVSS 3.17.8

Linux Kernel fib_rules RCU refcount DoS