Vulnerability details
CVE-2026-74288
Linux Linux
net: fib_rules: Don't dump dying fib_rule in fib_rules_dump().
CVSS 3.1
7.8High
Official 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 scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.8High | 3.1 | CVEProject cvelistV5 (CNA) (Linux) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Linux | Linux | 4.12 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 5d7bfd141924a5ece21eb612ad3c56612f041c1e ≤ v < 4b7ae30c81c2ee10a644749a3704a5c797ccc308 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 5d7bfd141924a5ece21eb612ad3c56612f041c1e ≤ v < 2dfdc210d240bd48bb2ea746430b02b5571b6db9 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 5d7bfd141924a5ece21eb612ad3c56612f041c1e ≤ v < a7ef30753353ba6a95d693b1863a0214222a199a | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 5d7bfd141924a5ece21eb612ad3c56612f041c1e ≤ v < 0f929b59f4cd0e05bb1ecefe12b77e85911d4be2 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 5d7bfd141924a5ece21eb612ad3c56612f041c1e ≤ v < bb4a5b3c91af3c8d705bb2e9f6f8069a70db26fc | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 5d7bfd141924a5ece21eb612ad3c56612f041c1e ≤ v < 3af0bc1bd9039e2e50abf3e2d7fee411f38bce4e | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 5d7bfd141924a5ece21eb612ad3c56612f041c1e ≤ v < 2821e85c058f81c9948a2fb1a634f7b47457d51c | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 5d7bfd141924a5ece21eb612ad3c56612f041c1e ≤ v < 1fbc6c6efe78f4454a51afa0587efb6826f60f00 | CVEProject cvelistV5 (CNA) |
References and advisories
8- https://git.kernel.org/stable/c/0f929b59f4cd0e05bb1ecefe12b77e85911d4be2
- https://git.kernel.org/stable/c/4b7ae30c81c2ee10a644749a3704a5c797ccc308
- https://git.kernel.org/stable/c/2dfdc210d240bd48bb2ea746430b02b5571b6db9
- https://git.kernel.org/stable/c/a7ef30753353ba6a95d693b1863a0214222a199a
- https://git.kernel.org/stable/c/1fbc6c6efe78f4454a51afa0587efb6826f60f00
- https://git.kernel.org/stable/c/bb4a5b3c91af3c8d705bb2e9f6f8069a70db26fc
- https://git.kernel.org/stable/c/3af0bc1bd9039e2e50abf3e2d7fee411f38bce4e
- https://git.kernel.org/stable/c/2821e85c058f81c9948a2fb1a634f7b47457d51c
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Details
- Published
- 2026-08-15
- Last updated
- 2026-10-16
- State
- Published
- Assigner (CNA)
- Linux
Exploit prediction (EPSS)
0.12%
Probability of exploitation in 30 days
2.5%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- —