7.8

CVE-2026-74288: linux

CVSS: 7.8v3.1HighReceived
AliasesUBUNTU-CVE-2026-74288DEBIAN-CVE-2026-74288
Published 15-08-2026Last modified 16-10-2026

Vulnerability summary

CVE-2026-74288 is a high (CVSS 7.8) vulnerability in linux. EPSS estimates a 0.13% chance of exploitation in the next 30 days, higher than 2.3% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.13%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 25 · Related 25

Timeline

  1. 15-08-2026
    PublishedVulnerability first disclosed.
  2. 16-10-2026
    Last modifiedVulnerability information updated.

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 metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.13%

Chance of exploitation in the next 30 days

Percentile

2%

Versus all other CVEs

30-day change

0.00 pp

From 0.13% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.13%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu168 products
  • linuxAll versions (No fix recorded) | < 5.15.0-198.208 | < 6.8.0-147.147 | < 7.0.0-38.38
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1117.124 | < 6.8.0-1067.70 | < 7.0.0-1014.14
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.1.180-1 | < 6.12.100-1 | < 7.1.5-1
Linux1 product
  • linux≥ 5d7bfd141924a5ece21eb612ad3c56612f041c1e, < 0f929b59f4cd0e05bb1ecefe12b77e85911d4be2 | ≥ 5d7bfd141924a5ece21eb612ad3c56612f041c1e, < 4b7ae30c81c2ee10a644749a3704a5c797ccc308 | ≥ 5d7bfd141924a5ece21eb612ad3c56612f041c1e, < 2dfdc210d240bd48bb2ea746430b02b5571b6db9 | ≥ 5d7bfd141924a5ece21eb612ad3c56612f041c1e, < a7ef30753353ba6a95d693b1863a0214222a199a | ≥ 5d7bfd141924a5ece21eb612ad3c56612f041c1e, < 1fbc6c6efe78f4454a51afa0587efb6826f60f00 | ≥ 5d7bfd141924a5ece21eb612ad3c56612f041c1e, < bb4a5b3c91af3c8d705bb2e9f6f8069a70db26fc | ≥ 5d7bfd141924a5ece21eb612ad3c56612f041c1e, < 3af0bc1bd9039e2e50abf3e2d7fee411f38bce4e | ≥ 5d7bfd141924a5ece21eb612ad3c56612f041c1e, < 2821e85c058f81c9948a2fb1a634f7b47457d51c | 4.12

3 vendors · 170 products

References

27 links
Show all 27 references