9.8

CVE-2026-74662: linux

CVSS: 9.8v3.1CriticalReceived
AliasesUBUNTU-CVE-2026-74662DEBIAN-CVE-2026-74662
Published 22-08-2026Last modified 16-10-2026
Open JSON

Vulnerability summary

CVE-2026-74662 is a critical (CVSS 9.8) vulnerability in linux. EPSS estimates a 0.51% chance of exploitation in the next 30 days, higher than 42.5% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.51%
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 3 · Related 2
MGASA-2026-0506OPENSUSE-SU-2026:22091-1USN-8886-1

Timeline

  1. 22-08-2026
    PublishedVulnerability first disclosed.
  2. 16-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: inet: frags: publish queues before arming timer inet_frag_create() arms the fragment queue timer before inserting the queue into the fqdir rhashtable. If the namespace fragment timeout is zero or negative, the timer can run before the queue is published. The timer callback then marks the queue complete, tries to remove a node that is not in the hash table yet, and drops the anticipated hash reference. Creation can subsequently publish the completed queue without restoring that reference, leaving a stale hash node after the caller drops the remaining reference. Publish the queue first and arm the timer while holding the queue lock. This makes timer expiry wait until the queue is visible in the hash table, so inet_frag_kill() can remove the node and balance the hash reference.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.51%

Chance of exploitation in the next 30 days

Percentile

43%

Versus all other CVEs

30-day change

0.00 pp

From 0.51% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.51%

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

Ubuntu169 products
  • linuxAll versions (No fix recorded)
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian2 products
  • linux< 6.1.187-1 | < 6.12.107-1 | < 7.1.9-1
  • linux-6.12< 6.12.107-1~deb12u1
Linux1 product
  • linux≥ 648700f76b03b7e8149d13cc2bdb3355035258a9, < f4e4dab62181b7fe7c011bed6fbef9fc3d48c769 | ≥ 648700f76b03b7e8149d13cc2bdb3355035258a9, < 4ed0681dc2c1e0538b79d2fc56190ffcb369dacd | ≥ 648700f76b03b7e8149d13cc2bdb3355035258a9, < 08a04d7bfb9c103432561aff8a62b6872e694a6a | ≥ 648700f76b03b7e8149d13cc2bdb3355035258a9, < d3ffb89b2944672cf7bdd8e9ee577d2043b4a956 | ≥ 648700f76b03b7e8149d13cc2bdb3355035258a9, < 39c6c4b267b65f00e0b0335a2ae00cbe9e3174f0 | ≥ 648700f76b03b7e8149d13cc2bdb3355035258a9, < 9f904dd3e455750e5d4ec9b2f134835811b85a2f | ≥ 648700f76b03b7e8149d13cc2bdb3355035258a9, < 928128865e43b197e30688dc1bc991592c97edcf | ≥ 648700f76b03b7e8149d13cc2bdb3355035258a9, < 653d7ddf6cba867777a3d14c4f83ace008c5ad13 | 493107105843f299662b3b664a83804645564f12 | ≥ 4.4.174, < 4.5 | 4.17

3 vendors · 172 products

References

13 links
Show all 13 references