9.8

CVE-2026-74428: linux

CVSS: 9.8v3.1CriticalReceived
AliasesUBUNTU-CVE-2026-74428DEBIAN-CVE-2026-74428
Published 15-08-2026Last modified 17-08-2026
Open JSON

Vulnerability summary

CVE-2026-74428 is a critical (CVSS 9.8) vulnerability in linux. EPSS estimates a 0.65% chance of exploitation in the next 30 days, higher than 50.1% 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
0.65%
0%100%
Low · +0.30 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 6
USN-8816-1USN-8816-2USN-8816-3USN-8816-4USN-8888-1USN-8888-2

Timeline

  1. 15-08-2026
    PublishedVulnerability first disclosed.
  2. 17-08-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix double unlock in rxrpc_recvmsg() Fix a double unlock in rxrpc_recvmsg() when dealing with OOB messages.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.65%

Chance of exploitation in the next 30 days

Percentile

50%

Versus all other CVEs

30-day change

+0.30 pp

From 0.35% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.65%

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

Ubuntu120 products
  • linux< 7.0.0-34.34
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 7.0.0-1013.13
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 7.1.5-1
Linux1 product
  • linux≥ 5800b1cf3fd8ccab752a101865be1e76dac33142, < 8cd8cf3052fff9a4b86b25734f610e4af03786d3 | ≥ 5800b1cf3fd8ccab752a101865be1e76dac33142, < 1297ae6aeebc3863cb437e42a1bc4cd6173e43d9 | ≥ 5800b1cf3fd8ccab752a101865be1e76dac33142, < a2f299b4d5510147fa8629a6aba2869bbcc88aea | 6.16

3 vendors · 122 products

References

13 links
Show all 13 references