5.5

CVE-2026-64155: linux

CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2026-64155DEBIAN-CVE-2026-64155
Published 19-07-2026Last modified 19-07-2026

Vulnerability summary

CVE-2026-64155 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.12% chance of exploitation in the next 30 days, higher than 1.8% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.12%
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 43 · Related 43

Timeline

  1. 19-07-2026
    PublishedVulnerability first disclosed.

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix error path leaks in some WMI WOW calls Fix two instances where we used to directly return the result of ath11k_wmi_cmd_send(...). Because we did not check the return value, we also did not free the skb in the error path.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.12%

Chance of exploitation in the next 30 days

Percentile

2%

Versus all other CVEs

30-day change

0.00 pp

From 0.12% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.12%

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

Affected systems

Ubuntu155 products
  • linux< 5.15.0-186.196 | < 6.8.0-139.139 | < 7.0.0-28.28
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.15.0-1112.119 | < 6.8.0-1064.67 | < 7.0.0-1009.9
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 79802b13a492d0fdeb922e98628e5ff1a8b74026, < d6c7b8d0dc22c0a8743435db8f42d98524b70df3 | ≥ 79802b13a492d0fdeb922e98628e5ff1a8b74026, < cd43d587dd333517c806cd24696e6e1a26b9951e | ≥ 79802b13a492d0fdeb922e98628e5ff1a8b74026, < 3d675896ea03aca631852a2a7e91e6cb8f664967 | ≥ 79802b13a492d0fdeb922e98628e5ff1a8b74026, < 008955b1348452de25bc19d6e0f0f673d4cb9a3c | ≥ 79802b13a492d0fdeb922e98628e5ff1a8b74026, < acde4692afcdaea6de3e2996ddfaeaa7ae6b0130 | ≥ 79802b13a492d0fdeb922e98628e5ff1a8b74026, < d618d322b95c80d5ad7091f35a7193e4050dcc27 | ≥ 79802b13a492d0fdeb922e98628e5ff1a8b74026, < 55dda532bbc261aef495e403c8900c5e2ab5fa34 | 5.11
  • linux_kernel≥ 5.11, < 5.15.209 | ≥ 5.16, < 6.1.175 | ≥ 6.2, < 6.6.142 | ≥ 6.7, < 6.12.92 | ≥ 6.13, < 6.18.34 | ≥ 6.19, < 7.0.11 | 7.1:rc1 | 7.1:rc2 | 7.1:rc3 | 7.1:rc4
Debian1 product
  • linux< 6.1.176-1 | < 6.12.94-1 | < 7.0.12-1

3 vendors · 158 products

References

43 links
Show all 43 references