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.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
0.12%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 43 · Related 43OPENSUSE-SU-2026:21910-1SUSE-SU-2026:23477-1SUSE-SU-2026:23481-1SUSE-SU-2026:23528-1SUSE-SU-2026:23529-1SUSE-SU-2026:23881-1SUSE-SU-2026:23887-1SUSE-SU-2026:23897-1SUSE-SU-2026:23902-1SUSE-SU-2026:4120-1SUSE-SU-2026:4254-1USN-8575-1USN-8575-2USN-8575-3USN-8576-1USN-8576-2USN-8593-1USN-8603-1USN-8610-1USN-8618-1USN-8620-1USN-8620-2USN-8620-3USN-8620-4USN-8663-1USN-8664-1USN-8668-1USN-8668-2USN-8728-1USN-8728-2USN-8728-3USN-8729-1USN-8729-2USN-8729-3USN-8729-4USN-8729-5USN-8729-6USN-8761-1USN-8761-2USN-8761-3USN-8781-1USN-8802-1USN-8906-1
Timeline
- 19-07-2026PublishedVulnerability 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 versionMedium 5.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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 score0.12%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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