CVE-2026-23135: linux
CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2026-23135DEBIAN-CVE-2026-23135
Published 14-02-2026Last modified 11-05-2026
Vulnerability summary
CVE-2026-23135 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.14% chance of exploitation in the next 30 days, higher than 3.2% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
0.14%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 27 · Related 25MGASA-2026-0097MGASA-2026-0098OPENSUSE-SU-2026:20416-1SUSE-SU-2026:0962-1SUSE-SU-2026:1081-1SUSE-SU-2026:20667-1SUSE-SU-2026:20720-1SUSE-SU-2026:20838-1SUSE-SU-2026:20845-1SUSE-SU-2026:20873-1SUSE-SU-2026:20876-1SUSE-SU-2026:20931-1USN-8278-1USN-8278-2USN-8289-1USN-8289-2USN-8296-1USN-8296-2USN-8393-1USN-8440-1USN-8499-1USN-8570-1USN-8570-2USN-8594-1USN-8604-1USN-8605-1USN-8669-1
Timeline
- 14-02-2026PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix dma_free_coherent() pointer dma_alloc_coherent() allocates a DMA mapped buffer and stores the addresses in XXX_unaligned fields. Those should be reused when freeing the buffer rather than the aligned addresses.
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
0.14%
Chance of exploitation in the next 30 days
Percentile
3%
Versus all other CVEs
30-day change
+0.02 pp
From 0.13% on 21-09-2026
21-09-202621-10-2026
EPSS score0.14%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Ubuntu130 products
- linux< 6.8.0-117.117 | All versions (No fix recorded)
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 6.8.0-1055.58 | All versions (No fix recorded)
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ d889913205cf7ebda905b1e62c5867ed4e39f6c2, < 36e0bc5e8b282564906fca636c4ebc99814de4e7 | ≥ d889913205cf7ebda905b1e62c5867ed4e39f6c2, < 24585a13c41ea7253ee59aac74441fb570f5824a | ≥ d889913205cf7ebda905b1e62c5867ed4e39f6c2, < 4846b32be324f4dd3653f38a3f69c049543d52ae | ≥ d889913205cf7ebda905b1e62c5867ed4e39f6c2, < bb97131fbf9b708dd9616ac2bdc793ad102b5c48 | 6.3
- linux_kernel≥ 6.3, < 6.6.122 | ≥ 6.7, < 6.12.68 | ≥ 6.13, < 6.18.8 | 6.19:rc1 | 6.19:rc2 | 6.19:rc3 | 6.19:rc4 | 6.19:rc5 | 6.19:rc6
Debian1 product
- linux< 6.12.69-1 | < 6.18.8-1
3 vendors · 133 products
