What is CVE-2026-23135?

CVE-2026-23135 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-02-14.

How severe is CVE-2026-23135?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Linux

CVE-2026-23135

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.

EPSS: 0.001 (2.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions d889913205cf7ebda905b1e62c5867ed4e39f6c2, 6.3, 0
Linux Linux_kernel — versions 6.19

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2026-23135?: CVE-2026-23135 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-02-14.
How severe is CVE-2026-23135?: Medium severity. CVSS v3 base score is 5.5 out of 10.