CVE-2026-23133: wifi: ath10k: fix dma_free_coherent() pointer

Published Feb 14, 2026
·
Updated

In the Linux kernel, the following vulnerability has been resolved:

wifi: ath10k: fix dmafreecoherent() pointer

dmaalloccoherent() allocates a DMA mapped buffer and stores the addresses in XXXunaligned fields. Those should be reused when freeing the buffer rather than the aligned addresses.

Affected Software

13 affected components
linux/kernel
Linux Linux kernel>=4.16<5.10.249
Linux Linux kernel>=5.11<5.15.199
Linux Linux kernel>=5.16<6.1.162
Linux Linux kernel>=6.2<6.6.122
Linux Linux kernel>=6.7<6.12.68
Linux Linux kernel>=6.13<6.18.8
Linux Linux kernel=6.19-rc1
Linux Linux kernel=6.19-rc2
Linux Linux kernel=6.19-rc3
Linux Linux kernel=6.19-rc4
Linux Linux kernel=6.19-rc5
Linux Linux kernel=6.19-rc6

Event History

Feb 14, 2026
CVE Published
via MITRE·03:14 PM
Data Sourced
via MITRE·03:14 PM
Description
Data Sourced
via NVD·04:15 PM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2026-23133?

CVE-2026-23133 has not been assigned a specific severity rating yet.

2

How do I fix CVE-2026-23133?

To fix CVE-2026-23133, update to a patched version of the Linux kernel that addresses this vulnerability.

3

Which software versions are affected by CVE-2026-23133?

CVE-2026-23133 affects multiple versions of the Linux kernel, specifically versions between 4.16 and 6.19-rc6.

4

What type of vulnerability is CVE-2026-23133?

CVE-2026-23133 is a vulnerability related to improper memory management in the ath10k driver of the Linux kernel.

5

Who is impacted by CVE-2026-23133?

Users of affected Linux kernel versions, particularly those using the ath10k driver for wireless networks, are impacted by CVE-2026-23133.

Contact

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