wifi: ath12k: fix invalid access to memory
CVE-2025-38292 · published 10 Jul 2025
How serious is it
- Severity: high, CVSS score 8.8 out of 10.
- No exploit prediction (EPSS) score yet.
- Not on the CISA list of exploited vulnerabilities.
- No public exploit in Exploit-DB.
Is your app affected by CVE-2025-38292?
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Who is affected
- Linux Linux: d889913205cf7ebda905b1e62c5867ed4e39f6c2 to < 920c2db46ca4476c25ec52758441e2e7ab498b0f, d889913205cf7ebda905b1e62c5867ed4e39f6c2 to < 371b340affa52f280f6eadfd25fbd43f09f0d5c0, d889913205cf7ebda905b1e62c5867ed4e39f6c2 to < 5f09d16cd57764c95c8548fe5b70672c9ac01127, d889913205cf7ebda905b1e62c5867ed4e39f6c2 to < 9f17747fbda6fca934854463873c4abf8061491d
- Linux Linux: 6.3
How to check
- Find out whether you run the affected product and which version, then compare it with the versions above.
How to fix
Copies a prompt for Claude Code, Cursor or Codex that asks it to check whether you run this product.
- Apply the vendor's update or mitigation from the references below. If there is none yet, limit exposure of the affected service until there is.
- If a vulnerable version was live, check your logs and rotate the secrets that server could read.
The advisory
In the Linux kernel, the following vulnerability has been resolved:
wifi: ath12k: fix invalid access to memory
In ath12k_dp_rx_msdu_coalesce(), rxcb is fetched from skb and boolean
is_continuation is part of rxcb.
Currently, after freeing the skb, the rxcb->is_continuation accessed
again which is wrong since the memory is already freed.
This might lead use-after-free error.
Hence, fix by locally defining bool is_continuation from rxcb,
so that after freeing skb, is_continuation can be used.
Compile tested only.
Check your whole app
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References
- git.kernel.org/stable/c/920c2db46ca4476c25ec52758441e2e7ab498b0f
- git.kernel.org/stable/c/371b340affa52f280f6eadfd25fbd43f09f0d5c0
- git.kernel.org/stable/c/5f09d16cd57764c95c8548fe5b70672c9ac01127
- git.kernel.org/stable/c/9f17747fbda6fca934854463873c4abf8061491d
Merged from CVE List. Last updated 25 Oct 2026. All vulnerabilities · RSS · JSON