CVE-2026-74291: Linux kernel · ASoC: topology: Check PCM and DAI name strings before use
Affects Linux kernelSource CVE Database V5
Not known to be exploited · fixed in d09dad8dff862c4b5aac48b1223e512074ffeb08 : update Linux kernel when convenient.
Data as of 30 Oct 2026, 13:20 UTC
Rated Medium by Threat Radar's AI analysis · CVSS not yet scored by NVD
Thin evidence
One scorer or none- Patch
- Available – fixed in d09dad8dff862c4b5aac48b1223e512074ffeb08, c405b07246bf179e9457de57501c3470175b165e, ba37b62ed0a443b8e23f53a7477e7f2537fd34c7 +3
Exploitation evidence
Disclosed: evidence found.
CVE published 15 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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AI-suggested
A fix is available in the Linux kernel commits identified by the fixedVersions hashes. Users should update their Linux kernel to a version that includes these fixes to mitigate the vulnerability.
Description
A vulnerability in the Linux kernel's ASoC topology parser allowed reading beyond fixed-size arrays due to missing checks for NUL termination in PCM and DAI name strings. This flaw was fixed by rejecting unterminated PCM and DAI name fields before use.
References
- git.kernel.org/stable/c/d09dad8dff862c4b5aac48b1223e512074ffeb08 (opens in a new tab)
- git.kernel.org/stable/c/c405b07246bf179e9457de57501c3470175b165e (opens in a new tab)
- git.kernel.org/stable/c/473f7d25d93e80db526a9d05887f0071abdc6d9b (opens in a new tab)
- git.kernel.org/stable/c/5c2537cf24d673956b4e58029001667f89586fa2 (opens in a new tab)
- git.kernel.org/stable/c/ba37b62ed0a443b8e23f53a7477e7f2537fd34c7 (opens in a new tab)
- git.kernel.org/stable/c/b7e44d1986d6671342c19b82192189ca5db5dab7 (opens in a new tab)