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CVE-2026-80969

ALSA: mpu401: Check card index validity at probe

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.109, and 2 more
None on Exploit-DB, Metasploit or GitHub

Summary

In the Linux kernel, the following vulnerability has been resolved: ALSA: mpu401: Check card index validity at probe mpu401 driver blindly trusts that the given devptr->id value is within the proper card index range at probe. It's OK for the devices the driver itself creates at the module probe time, but if the device is bound manually via sysfs interface, this could be -1 as "none", and this leads to OOB access for index[] and other parameters. Add a sanity check for the card index and warn/correct it if it's a value out of the range.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Linux Linux

    From b3fe95123f0db79dd0345d249c312823178c11f5 · fixed in 4a3d6c22ca6b6c16e8055fb518aa87f5e043f754; From b3fe95123f0db79dd0345d249c312823178c11f5 · fixed in d606c703d1e0c54996cb3db76a753157cb2a3c06; From b3fe95123f0db79dd0345d249c312823178c11f5 · fixed in 3a997371ac2957f11a033a4cec2930042dadb7e3; From b3fe95123f0db79dd0345d249c312823178c11f5 · fixed in 26a25fb4ef4ba2a33069d489feb75a4c36899cca; From b3fe95123f0db79dd0345d249c312823178c11f5 · fixed in 76b6bc38d0f310c0ae1b2a2ebabe2947d92c601a; From b3fe95123f0db79dd0345d249c312823178c11f5 · fixed in cc4215cc2a4b2a9cf8b1952bbe8d5bf925acb3ea; From b3fe95123f0db79dd0345d249c312823178c11f5 · fixed in 8adda66edf795d4648f8e26f312e4414c535d25a; From b3fe95123f0db79dd0345d249c312823178c11f5 · fixed in f7dcecb92ed192ff5fcf842918fb1aaea84b5bdd

  • Linux Linux

    2.6.16

  • KernelLinux

    From 2.6.16 · fixed in 5.10.270; From 5.11.0 · fixed in 5.15.221; From 5.16.0 · fixed in 6.1.188; From 6.2.0 · fixed in 6.6.157; From 6.7.0 · fixed in 6.12.109; From 6.13.0 · fixed in 6.18.50; From 6.19.0 · fixed in 7.2.4

References 8

git.kernel.org