Riskcovery

CVE-2026-43126

ALSA: mixer: oss: Add card disconnect checkpoints

State
Published
Severity
7.8 High
Published
May 6, 2026
Updated
Oct 30, 2026
Reserved
May 1, 2026

Read the record on cve.org

Description

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

ALSA: mixer: oss: Add card disconnect checkpoints

ALSA OSS mixer layer calls the kcontrol ops rather individually, and pending calls might be not always caught at disconnecting the device.

For avoiding the potential UAF scenarios, add sanity checks of the card disconnection at each entry point of OSS mixer accesses. The rwsem is taken just before that check, hence the rest context should be covered by that properly.

Scores

CVSSScoreVectorSource
3.17.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLinux

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 11ecfba92bdb420456a48da45a756b24d6356f72Affected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 20c52a70414095447da1be076f492cc7a6dce7cfAffected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before ae583f113d15fa97e5234133c20d09f8e6214e47Affected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before e6645e625480cdf1079a4265f758d13b70721029Affected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 8c097cf736993454acf3f711a3b376d6c7ad8965Affected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 084d5d44418148662365eced3e126ad1a81ee3e2Affected
LinuxLinux
  • 2.6.12Affected
  • before 2.6.12Not affected
  • 6.1.191 through 6.1.*Not affected
  • 6.6.160 through 6.6.*Not affected
  • 6.12.75 through 6.12.*Not affected
  • 6.18.16 through 6.18.*Not affected
  • 6.19.6 through 6.19.*Not affected
  • 7.0 and laterNot affected

References

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