CVE-2026-80967

Summary

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

ALSA: pcxhr: initialize mutexes before requesting threaded IRQ

pcxhr_probe() requests pcxhr_threaded_irq() before initializing mgr->lock, even though the threaded handler takes that mutex.

Initialize the manager locks before request_threaded_irq() so an early interrupt cannot run against uninitialized mutex state during probe.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux9bef72bdb26e291d6dffb04768741a0e49582666 < 039602d6ddb1febbb0561b30dab04461f78a1319affected
LinuxLinux9bef72bdb26e291d6dffb04768741a0e49582666 < a5f405adb0229c9cf64eb3d695c333c92e3d3d4faffected
LinuxLinux9bef72bdb26e291d6dffb04768741a0e49582666 < ede25b7fea0d7487ee8528bf35dc7b9a1cbcd814affected
LinuxLinux9bef72bdb26e291d6dffb04768741a0e49582666 < c069b3cfd753d6688ea0271c43553631ab38ce10affected
LinuxLinux9bef72bdb26e291d6dffb04768741a0e49582666 < 7ef9ad82d95dd3c74570d80a689a0570fbc7539eaffected
LinuxLinux9bef72bdb26e291d6dffb04768741a0e49582666 < 7cf280fbef5db6310e1b32074c8c34d1ba459796affected
LinuxLinux9bef72bdb26e291d6dffb04768741a0e49582666 < 6c97817e20598e5473094e0e38d1f51f1cf4dfffaffected
LinuxLinux3.18affected
LinuxLinux0 < 3.18unaffected
LinuxLinux5.15.221 <= 5.15.*unaffected
LinuxLinux6.1.188 <= 6.1.*unaffected
LinuxLinux6.6.157 <= 6.6.*unaffected
LinuxLinux6.12.109 <= 6.12.*unaffected
LinuxLinux6.18.50 <= 6.18.*unaffected
LinuxLinux7.2.4 <= 7.2.*unaffected
LinuxLinux7.3-rc1 <= *unaffected

Weaknesses

References