CVE-2026-98066

Summary

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

ALSA: caiaq: Fix potential double-free at error path

The fix for caiaq driver's resource management to handle the errors tries to release the resources in a common destructor call, but as a sashiko review for another patch suggested, some of the audio resources such as URBs have been already freed, and this may lead to a double-free.

For addressing the double-free, call the common destructor function from each place, and assure that the resource pointers get cleared.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux6251e3e256337a30160ef59ab1580dde4d1acd28 < 2883d65a3d9a8d9a682cdb003e6ab7fb28bb17f8affected
LinuxLinuxe59ecd4ee3a450db6cb4e4ecaa3efdd593f80056 < 1dd715ca0568e4833ed5878f49b028b449941096affected
LinuxLinux28abd224db4a49560b452115bca3672a20e45b2f < b629ae7b3eddc6812d5af3614b8c1bd76d65fa75affected
LinuxLinux28abd224db4a49560b452115bca3672a20e45b2f < 3b26ceef88c110f4d188387cffa0df78657be904affected
LinuxLinuxda938aa9fc7826901921dcea225948ab21a97e45affected
LinuxLinux09616e25f502080ba684fc7fcf959d1376ab756daffected
LinuxLinuxb956e48371f2ff72b76be9a829800ecec963bd45affected
LinuxLinuxf537e3ad69609f6924a4db6b4a7f6561f5288bddaffected
LinuxLinux096dd8519cf2f768e9e14f224b627f7aaee1a9c5affected
LinuxLinux6.12.86 < 6.12.111affected
LinuxLinux6.18.27 < 6.18.53affected
LinuxLinux5.10.258 < 5.11affected
LinuxLinux5.15.209 < 5.16affected
LinuxLinux6.1.175 < 6.2affected
LinuxLinux6.6.140 < 6.7affected
LinuxLinux7.0.4 < 7.1affected
LinuxLinux7.1affected
LinuxLinux0 < 7.1unaffected
LinuxLinux6.12.111 <= 6.12.*unaffected
LinuxLinux6.18.53 <= 6.18.*unaffected
LinuxLinux7.2.7 <= 7.2.*unaffected
LinuxLinux7.3-rc2 <= *unaffected

Weaknesses

References