CVE-2026-89443

A flaw was found in the Linux kernel's platform/x86 ISST module. The isstifgetperflevelmask and isstifgetbasefreqmask functions fail to validate a user-provided 'level' parameter. A local attacker could exploit this by providing an invalid 'level' value, leading to an out-of-bounds read from the...

CVE-2026-89442

A flaw was found in the Linux kernel. The isstifclosassoc ioctl function in the platform/x86: ISST module contains an improper validation of the socketid. This allows a local attacker to cause an out-of-bounds access or a NULL pointer dereference. This could lead to a system crash, resulting in a...

AZL-100518 CVE-2026-89443 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: platform/x86: ISST: Validate level in perf mask ioctls isstifgetperflevelmask and isstifgetbasefreqmask use the user-provided level as an index into perflevels via readpplevelinfo and readbflevelinfo, but neither helper validates...