kernel: net/sched: cls_api: fix error handling causing NULL dereference

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsapi: fix error handling causing NULL dereference tcfextsmisscookiebasealloc calls xaalloccyclic which can return 1 if the allocation succeeded after wrapping. This was treated as an error, with value 1 returned to...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: dpll: fixed the error handling for xaalloccyclic. If the value 1 is returned from xaalloccyclic wrapping, ERRPTR1 will be returned, causing ISERR to be false. This can lead to a dereference of an unallocated pointer pin. The issu...

SUSE CVE-2025-22017

In the Linux kernel, the following vulnerability has been resolved: devlink: fix xaalloccyclic error handling In case of returning 1 from xaalloccyclic wrapping ERRPTR1 will be returned, which will cause ISERR to be false. Which can lead to dereference not allocated pointer rel. Fix it by checkin...

DEBIAN-CVE-2025-22017

In the Linux kernel, the following vulnerability has been resolved: devlink: fix xaalloccyclic error handling In case of returning 1 from xaalloccyclic wrapping ERRPTR1 will be returned, which will cause ISERR to be false. Which can lead to dereference not allocated pointer rel. Fix it by checkin...

PT-2025-15404

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been resolved, related to the error handling of the xa alloc cyclic function. If this function returns 1 indicating wrapping, it will return ERR...

UBUNTU-CVE-2025-21857

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsapi: fix error handling causing NULL dereference tcfextsmisscookiebasealloc calls xaalloccyclic which can return 1 if the allocation succeeded after wrapping. This was treated as an error, with value 1 returned to...