blk-cgroup: fix disk reference leak in blkcg_maybe_throttle_current()

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CVE-2026-53126

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix disk reference leak in blkcgmaybethrottlecurrent Add the missing putdisk on the error path in blkcgmaybethrottlecurrent. When blkcg lookup, blkg lookup, or blkgtryget fails, the function jumps to the out label whi...

CVE-2026-53126

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix disk reference leak in blkcgmaybethrottlecurrent Add the missing putdisk on the error path in blkcgmaybethrottlecurrent. When blkcg lookup, blkg lookup, or blkgtryget fails, the function jumps to the out label whi...

CVE-2026-53126 blk-cgroup: fix disk reference leak in blkcg_maybe_throttle_current()

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix disk reference leak in blkcgmaybethrottlecurrent Add the missing putdisk on the error path in blkcgmaybethrottlecurrent. When blkcg lookup, blkg lookup, or blkgtryget fails, the function jumps to the out label whi...

PT-2026-52020

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A disk reference leak occurs in the blkcg maybe throttle current function. When blkcg lookup, blkg lookup, or blkg tryget fails, the function fails to call put disk on the error path. Th...