GSD-2021-1001606

blk-cgroup: fix UAF by grabbing blkcg lock before destroying blkg pd

No score

blk-cgroup: fix UAF by grabbing blkcg lock before destroying blkg pd

This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.150 by commit d12ddd843f1877de1f7dd2aeea4907cf9ff3ac08. For more details please see the references link.

What each source reports

OSV No score

blk-cgroup: fix UAF by grabbing blkcg lock before destroying blkg pd

blk-cgroup: fix UAF by grabbing blkcg lock before destroying blkg pd

Record: GSD-2021-1001606
Updated: 2026-11-02

Affected packages

Affected packages
Package	Affected	Fixed
`Kernel` Linux	Listed versions, plus commit ranges v2.6.12v2.6.12-rc2v2.6.12-rc3v2.6.12-rc4v2.6.12-rc5 Show 45 moreShow less v2.6.12-rc6v2.6.13v2.6.13-rc1v2.6.13-rc2v2.6.13-rc3v2.6.13-rc4v2.6.13-rc5v2.6.13-rc6v2.6.13-rc7v2.6.14v2.6.14-rc1v2.6.14-rc2v2.6.14-rc3v2.6.14-rc4v2.6.14-rc5v2.6.15v2.6.15-rc1v2.6.15-rc2v2.6.15-rc3v2.6.15-rc4v2.6.15-rc5v2.6.15-rc6v2.6.15-rc7v2.6.16v2.6.16-rc1v2.6.16-rc2v2.6.16-rc3v2.6.16-rc4v2.6.16-rc5v2.6.16-rc6v2.6.17v2.6.17-rc1v2.6.17-rc2v2.6.17-rc3v2.6.17-rc4v2.6.17-rc5v2.6.17-rc6v2.6.18v2.6.18-rc1v2.6.18-rc2v2.6.18-rc3v2.6.18-rc4v2.6.18-rc5v2.6.18-rc6v2.6.18-rc7	None known

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

GSD-2021-1001606 is a vulnerability with no CVSS score yet in Kernel, published October 19, 2021. No source lists public exploit code. No source names a fixed version.

This page doesn't list everything

Left out here: 726 versions. The JSON record has them.