PT-2026-52021 · Linux · Linux Kernel

Published 2026-06-24 · Updated 2026-06-24 · CVE-2026-53127

Positive Technologies (AI Summary)

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A memory leak occurs in the block layer during zone revalidation error paths. Specifically, when the blk revalidate disk zones() function fails after disk revalidate zone resources() has already allocated args.zones cond, the memory is not freed because there is no corresponding error path to handle the deallocation.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Related Identifiers

CVE-2026-53127

Affected Products

Linux Kernel

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-53127 · Security Note
• https://git.kernel.org/stable/c/29153d128384fa7c48a8ca8d34094b1cbe2d5bdc · Note
• https://git.kernel.org/stable/c/2a2f520fda824b5a25c93f2249578ea150c24e06 · Note
• https://twitter.com/CVEnew/status/2069845522979189081 · Twitter Post