Medium 5.5Published Jun 24, 2026

CVE-2026-53127block: fix zones_cond memory leak on zone revalidation error paths

Updated under an hour ago (Oct 27, 2026, 9:00 AM ET)

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: block: fix zones_cond memory leak on zone revalidation error paths When blk_revalidate_disk_zones() fails after disk_revalidate_zone_resources() has allocated args.zones_cond, the memory is leaked because no error path frees it.

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Analyzed
Record last updated: Jun 24, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 6e945ffb6555705cf20b1fcdc21a139911562995 before 29153d128384fa7c48a8ca8d34094b1cbe2d5bdc; 6e945ffb6555705cf20b1fcdc21a139911562995 builds before 2a2f520fda824b5a25c93f2249578ea150c24e06	CNA record
linux linux_kernel linux:linux_kernel	from 6.19 before 7.0.10	NVD

References

References

https://git.kernel.org/stable/c/29153d128384fa7c48a8ca8d34094b1cbe2d5bdc	patch
https://git.kernel.org/stable/c/2a2f520fda824b5a25c93f2249578ea150c24e06	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.