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CVE-2026-53127

block: fix zones_cond memory leak on zone revalidation error paths

MEDIUM
5.5
CVSS Score
Published: June 24, 2026 at 04:30 PM UTC
Updated: July 23, 2026 at 09:12 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.1%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
6.19 ≤ v < 7.0.106.19 ≤ v < 7.16.196e945ffb6555705cf20b1fcdc21a139911562995
Vendor states this is fixed in 29153d128384fa7c48a8ca8d34094b1cbe2d5bdc (fixed)
Vendor states this is fixed in 2a2f520fda824b5a25c93f2249578ea150c24e06 (fixed)
Vendor states this is fixed in 6.19 (unaffected)
Vendor states this is fixed in 7.0.10 (unaffected)
Vendor states this is fixed in 7.1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Patch
Source: cverecord
https://git.kernel.org/stable/c/29153d128384fa7c48a8ca8d34094b1cbe2d5bdc
Patch
Source: cverecord
https://git.kernel.org/stable/c/2a2f520fda824b5a25c93f2249578ea150c24e06

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-401

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