Memory leak in Linux kernel - CVE-2026-45872
Published: May 28, 2026
Vulnerability identifier: #VU132620
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-45872
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to a memory leak in pqi_report_phys_luns() when handling unsupported data formats or allocation failures. A local user can trigger the vulnerable error paths to cause a denial of service.
How to mitigate CVE-2026-45872
Install security update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/41b37312bd9722af77ec7817ccf22d7a4880c289
- https://git.kernel.org/stable/c/454570434114e4862767f506a442a0f110b639b2
- https://git.kernel.org/stable/c/d52e13122d3771f753dd73ae6512fa01f58015cb
- https://git.kernel.org/stable/c/e5579ebaadc7b699868dad0f591a7bf83cd647e1
- https://git.kernel.org/stable/c/f471ecfec093e39ef8fd08978413793087daa14d
- https://git.kernel.org/stable/c/fdf1188cfa80f88c9f18d58cb33d57ff40e70e26