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CVE-2023-52976

MEDIUM

5.5

Description

In the Linux kernel, the following vulnerability has been resolved: efi: fix potential NULL deref in efi_mem_reserve_persistent When iterating on a linked list, a result of memremap is dereferenced without checking it for NULL. This patch adds a check that falls back on allocating a new page in case memremap doesn't succeed. Found by Linux Verification Center (linuxtesting.org) with SVACE. [ardb: return -ENOMEM instead of breaking out of the loop]

CVE Details

CVSS v3.1 Score5.5

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published3/27/2025

Last Modified10/1/2025

Sourcenvd

Honeypot Sightings0

Affected Products

linux:linux_kernel

Weaknesses (CWE)

CWE-476CWE-476

References

https://git.kernel.org/stable/c/87d4ff18738fd71e7e3c10827c80257da6283697(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/966d47e1f27c45507c5df82b2a2157e5a4fd3909(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/a2e6a9ff89f13666a1c3ff7195612ab949ea9afc(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/d8fc0b5fb3e816a4a8684bcd3ed02cbef0fce23c(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/d92a25627bcdf264183670da73c9a60c0bac327e(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.