CVE-2023-52976

Katalog CVE

CVSS 5.5 · Medium EPSS 0,28%

Kerentanan NULL Pointer Dereference pada linux kernel. Skor CVSS 3.1 5.5 (Medium) menurut NVD.

Deskripsi (NVD)

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]

Rincian

Terbit di NVD

27 Maret 2025

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

5.5 (Medium), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-476: NULL Pointer Dereference

EPSS (30 hari)

0,28% peluang dieksploitasi; lebih tinggi dari 19,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/87d4ff18738fd71e7e3c10827c80257da6283697 patch
• https://git.kernel.org/stable/c/966d47e1f27c45507c5df82b2a2157e5a4fd3909 patch
• https://git.kernel.org/stable/c/a2e6a9ff89f13666a1c3ff7195612ab949ea9afc patch
• https://git.kernel.org/stable/c/d8fc0b5fb3e816a4a8684bcd3ed02cbef0fce23c patch
• https://git.kernel.org/stable/c/d92a25627bcdf264183670da73c9a60c0bac327e patch