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CVE-2023-4732

Public on 2023-09-20
Modified on 2024-02-03
Description

A flaw was found in the Linux Kernel's memory management subsytem. In this flaw, A task is exiting and releasing 2MB page in a vma (vm_area_struct) and hits the BUG statement in pfn_swap_entry_to_page() referencing pmd_t x. This may allow a local user to crash the Linux kernel.

Severity
Medium
See what this means
CVSS v3 Base Score
4.7
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Kernel-5.10 Extra kernel 2022-01-20 23:43 ALAS2KERNEL-5.10-2022-004

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv3 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H