CVE-2023-52681

MEDIUM

Linux Kernel < 6.7.2 - Use-After-Free in efivarfs

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: efivarfs: Free s_fs_info on unmount Now that we allocate a s_fs_info struct on fs context creation, we should ensure that we free it again when the superblock goes away.

Scores

CVSS v3 5.5
EPSS 0.0023
EPSS Percentile 13.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-401
Status published
Products (7)
Linux/Linux < 6.7
Linux/Linux 5329aa5101f73c451bcd48deaf3f296685849d9c - 547713d502f7b4b8efccd409cff84d731a23853b
Linux/Linux 5329aa5101f73c451bcd48deaf3f296685849d9c - 92be3095c6ca1cdc46237839c6087555be9160e3
Linux/Linux 6.7
Linux/Linux 6.7.2 - 6.7.*
Linux/Linux 6.8
linux/linux_kernel 6.7 - 6.7.2
Published May 17, 2024
Tracked Since Feb 18, 2026