CVE-2024-42314

HIGH

Linux Kernel 5.16-6.10.3 - Use-After-Free in Btrfs Compressed Bio Page Addition

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix extent map use-after-free when adding pages to compressed bio At add_ra_bio_pages() we are accessing the extent map to calculate 'add_size' after we dropped our reference on the extent map, resulting in a use-after-free. Fix this by computing 'add_size' before dropping our extent map reference.

References (5)

Core 5

Scores

CVSS v3 7.8
EPSS 0.0003
EPSS Percentile 7.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-416
Status published
Products (15)
debian/debian_linux 11.0
linux/Kernel 5.16.0 - 6.1.108linux
linux/Kernel 6.2.0 - 6.6.44linux
linux/Kernel 6.7.0 - 6.10.3linux
Linux/Linux < 5.16
Linux/Linux 5.16
Linux/Linux 6.1.108 - 6.1.*
Linux/Linux 6.10.3 - 6.10.*
Linux/Linux 6.11
Linux/Linux 6.6.44 - 6.6.*
... and 5 more
Published Aug 17, 2024
Tracked Since Feb 18, 2026