PT-2024-8236 · Linux+8 · Linux Kernel+8
Ojaswin Mujoo
·
Published
2024-09-03
·
Updated
2025-09-29
·
CVE-2024-49883
CVSS v3.1
7.8
High
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions:
Linux kernel versions prior to 6.6.58
Description:
The issue is related to a use-after-free vulnerability in the
ext4 ext insert extent() function. This vulnerability can be exploited to impact the confidentiality, integrity, and availability of protected information. The vulnerability occurs when the path is reallocated in ext4 ext create new leaf(), causing a stale path to be used and resulting in a use-after-free error.Recommendations:
To resolve the issue, update the Linux kernel to version 6.6.58 or later. As a temporary workaround, consider updating the path using
*ppath to avoid the use-after-free error in the ext4 ext insert extent() function.Exploit
Fix
Use After Free
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Astra Linux
Debian
Linuxmint
Linux Kernel
Red Hat
Red Os
Suse
Ubuntu