#VU98852 Memory leak in Linux kernel - CVE-2024-49881
Published: October 21, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU98852
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-49881
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the get_ext_path() function in fs/ext4/move_extent.c, within the ext4_find_extent() and ext4_split_extent_at() functions in fs/ext4/extents.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/6766937d0327000ac1b87c97bbecdd28b0dd6599
- https://git.kernel.org/stable/c/a9fcb1717d75061d3653ed69365c8d45331815cd
- https://git.kernel.org/stable/c/6801ed1298204d16a38571091e31178bfdc3c679
- https://git.kernel.org/stable/c/f55ecc58d07a6c1f6d6d5b5af125c25f8da0bda2
- https://git.kernel.org/stable/c/b63481b3a388ee2df9e295f97273226140422a42
- https://git.kernel.org/stable/c/11b230100d6801c014fab2afabc8bdea304c1b96
- https://git.kernel.org/stable/c/5b4b2dcace35f618fe361a87bae6f0d13af31bc1
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.323
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.227
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.168
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.113
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.55