#VU98869 Use-after-free in Linux kernel - CVE-2024-49903
Published: October 21, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU98869
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-49903
CWE-ID: CWE-416
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 escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the jfs_issue_discard() and jfs_ioc_trim() functions in fs/jfs/jfs_discard.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/fd026b6b6758d5569705c02540b40f3bbf822b9a
- https://git.kernel.org/stable/c/e7ae14f7ee76c6ef5a48aebab1a278ad78f42619
- https://git.kernel.org/stable/c/0c238da83f56bb895cab1e5851d034ac45b158d1
- https://git.kernel.org/stable/c/4218b31ecc7af7e191768d32e32ed4386d8f9b76
- https://git.kernel.org/stable/c/a9603a6f75df2fd8125cd208c98cfaa0fe3f7505
- https://git.kernel.org/stable/c/95accb7183badca387f7a8d19a2475cf3089f148
- https://git.kernel.org/stable/c/d6c1b3599b2feb5c7291f5ac3a36e5fa7cedb234
- 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/v5.x/ChangeLog-5.4.285
- 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