SB2024102174 - Use-after-free in Linux kernel jfs
Published: October 21, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024102174
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2024-49903)
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.
References
- 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