SB2025100546 - Double free in Linux kernel jfs
Published: October 5, 2025 Updated: October 27, 2025
Security Bulletin ID
SB2025100546
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Double free (CVE-ID: CVE-2023-53616)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a double free error within the diUnmount() function in fs/jfs/jfs_imap.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/114ea3cb13ab25f7178cb60283adb93d2f96dad7
- https://git.kernel.org/stable/c/4de3a603010e0ca334487de24c6aab0777b7f808
- https://git.kernel.org/stable/c/5873df0195124be2f357de11bfd473ead4f90ed8
- https://git.kernel.org/stable/c/6e2bda2c192d0244b5a78b787ef20aa10cb319b7
- https://git.kernel.org/stable/c/756747d4b439e3e1159282ae89f17eefebbe9b25
- https://git.kernel.org/stable/c/88484bde6f12126616b38e43b6c00edcd941f615
- https://git.kernel.org/stable/c/c3c0f0ddd851b3fa3e9d3450bbcd561f4f850469
- https://git.kernel.org/stable/c/ef7311101ca43dd73b45bca7a30ac72d9535ff87
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.133