SB20240531159 - Use-after-free in Linux kernel nilfs2
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531159
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-2023-52566)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the nilfs_gccache_submit_read_data() function in fs/nilfs2/gcinode.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/fb1084e63ee56958b0a56e17a50a4fd86445b9c1
- https://git.kernel.org/stable/c/bb61224f6abc8e71bfdf06d7c984e23460875f5b
- https://git.kernel.org/stable/c/193b5a1c6c67c36b430989dc063fe7ea4e200a33
- https://git.kernel.org/stable/c/7130a87ca32396eb9bf48b71a2d42259ae44c6c7
- https://git.kernel.org/stable/c/3936e8714907cd55e37c7cc50e50229e4a9042e8
- https://git.kernel.org/stable/c/980663f1d189eedafd18d80053d9cf3e2ceb5c8c
- https://git.kernel.org/stable/c/28df4646ad8b433340772edc90ca709cdefc53e2
- https://git.kernel.org/stable/c/7ee29facd8a9c5a26079148e36bcf07141b3a6bc
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.327
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.296
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.198
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.134
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.258
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.56
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6