SB2024110854 - Input validation error in Linux kernel nilfs2
Published: November 8, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024110854
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) Input validation error (CVE-ID: CVE-2024-50202)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the nilfs_lookup(), nilfs_do_unlink(), nilfs_rename() and nilfs_get_parent() functions in fs/nilfs2/namei.c, within the nilfs_readdir(), nilfs_find_entry() and nilfs_inode_by_name() functions in fs/nilfs2/dir.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/c1d0476885d708a932980b0f28cd90d9bd71db39
- https://git.kernel.org/stable/c/edf8146057264191d5bfe5b91773f13d936dadd3
- https://git.kernel.org/stable/c/270a6f9df35fa2aea01ec23770dc9b3fc9a12989
- https://git.kernel.org/stable/c/9698088ac7704e260f492d9c254e29ed7dd8729a
- https://git.kernel.org/stable/c/efa810b15a25531cbc2f527330947b9fe16916e7
- https://git.kernel.org/stable/c/08cfa12adf888db98879dbd735bc741360a34168
- 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-5.10.228
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.169
- 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-6.1.114
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.58