SB2024060866 - Information disclosure in Linux kernel btrfs
Published: June 8, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024060866
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information disclosure (CVE-ID: CVE-2024-35956)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to information disclosure within the btrfs_subvolume_reserve_metadata() function in fs/btrfs/root-tree.c, within the create_subvol() and create_snapshot() functions in fs/btrfs/ioctl.c, within the btrfs_delete_subvolume() and btrfs_end_transaction() functions in fs/btrfs/inode.c. A local user can gain access to sensitive information.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/14431815a4ae4bcd7c7a68b6a64c66c7712d27c9
- https://git.kernel.org/stable/c/6c95336f5d8eb9ab79cd7306d71b6d0477363f8c
- https://git.kernel.org/stable/c/74e97958121aa1f5854da6effba70143f051b0cd
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.120
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.28
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.7