SB2024082247 - Buffer overflow in Linux kernel btrfs
Published: August 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024082247
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) Buffer overflow (CVE-ID: CVE-2022-48923)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the lzo_decompress_bio() function in fs/btrfs/lzo.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/8df508b7a44cd8110c726057cd28e8f8116885eb
- https://git.kernel.org/stable/c/e326bd06cdde46df952361456232022298281d16
- https://git.kernel.org/stable/c/741b23a970a79d5d3a1db2d64fa2c7b375a4febb
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.26
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17