SB2026021645 - Memory leak in Linux kernel btrfs
Published: February 16, 2026
Security Bulletin ID
SB2026021645
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) Memory leak (CVE-ID: CVE-2026-23147)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the copy_data_into_buffer() function in fs/btrfs/zlib.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.