SB2020090231 - Ubuntu update for linux
Published: September 2, 2020 Updated: April 23, 2025
Security Bulletin ID
SB2020090231
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) NULL pointer dereference (CVE-ID: CVE-2018-10323)
The vulnerability allows a local attacker to cause DoS condition on the target system.The weakness exists in the xfs_bmap_extents_to_btree function in the fs/xfs/libxfs/xfs_bmap.c source code file due to NULL pointer dereference when handling Extended File System (XFS) images. A local attacker can mount a specially crafted XFS filesystem image when filesystem operations are executed on the mounted image and cause the service to crash.
Remediation
Install update from vendor's website.