SB2015100517 - Fedora 23 update for kernel
Published: October 5, 2015 Updated: April 24, 2025
Security Bulletin ID
SB2015100517
Severity
Low
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Path traversal (CVE-ID: CVE-2015-2925)
The vulnerability allows a local attacker to gain elevated privileges on the target system.The weakness exists in the prepend_path function in fs/dcache.c due to improper handling of rename actions inside a bind mount. A local attacker can bypass an intended container protection mechanism by renaming a directory, related to a "double-chroot attack" and gain root privileges.
2) Race condition (CVE-ID: CVE-2015-7613)
The vulnerability allows a local attacker to gain elevated privileges on the target system.The weakness exists in the IPC object implementation due to race condition. A local attacker can trigger an ipc_addid call that leads to uid and gid comparisons against uninitialized data, related to msg.c, shm.c, and util.c and gain root privileges.
Remediation
Install update from vendor's website.