SB2017101956 - Fedora 27 update for qemu
Published: October 19, 2017 Updated: April 24, 2025
Security Bulletin ID
SB2017101956
Severity
Low
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Race condition (CVE-ID: CVE-2017-15038)
The vulnerability allows an adjacent attacker to obtain potentially sensitive information on the target system.
The weakness exists due to race condition in the v9fs_xattrwalk function in hw/9pfs/9p.c in QEMU (aka Quick Emulator). An adjacent attacker can obtain sensitive information from host heap memory via vectors related to reading extended attributes.
The weakness exists due to race condition in the v9fs_xattrwalk function in hw/9pfs/9p.c in QEMU (aka Quick Emulator). An adjacent attacker can obtain sensitive information from host heap memory via vectors related to reading extended attributes.
2) Memory leak (CVE-ID: CVE-2017-15268)
The vulnerability allows a remote attacker to cause DoІ condition on the target system.
The weakness exists in io/channel-websock.c due to memory leak in slow data-channel read operations. A remote attacker can trigger memory corruption and cause the service to crash.
Remediation
Install update from vendor's website.