SB2022052540 - Remote denial of service in Linux Kernel
Published: May 25, 2022 Updated: June 27, 2024
Security Bulletin ID
SB2022052540
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote 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-2022-1678)
The vulnerability allows a remote attacker to perform DoS attack on the target system.
The vulnerability exists due memory leak within the tcp_pace_kick() function in net/ipv4/tcp_output.c caused by an improper update of sock reference in TCP pacing. A remote attacker can force the system to leak memory and perform denial of service attack.
Remediation
Install update from vendor's website.
References
- https://gitee.com/anolis/cloud-kernel/commit/bed537da691b
- https://bugzilla.openanolis.cn/show_bug.cgi?id=61
- https://lore.kernel.org/all/20200602080425.93712-1-kerneljasonxing@gmail.com/
- https://github.com/torvalds/linux/commit/0a70f118475e037732557796accd0878a00fc25a
- https://anas.openanolis.cn/cves/detail/CVE-2022-1678
- https://anas.openanolis.cn/errata/detail/ANSA-2022:0143
- https://security.netapp.com/advisory/ntap-20220715-0001/