SB2022062935 - Red Hat Enterprise Linux 7 update for kernel
Published: June 29, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Race condition (CVE-ID: CVE-2022-1729)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition within sys_perf_event_open() in Linux kernel. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.
2) Use-after-free (CVE-ID: CVE-2022-1966)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error in the Linux kernel's Netfilter subsystem in net/netfilter/nf_tables_api.c. A local user can trigger use-after-free error to escalate privileges on the system.
Remediation
Install update from vendor's website.