SB2021062303 - Red Hat Enterprise Linux 7.7 update for kernel
Published: June 23, 2021
Security Bulletin ID
SB2021062303
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) Integer overflow (CVE-ID: CVE-2020-12362)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to integer overflow. A local user can run a specially crafted program to trigger integer overflow and execute arbitrary code with elevated privileges.
2) Use-after-free (CVE-ID: CVE-2020-15436)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error in fs/block_dev.c in the Linux kernel. A local user can run a specially crafted program to escalate privileges on the system.
Remediation
Install update from vendor's website.