SB2022032327 - Improper validation of integrity check value in Linux kernel
Published: March 23, 2022
Security Bulletin ID
SB2022032327
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper validation of integrity check value (CVE-ID: CVE-2021-4148)
CWE-ID: CWE-354 - Improper Validation of Integrity Check Value
CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to perform a denial of service (DoS) attack.
A vulnerability was found in the Linux kernel's block_invalidatepage in fs/buffer.c in the filesystem. A missing sanity check may allow a local attacker with user privilege to cause a denial of service (DOS) problem.
Remediation
Install update from vendor's website.