SB20250226616 - Integer overflow in Linux kernel integrity ima
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226616
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Integer overflow (CVE-ID: CVE-2022-49643)
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to integer overflow within the ima_appraise_measurement() function in security/integrity/ima/ima_appraise.c. A local user can execute arbitrary code.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/388f3df7c3c8b7f2a32b9ae0a9b2f9f6ad3b1b77
- https://git.kernel.org/stable/c/640cea4c2839a821adfbb703b590a5928abe9286
- https://git.kernel.org/stable/c/831e190175f10652be93b08436cc7bf2e62e4bb6
- https://git.kernel.org/stable/c/c8d5d81940938b5f6c0f495ca9538e7740416f30
- https://git.kernel.org/stable/c/d2ee2cfc4aa85ff6a2a3b198a3a524ec54e3d999
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.132
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.56
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.207