SB20250916257 - Improper error handling in Linux kernel x86 crypto
Published: September 16, 2025
Security Bulletin ID
SB20250916257
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 security vulnerability.
1) Improper error handling (CVE-ID: CVE-2025-39789)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the crypto_aegis128_aesni_process_ad(), crypto_aegis128_aesni_process_crypt(), crypto_aegis128_aesni_setauthsize(), crypto_aegis128_aesni_crypt(), crypto_aegis128_aesni_encrypt() and crypto_aegis128_aesni_decrypt() functions in arch/x86/crypto/aegis128-aesni-glue.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.