SB20240608135 - Out-of-bounds read in Linux kernel s390 crypto
Published: June 8, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240608135
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) Out-of-bounds read (CVE-ID: CVE-2023-52669)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the ctr_paes_crypt() function in arch/s390/crypto/paes_s390.c, within the ctr_aes_crypt() function in arch/s390/crypto/aes_s390.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/cd51e26a3b89706beec64f2d8296cfb1c34e0c79
- https://git.kernel.org/stable/c/a7f580cdb42ec3d53bbb7c4e4335a98423703285
- https://git.kernel.org/stable/c/dbc9a791a70ea47be9f2acf251700fe254a2ab23
- https://git.kernel.org/stable/c/d68ac38895e84446848b7647ab9458d54cacba3e
- https://git.kernel.org/stable/c/e78f1a43e72daf77705ad5b9946de66fc708b874
- https://git.kernel.org/stable/c/d07f951903fa9922c375b8ab1ce81b18a0034e3b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.210
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.149
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.76
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8