SB20240531271 - Out-of-bounds read in Linux kernel x86 kernel
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531271
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-2023-52504)
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 apply_alternatives() function in arch/x86/kernel/alternative.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/3719d3c36aa853d5a2401af9f8d6b116c91ad5ae
- https://git.kernel.org/stable/c/3770c38cd6a60494da29ac2da73ff8156440a2d1
- https://git.kernel.org/stable/c/6788b10620ca6e98575d1e06e72a8974aad7657e
- https://git.kernel.org/stable/c/ecba5afe86f30605eb9dfb7f265a8de0218d4cfc
- https://git.kernel.org/stable/c/5b784489c8158518bf7a466bb3cc045b0fb66b4b
- https://git.kernel.org/stable/c/cd287cc208dfe6bd6da98e7f88e723209242c9b4
- https://git.kernel.org/stable/c/d35652a5fc9944784f6f50a5c979518ff8dacf61
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.297
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.199
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.136
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.270
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.59
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6