SB20240531538 - NULL pointer dereference in Linux kernel serial 8250 driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531538
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) NULL pointer dereference (CVE-ID: CVE-2023-52567)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the serial8250_handle_irq() function in drivers/tty/serial/8250/8250_port.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/ee5732caaffba3a37e753fdb89b4958db9a61847
- https://git.kernel.org/stable/c/c334650150c29234b0923476f51573ae1b2f252a
- https://git.kernel.org/stable/c/bf3c728e3692cc6d998874f0f27d433117348742
- https://git.kernel.org/stable/c/e14afa4450cb7e4cf93e993a765801203d41d014
- https://git.kernel.org/stable/c/2b837f13a818f96304736453ac53b66a70aaa4f2
- https://git.kernel.org/stable/c/e14f68a48fd445a083ac0750fafcb064df5f18f7
- https://git.kernel.org/stable/c/3345cc5f02f1fb4c4dcb114706f2210d879ab933
- https://git.kernel.org/stable/c/cce7fc8b29961b64fadb1ce398dc5ff32a79643b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.327
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.296
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.198
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.134
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.258
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.56
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6