SB20240531452 - NULL pointer dereference in Linux kernel platforms powernv
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531452
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-2023-52696)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the opal_powercap_init() function in arch/powerpc/platforms/powernv/opal-powercap.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/9da4a56dd3772570512ca58aa8832b052ae910dc
- https://git.kernel.org/stable/c/a67a04ad05acb56640798625e73fa54d6d41cce1
- https://git.kernel.org/stable/c/6b58d16037217d0c64a2a09b655f370403ec7219
- https://git.kernel.org/stable/c/f152a6bfd187f67afeffc9fd68cbe46f51439be0
- https://git.kernel.org/stable/c/69f95c5e9220f77ce7c540686b056c2b49e9a664
- https://git.kernel.org/stable/c/b02ecc35d01a76b4235e008d2dd292895b28ecab
- https://git.kernel.org/stable/c/e123015c0ba859cf48aa7f89c5016cc6e98e018d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.209
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.148
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.268
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.75
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8