SB20251230201 - NULL pointer dereference in Linux kernel platforms powernv
Published: December 30, 2025 Updated: December 30, 2025
Security Bulletin ID
SB20251230201
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-2023-54315)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the pnv_pci_sriov_disable() function in arch/powerpc/platforms/powernv/pci-sriov.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/07c19c0ad4b07f4b598da369714de028f6a6a323
- https://git.kernel.org/stable/c/6314465b88072a6b6f3b3c12a7898abe09095f95
- https://git.kernel.org/stable/c/72990144e17e5e2cb378f1d9b10530b85b9bc382
- https://git.kernel.org/stable/c/d3a0d96c16e5f8d55e2c70163abda3c7c8328106
- https://git.kernel.org/stable/c/d9a1aaea856002cb58dfb7c8d8770400fa1a0299
- https://git.kernel.org/stable/c/f4f913c980bc6abe0ccfe88fe3909c125afe4a2d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.188
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.121
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.39
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5