SB20240531509 - NULL pointer dereference in Linux kernel include asm
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531509
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-2024-26713)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the init_phb_dynamic() and remove_phb_dynamic() functions in arch/powerpc/platforms/pseries/pci_dlpar.c, within the ppc_iommu_register_device() and spapr_tce_setup_phb_iommus_initcall() functions in arch/powerpc/kernel/iommu.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/9978d5b744e0227afe19e3bcb4c5f75442dde753
- https://git.kernel.org/stable/c/d4f762d6403f7419de90d7749fa83dd92ffb0e1d
- https://git.kernel.org/stable/c/ed8b94f6e0acd652ce69bd69d678a0c769172df8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.18
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8