NULL pointer dereference in Linux kernel - CVE-2024-26713
Published: May 31, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90607
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-26713
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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.
External links
- 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