Resource management error in Linux kernel pci controller driver

1) Resource management error

EUVDB-ID: #VU96303

Risk: Low

CVSSv4.0: 4.3 [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-2024-43876

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to resource management error within the rcar_pcie_wakeup() function in drivers/pci/controller/pcie-rcar-host.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.1 - 6.10.2

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:6.1.102:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.6.43:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.10.2:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/2ae4769332dfdb97f4b6f5dc9ac8f46d02aaa3df
https://git.kernel.org/stable/c/526a877c6273d4cd0d0aede84c1d620479764b1c
https://git.kernel.org/stable/c/3ff3bdde950f1840df4030726cef156758a244d7
https://git.kernel.org/stable/c/c93637e6a4c4e1d0e85ef7efac78d066bbb24d96
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.103
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.3
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.44

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.