#VU114538 Improper error handling in Linux kernel - CVE-2025-38623
Published: August 28, 2025
Vulnerability identifier: #VU114538
Vulnerability risk: 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-2025-38623
CWE-ID: CWE-388
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 improper error handling within the pnv_php_set_attention_state(), pnv_php_enable() and pnv_php_enable_msix() functions in drivers/pci/hotplug/pnv_php.c, within the pci_hp_add_devices() function in arch/powerpc/kernel/pci-hotplug.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/1d2f63680c5719a5da92639e981c6c9a87fcee08
- https://git.kernel.org/stable/c/473999ba937eac9776be791deed7c84a21d7880b
- https://git.kernel.org/stable/c/48c6935a34981bb56f35be0774ec1f30c6e386f8
- https://git.kernel.org/stable/c/6e7b24c71e530a6c1d656e73d8a30ee081656844
- https://git.kernel.org/stable/c/78d20b8c13075eae3d884c21db7a09a6bbdda5b2
- https://git.kernel.org/stable/c/a2a2a6fc2469524caa713036297c542746d148dc