Memory leak in Linux kernel - CVE-2025-38624
Published: August 28, 2025
Vulnerability identifier: #VU114493
CSH Severity: Low
CVSS v4.0: 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-2025-38624
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the pnv_php_register(), pnv_php_disable_irq(), pnv_php_free_slot(), pnv_php_reset_slot(), pnv_php_disable_slot(), pnv_php_alloc_slot() and pnv_php_init_irq() functions in drivers/pci/hotplug/pnv_php.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2025-38624
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/1773c19fa55e944cdd2634e2d9e552f87f2d38d5
- https://git.kernel.org/stable/c/28aa3cfce12487614219e7667ec84424e1f43227
- https://git.kernel.org/stable/c/32173edf3fe2d447e14e5e3b299387c6f9602a88
- https://git.kernel.org/stable/c/398170b7fd0e0db2f8096df5206c75e5ff41415a
- https://git.kernel.org/stable/c/4668619092554e1b95c9a5ac2941ca47ba6d548a
- https://git.kernel.org/stable/c/bbd302c4b79df10197ffa7270ca3aa572eeca33c