SB20250916133 - Use-after-free in Linux kernel pci endpoint driver
Published: September 16, 2025
Security Bulletin ID
SB20250916133
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2025-39783)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the pci_epf_remove_cfs() function in drivers/pci/endpoint/pci-epf-core.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0758862386f114d9ab1e23181461bd1e2e9ec4c6
- https://git.kernel.org/stable/c/409af8b9f7b4f23cd0464e71c6cd6fe13c076ae2
- https://git.kernel.org/stable/c/6cf65505523224cab1449d726d2ce8180c2941ee
- https://git.kernel.org/stable/c/80ea6e6904fb2ba4ccb5d909579988466ec65358
- https://git.kernel.org/stable/c/a302bd89db35d8b7e279de4d2b41c16c7f191069
- https://git.kernel.org/stable/c/d5aecddc3452371d9da82cdbb0c715812524b54b
- https://git.kernel.org/stable/c/d79123d79a8154b4318529b7b2ff7e15806f480b
- https://git.kernel.org/stable/c/dc4ffbd571716ff3b171418fb03abe80e720a7b1