#VU115777 Use-after-free in Linux kernel - CVE-2023-53363
Published: September 18, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115777
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-53363
CWE-ID: CWE-416
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 escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the pci_remove_root_bus() function in drivers/pci/remove.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/07a75c0050e59c50f038cc5f4e2a3258c8f8c9d0
- https://git.kernel.org/stable/c/30ba2d09edb5ea857a1473ae3d820911347ada62
- https://git.kernel.org/stable/c/52b0343c7d628f37b38e3279ba585526b850ad3b
- https://git.kernel.org/stable/c/ad367516b1c09317111255ecfbf5e42c33e31918
- https://git.kernel.org/stable/c/fbf45385e3419b8698b5e0a434847072375cfec2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.136