#VU119265 Memory leak in Linux kernel - CVE-2023-53769
Published: December 8, 2025 / Updated: December 12, 2025
Vulnerability identifier: #VU119265
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-2023-53769
CWE-ID: CWE-401
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 memory leak within the dec_payload(), verify_and_dec_payload() and handle_guest_request() functions in drivers/virt/coco/sev-guest/sev-guest.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/4b69c63f716cfda38e1210e65b68f67f6cee2ddf
- https://git.kernel.org/stable/c/577a64725bfd77645986168e953d405067ee565b
- https://git.kernel.org/stable/c/965006103a14703cc42043bbf9b5e0cdf7a468ad
- https://git.kernel.org/stable/c/c27dafc4aa50a29ec927b3aa84ac7b430071f682
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.15