#VU117580 Out-of-bounds read in Linux kernel - CVE-2023-53705
Published: October 23, 2025 / Updated: October 26, 2025
Vulnerability identifier: #VU117580
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-2023-53705
CWE-ID: CWE-125
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 an out-of-bounds read error within the ipv6_find_tlv() function in net/ipv6/exthdrs_core.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/011f47c8b8389154f996f5f69da8efc3a3beefef
- https://git.kernel.org/stable/c/04bf69e3de435d793a203aacc4b774f8f9f2baeb
- https://git.kernel.org/stable/c/59e656d0d4a84ea0ee9a39c6f69160a3effccc94
- https://git.kernel.org/stable/c/878ecb0897f4737a4c9401f3523fd49589025671
- https://git.kernel.org/stable/c/91dd8aab9c9f193210681b86b6b92840ffe74f0c
- https://git.kernel.org/stable/c/9b92e2d0eb696d7586ba832c8854653b59887da0
- https://git.kernel.org/stable/c/ae68c0f7edbc9a294094ce03a0aaf45aa489ce40
- https://git.kernel.org/stable/c/e5f82688ae10f5f386952e65e941bb8868ee54dc
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.181