Out-of-bounds write in Linux kernel - CVE-2026-53150
Published: June 26, 2026
Vulnerability identifier: #VU135634
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-2026-53150
CWE-ID: CWE-787
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 attacker to cause a denial of service.
The vulnerability exists due to an out-of-bounds write in tb_property_entry_valid() and the TEXT property null-termination logic in drivers/thunderbolt/property.c when parsing XDomain property entries. A local attacker can provide a crafted zero-length TEXT property entry to cause a denial of service.
How to mitigate CVE-2026-53150
Install security update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/2e0ddac549ebd713eb9f4a15b6496e3440a17d8b
- https://git.kernel.org/stable/c/35d6c9252a152e756768a26dbf216b9dd9dd8e92
- https://git.kernel.org/stable/c/3b6e68cb97f725385010264a873e14a3921b6b8a
- https://git.kernel.org/stable/c/581c2053ab4dbe27e83c9e62deb4c73aa8dc0c3a
- https://git.kernel.org/stable/c/5f56bc6bddffe8710ba0ba8844023b5a44ca90e4
- https://git.kernel.org/stable/c/99d9dbad1463afb510d42c9714f846361d1b726d
- https://git.kernel.org/stable/c/ca11e7da4fba4b394f69e16448f4463c44c84de6
- https://git.kernel.org/stable/c/cff8eb65d1eafe7793e54b4d0cf6bf831644630b