CVE-2026-53150
thunderbolt: Reject zero-length property entries in validator
Description
In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Reject zero-length property entries in validator tb_property_entry_valid() accepts entries with length == 0 for DIRECTORY, DATA, and TEXT types. A zero-length TEXT entry passes validation but causes an underflow in the null-termination logic: property->value.text[property->length * 4 - 1] = '\0'; When property->length is 0 this writes to offset -1 relative to the allocation. Reject zero-length entries early in the validator since they have no valid representation in the XDomain property protocol.
INFO
Published Date :
June 25, 2026, 8:38 a.m.
Last Modified :
June 25, 2026, 8:38 a.m.
Remotely Exploit :
No
Source :
Linux
Affected Products
The following products are affected by CVE-2026-53150
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Update the Linux kernel to a patched version.
- Apply the provided security fix to the kernel.
- Validate property entry lengths during processing.
- Ensure proper null-termination logic.
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CVE-2026-53150 vulnerability anywhere in the article.