CVE-2026-53150
thunderbolt: Reject zero-length property entries in validator
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Jun 25, 2026 |
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Affected Versions
Linux / Linux
cdae7c07e3e3509eaabc18c1640a55dc5b99c179 < 581c2053ab4dbe27e83c9e62deb4c73aa8dc0c3a cdae7c07e3e3509eaabc18c1640a55dc5b99c179 < 35d6c9252a152e756768a26dbf216b9dd9dd8e92 cdae7c07e3e3509eaabc18c1640a55dc5b99c179 < 99d9dbad1463afb510d42c9714f846361d1b726d cdae7c07e3e3509eaabc18c1640a55dc5b99c179 < 5f56bc6bddffe8710ba0ba8844023b5a44ca90e4 cdae7c07e3e3509eaabc18c1640a55dc5b99c179 < ca11e7da4fba4b394f69e16448f4463c44c84de6 cdae7c07e3e3509eaabc18c1640a55dc5b99c179 < 2e0ddac549ebd713eb9f4a15b6496e3440a17d8b cdae7c07e3e3509eaabc18c1640a55dc5b99c179 < 3b6e68cb97f725385010264a873e14a3921b6b8a cdae7c07e3e3509eaabc18c1640a55dc5b99c179 < cff8eb65d1eafe7793e54b4d0cf6bf831644630b
Linux / Linux
4.15
References
git.kernel.org: https://git.kernel.org/stable/c/581c2053ab4dbe27e83c9e62deb4c73aa8dc0c3a git.kernel.org: https://git.kernel.org/stable/c/35d6c9252a152e756768a26dbf216b9dd9dd8e92 git.kernel.org: https://git.kernel.org/stable/c/99d9dbad1463afb510d42c9714f846361d1b726d git.kernel.org: https://git.kernel.org/stable/c/5f56bc6bddffe8710ba0ba8844023b5a44ca90e4 git.kernel.org: https://git.kernel.org/stable/c/ca11e7da4fba4b394f69e16448f4463c44c84de6 git.kernel.org: https://git.kernel.org/stable/c/2e0ddac549ebd713eb9f4a15b6496e3440a17d8b git.kernel.org: https://git.kernel.org/stable/c/3b6e68cb97f725385010264a873e14a3921b6b8a git.kernel.org: https://git.kernel.org/stable/c/cff8eb65d1eafe7793e54b4d0cf6bf831644630b