thunderbolt: Reject zero-length property entries in validator
Summary
| CVE | CVE-2026-53150 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-06-25 09:16:32 UTC |
| Updated | 2026-06-25 09:16:32 UTC |
| 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. |
Risk And Classification
EPSS: 0.001840000 probability, percentile 0.082010000 (date 2026-06-26)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected cdae7c07e3e3509eaabc18c1640a55dc5b99c179 581c2053ab4dbe27e83c9e62deb4c73aa8dc0c3a git | Not specified |
| CNA | Linux | Linux | affected cdae7c07e3e3509eaabc18c1640a55dc5b99c179 35d6c9252a152e756768a26dbf216b9dd9dd8e92 git | Not specified |
| CNA | Linux | Linux | affected cdae7c07e3e3509eaabc18c1640a55dc5b99c179 99d9dbad1463afb510d42c9714f846361d1b726d git | Not specified |
| CNA | Linux | Linux | affected cdae7c07e3e3509eaabc18c1640a55dc5b99c179 5f56bc6bddffe8710ba0ba8844023b5a44ca90e4 git | Not specified |
| CNA | Linux | Linux | affected cdae7c07e3e3509eaabc18c1640a55dc5b99c179 ca11e7da4fba4b394f69e16448f4463c44c84de6 git | Not specified |
| CNA | Linux | Linux | affected cdae7c07e3e3509eaabc18c1640a55dc5b99c179 2e0ddac549ebd713eb9f4a15b6496e3440a17d8b git | Not specified |
| CNA | Linux | Linux | affected cdae7c07e3e3509eaabc18c1640a55dc5b99c179 3b6e68cb97f725385010264a873e14a3921b6b8a git | Not specified |
| CNA | Linux | Linux | affected cdae7c07e3e3509eaabc18c1640a55dc5b99c179 cff8eb65d1eafe7793e54b4d0cf6bf831644630b git | Not specified |
| CNA | Linux | Linux | affected 4.15 | Not specified |
| CNA | Linux | Linux | unaffected 4.15 semver | Not specified |
| CNA | Linux | Linux | unaffected 5.10.259 5.10.* semver | Not specified |
| CNA | Linux | Linux | unaffected 5.15.210 5.15.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.176 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.143 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.94 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.36 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.0.13 7.0.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.1 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/581c2053ab4dbe27e83c9e62deb4c73aa8dc0c3a | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/5f56bc6bddffe8710ba0ba8844023b5a44ca90e4 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/99d9dbad1463afb510d42c9714f846361d1b726d | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/2e0ddac549ebd713eb9f4a15b6496e3440a17d8b | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/cff8eb65d1eafe7793e54b4d0cf6bf831644630b | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/35d6c9252a152e756768a26dbf216b9dd9dd8e92 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/ca11e7da4fba4b394f69e16448f4463c44c84de6 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/3b6e68cb97f725385010264a873e14a3921b6b8a | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.