Answer in brief
CVE-2026-53148 records a High severity (CVSS 7.0) vulnerability in thunderbolt: Clamp XDomain response data copy to allocation size. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic), Siemens/SIMATIC S7-1500 TM MFP - GNU/Linux subsystem (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.0. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic), Siemens/SIMATIC S7-1500 TM MFP - GNU/Linux subsystem (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=cdae7c07e3e3509eaabc18c1640a55dc5b99c179 <0b334279a82d79fb4723bd4f614305de1ab69caa || >=cdae7c07e3e3509eaabc18c1640a55dc5b99c179 <6021d39ccd979713b39b980286020d8f9a45efd1 || >=cdae7c07e3e3509eaabc18c1640a55dc5b99c179 <89ae04365e01d5ae4aae83044a8bbd2a9aaf8d0d || >=cdae7c07e3e3509eaabc18c1640a55dc5b99c179 <5db10c8ad8c09f72c847dfeef3d876098257f505 || >=cdae7c07e3e3509eaabc18c1640a55dc5b99c179 <05a43157676c243c248d1c6d9dcecbe6eba2f35d || >=cdae7c07e3e3509eaabc18c1640a55dc5b99c179 <fcbd0cdab92838854a5818be7ed8a097164ef6d5 || >=cdae7c07e3e3509eaabc18c1640a55dc5b99c179 <906035d5c3784570191d259cbf9a0ac1617852b5 || >=cdae7c07e3e3509eaabc18c1640a55dc5b99c179 <322e93448d908434ae5545660fcbe8f5a7a8e141 | 0b334279a82d79fb4723bd4f614305de1ab69caa, 6021d39ccd979713b39b980286020d8f9a45efd1, 89ae04365e01d5ae4aae83044a8bbd2a9aaf8d0d, 5db10c8ad8c09f72c847dfeef3d876098257f505, 05a43157676c243c248d1c6d9dcecbe6eba2f35d, fcbd0cdab92838854a5818be7ed8a097164ef6d5, 906035d5c3784570191d259cbf9a0ac1617852b5, 322e93448d908434ae5545660fcbe8f5a7a8e141 |
| Linux/Linuxgeneric | 4.15 | Not reported |
| Siemens/SIMATIC S7-1500 TM MFP - GNU/Linux subsystemgeneric | >=0 <* | * |
Published upstream
Jun 25, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 25, 2026
In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Clamp XDomain response data copy to allocation size tb_xdp_properties_request() derives the per-packet copy length from the response header without checking that it fits in the previously allocated data buffer. A malicious peer can set its length field larger than the declared data_length, causing memcpy to write past the kcalloc allocation. Clamp the per-packet copy length so that the cumulative offset never exceeds data_len.
Quoted source text, attributed separately from HOL analysis.