Answer in brief
CVE-2026-53146 records a High severity (CVSS 7.1) vulnerability in thunderbolt: Limit XDomain response copy to actual frame size. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
Answer in brief
CVE-2026-53146 records a High severity (CVSS 7.1) vulnerability in thunderbolt: Limit XDomain response copy to actual frame size. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (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 7.1. 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). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=cdae7c07e3e3509eaabc18c1640a55dc5b99c179 <c55da494dfb445fb28df3a9d293c2be6a299cd01 || >=cdae7c07e3e3509eaabc18c1640a55dc5b99c179 <7720654b4842bcdfeb64bc002f6186041849e1e7 || >=cdae7c07e3e3509eaabc18c1640a55dc5b99c179 <033dfa63bf6be2653441a1dccae4a8313a91bb9d || >=cdae7c07e3e3509eaabc18c1640a55dc5b99c179 <fc261397295b8ad0654cec747b0ec25ea0011995 || >=cdae7c07e3e3509eaabc18c1640a55dc5b99c179 <a15b6d3136accb2bf84b04d9a3ddd991f7fbf1cb || >=cdae7c07e3e3509eaabc18c1640a55dc5b99c179 <b5daa920f44cb582272fc9bfaeb67408776cbaef || >=cdae7c07e3e3509eaabc18c1640a55dc5b99c179 <b2c1e5d9f1598cc1a4736d5c6bd1218f90805ee4 || >=cdae7c07e3e3509eaabc18c1640a55dc5b99c179 <4db2bd2ed4785dbadaeeab9f4e346b21ac5fb8eb | c55da494dfb445fb28df3a9d293c2be6a299cd01, 7720654b4842bcdfeb64bc002f6186041849e1e7, 033dfa63bf6be2653441a1dccae4a8313a91bb9d, fc261397295b8ad0654cec747b0ec25ea0011995, a15b6d3136accb2bf84b04d9a3ddd991f7fbf1cb, b5daa920f44cb582272fc9bfaeb67408776cbaef, b2c1e5d9f1598cc1a4736d5c6bd1218f90805ee4, 4db2bd2ed4785dbadaeeab9f4e346b21ac5fb8eb |
| Linux/Linuxgeneric | 4.15 | Not reported |
Published upstream
Jun 25, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 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: Limit XDomain response copy to actual frame size tb_xdomain_copy() copies req->response_size bytes from the received packet buffer regardless of the actual frame size. When a short response arrives, this reads past the valid frame data in the DMA pool buffer into stale contents from previous transactions. Use the minimum of frame size and expected response size for the copy length.
Quoted source text, attributed separately from HOL analysis.
CVSS is 7.1. 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). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=cdae7c07e3e3509eaabc18c1640a55dc5b99c179 <c55da494dfb445fb28df3a9d293c2be6a299cd01 || >=cdae7c07e3e3509eaabc18c1640a55dc5b99c179 <7720654b4842bcdfeb64bc002f6186041849e1e7 || >=cdae7c07e3e3509eaabc18c1640a55dc5b99c179 <033dfa63bf6be2653441a1dccae4a8313a91bb9d || >=cdae7c07e3e3509eaabc18c1640a55dc5b99c179 <fc261397295b8ad0654cec747b0ec25ea0011995 || >=cdae7c07e3e3509eaabc18c1640a55dc5b99c179 <a15b6d3136accb2bf84b04d9a3ddd991f7fbf1cb || >=cdae7c07e3e3509eaabc18c1640a55dc5b99c179 <b5daa920f44cb582272fc9bfaeb67408776cbaef || >=cdae7c07e3e3509eaabc18c1640a55dc5b99c179 <b2c1e5d9f1598cc1a4736d5c6bd1218f90805ee4 || >=cdae7c07e3e3509eaabc18c1640a55dc5b99c179 <4db2bd2ed4785dbadaeeab9f4e346b21ac5fb8eb | c55da494dfb445fb28df3a9d293c2be6a299cd01, 7720654b4842bcdfeb64bc002f6186041849e1e7, 033dfa63bf6be2653441a1dccae4a8313a91bb9d, fc261397295b8ad0654cec747b0ec25ea0011995, a15b6d3136accb2bf84b04d9a3ddd991f7fbf1cb, b5daa920f44cb582272fc9bfaeb67408776cbaef, b2c1e5d9f1598cc1a4736d5c6bd1218f90805ee4, 4db2bd2ed4785dbadaeeab9f4e346b21ac5fb8eb |
| Linux/Linuxgeneric | 4.15 | Not reported |
Published upstream
Jun 25, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 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: Limit XDomain response copy to actual frame size tb_xdomain_copy() copies req->response_size bytes from the received packet buffer regardless of the actual frame size. When a short response arrives, this reads past the valid frame data in the DMA pool buffer into stale contents from previous transactions. Use the minimum of frame size and expected response size for the copy length.
Quoted source text, attributed separately from HOL analysis.