Answer in brief
CVE-2025-40053 records a Unknown severity vulnerability in net: dlink: handle copy_thresh allocation failure. 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-2025-40053 records a Unknown severity vulnerability in net: dlink: handle copy_thresh allocation failure. 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.
A CVSS score is not reported in the current record. 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 | >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <84fd710a704f3d53d4120e452e86cea558cf73a8 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <5aa9b885602811a026a3f45c92ea2b4b04c54f09 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <9d49e4b14609e1a20d931e718962c4b6b5485174 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <ea87151df398d407a632c7bf63013290f01c5009 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <7ed5010fef0930f4322d620052edc854ef3ec41f || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <fd7b6b2c920d7fd370a612be416a904d6e1ebe55 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <8169a6011c5fecc6cb1c3654c541c567d3318de8 | 84fd710a704f3d53d4120e452e86cea558cf73a8, 5aa9b885602811a026a3f45c92ea2b4b04c54f09, 9d49e4b14609e1a20d931e718962c4b6b5485174, ea87151df398d407a632c7bf63013290f01c5009, 7ed5010fef0930f4322d620052edc854ef3ec41f, fd7b6b2c920d7fd370a612be416a904d6e1ebe55, 8169a6011c5fecc6cb1c3654c541c567d3318de8 |
| Linux/Linuxgeneric | 2.6.12 | Not reported |
Published upstream
Oct 28, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 5, 2026
In the Linux kernel, the following vulnerability has been resolved: net: dlink: handle copy_thresh allocation failure The driver did not handle failure of `netdev_alloc_skb_ip_align()`. If the allocation failed, dereferencing `skb->protocol` could lead to a NULL pointer dereference. This patch tries to allocate `skb`. If the allocation fails, it falls back to the normal path. Tested-on: D-Link DGE-550T Rev-A3
Quoted source text, attributed separately from HOL analysis.
A CVSS score is not reported in the current record. 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 | >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <84fd710a704f3d53d4120e452e86cea558cf73a8 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <5aa9b885602811a026a3f45c92ea2b4b04c54f09 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <9d49e4b14609e1a20d931e718962c4b6b5485174 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <ea87151df398d407a632c7bf63013290f01c5009 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <7ed5010fef0930f4322d620052edc854ef3ec41f || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <fd7b6b2c920d7fd370a612be416a904d6e1ebe55 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <8169a6011c5fecc6cb1c3654c541c567d3318de8 | 84fd710a704f3d53d4120e452e86cea558cf73a8, 5aa9b885602811a026a3f45c92ea2b4b04c54f09, 9d49e4b14609e1a20d931e718962c4b6b5485174, ea87151df398d407a632c7bf63013290f01c5009, 7ed5010fef0930f4322d620052edc854ef3ec41f, fd7b6b2c920d7fd370a612be416a904d6e1ebe55, 8169a6011c5fecc6cb1c3654c541c567d3318de8 |
| Linux/Linuxgeneric | 2.6.12 | Not reported |
Published upstream
Oct 28, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 5, 2026
In the Linux kernel, the following vulnerability has been resolved: net: dlink: handle copy_thresh allocation failure The driver did not handle failure of `netdev_alloc_skb_ip_align()`. If the allocation failed, dereferencing `skb->protocol` could lead to a NULL pointer dereference. This patch tries to allocate `skb`. If the allocation fails, it falls back to the normal path. Tested-on: D-Link DGE-550T Rev-A3
Quoted source text, attributed separately from HOL analysis.