Answer in brief
CVE-2026-63881 records a Unknown severity vulnerability in drm/amdkfd: fix a vulnerability of integer overflow in kfd debugger. 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 | >=a70a93fa568b4f05aba548dadb673703eccf5480 <4e5f808b454167cc58d7084a407a554d8ddc694d || >=a70a93fa568b4f05aba548dadb673703eccf5480 <de70a80992396ee306ee3a2810ad28aa1608ba9b || >=a70a93fa568b4f05aba548dadb673703eccf5480 <5cf4a41aa0d74e4c83f82d2ce233b5189ed4b43c || >=a70a93fa568b4f05aba548dadb673703eccf5480 <4f9eeedc3d3151f8a226fd676c314a813edda5a1 || >=a70a93fa568b4f05aba548dadb673703eccf5480 <93f5534b35a05ef8a0109c1eefa800062fee810a | 4e5f808b454167cc58d7084a407a554d8ddc694d, de70a80992396ee306ee3a2810ad28aa1608ba9b, 5cf4a41aa0d74e4c83f82d2ce233b5189ed4b43c, 4f9eeedc3d3151f8a226fd676c314a813edda5a1, 93f5534b35a05ef8a0109c1eefa800062fee810a |
| Linux/Linuxgeneric | 6.5 | Not reported |
Published upstream
Jul 19, 2026
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: drm/amdkfd: fix a vulnerability of integer overflow in kfd debugger get_queue_ids() computes array_size = num_queues * sizeof(uint32_t), which could overflow on 32-bit size_t build. using array_size() instead, it saturates to SIZE_MAX on overflow. (cherry picked from commit 2d57a0475f085c08b49312dfd8edcb461845f285)
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-63881 records a Unknown severity vulnerability in drm/amdkfd: fix a vulnerability of integer overflow in kfd debugger. 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 | >=a70a93fa568b4f05aba548dadb673703eccf5480 <4e5f808b454167cc58d7084a407a554d8ddc694d || >=a70a93fa568b4f05aba548dadb673703eccf5480 <de70a80992396ee306ee3a2810ad28aa1608ba9b || >=a70a93fa568b4f05aba548dadb673703eccf5480 <5cf4a41aa0d74e4c83f82d2ce233b5189ed4b43c || >=a70a93fa568b4f05aba548dadb673703eccf5480 <4f9eeedc3d3151f8a226fd676c314a813edda5a1 || >=a70a93fa568b4f05aba548dadb673703eccf5480 <93f5534b35a05ef8a0109c1eefa800062fee810a | 4e5f808b454167cc58d7084a407a554d8ddc694d, de70a80992396ee306ee3a2810ad28aa1608ba9b, 5cf4a41aa0d74e4c83f82d2ce233b5189ed4b43c, 4f9eeedc3d3151f8a226fd676c314a813edda5a1, 93f5534b35a05ef8a0109c1eefa800062fee810a |
| Linux/Linuxgeneric | 6.5 | Not reported |
Published upstream
Jul 19, 2026
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: drm/amdkfd: fix a vulnerability of integer overflow in kfd debugger get_queue_ids() computes array_size = num_queues * sizeof(uint32_t), which could overflow on 32-bit size_t build. using array_size() instead, it saturates to SIZE_MAX on overflow. (cherry picked from commit 2d57a0475f085c08b49312dfd8edcb461845f285)
Quoted source text, attributed separately from HOL analysis.