Answer in brief
CVE-2026-46197 records a High severity (CVSS 7.8) vulnerability in drm/amdkfd: validate SVM ioctl nattr against buffer 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 7.8. 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.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=42de677f79999791bee4e21be318c32d90ab62c6 <daa8bc5f83814b55b71d2b5b3a090d57a5219c21 || >=42de677f79999791bee4e21be318c32d90ab62c6 <fb07a0c9c8419164812e07274947f11b1d92dd61 || >=42de677f79999791bee4e21be318c32d90ab62c6 <91c6dc5a41695d02dfc6299f106ac38a6c493e52 || >=42de677f79999791bee4e21be318c32d90ab62c6 <ccd060b5c7cc75ae7e211c250b97c5b6272e7efc || >=42de677f79999791bee4e21be318c32d90ab62c6 <db9530a9873a7c85d2266a922589ebcf427fa631 || >=42de677f79999791bee4e21be318c32d90ab62c6 <6abd3a4417cb73a7d0db7e25bf11fae1074bdba3 || >=42de677f79999791bee4e21be318c32d90ab62c6 <045e0ff208f0838a246c10204105126611b267a1 | daa8bc5f83814b55b71d2b5b3a090d57a5219c21, fb07a0c9c8419164812e07274947f11b1d92dd61, 91c6dc5a41695d02dfc6299f106ac38a6c493e52, ccd060b5c7cc75ae7e211c250b97c5b6272e7efc, db9530a9873a7c85d2266a922589ebcf427fa631, 6abd3a4417cb73a7d0db7e25bf11fae1074bdba3, 045e0ff208f0838a246c10204105126611b267a1 |
| Linux/Linuxgeneric | 5.14 | Not reported |
Published upstream
May 28, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 19, 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: validate SVM ioctl nattr against buffer size Validate nattr field against the buffer size, preventing out-of-bounds buffer access via user-controlled attribute count. (cherry picked from commit 5eca8bfdfa456c3304ca77523718fe24254c172f)
Quoted source text, attributed separately from HOL analysis.