Vulnerability · CVE-2026-46197
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 si…
Published May 28, 2026 · catalog updated Oct 16, 2026 · linux kernel
Check if you run it
No confirmed exploitation is on record for CVE-2026-46197. EPSS is 0.18%. Act only if a listed version of linux kernel is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- High7.8
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.18%
- Remediation
- Advisory link
- Affected products
- cpe linux/linux kernel
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)
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe linux/linux kernel7.1
How to fix CVE-2026-46197
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-46197. EPSS is 0.18%. Act only if a listed version of linux kernel is installed.
Which versions are affected?
Compare what you have installed with linux/linux kernel 7.1. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-787: Out-of-bounds Write. EPSS 0.18%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
May 28, 2026 · NIST NVD
Detected
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)
Oct 16, 2026 · NIST NVD
Updated
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)
Sources
- CVE.orgVulnerability recordCVE-2026-46197
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-46197
30-day exploitation probability 0.2%
first.org - NIST NVDVulnerability recordCVE-2026-46197
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 5ec
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.