CVE-2026-43398drm/amdgpu: add upper bound check on user inputs in wait ioctl
Updated under an hour ago ()
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It affects Linux and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: add upper bound check on user inputs in wait ioctl Huge input values in amdgpu_userq_wait_ioctl can lead to a OOM and could be exploited. So check these input value against AMDGPU_USERQ_MAX_HANDLES which is big enough value for genuine use cases and could potentially avoid OOM. v2: squash in Srini's fix (cherry picked from commit fcec012c664247531aed3e662f4280ff804d1476)
- CVSS
- 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Analyzed
- Record last updated
- May 11, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from a292fdecd72834b3bec380baa5db1e69e7f70679 before b1d10508da559da2e0ca9cca6505094a7df948e1; from a292fdecd72834b3bec380baa5db1e69e7f70679 before 3cd93bc695b3456f26f5ed52753d9071da26202a; from a292fdecd72834b3bec380baa5db1e69e7f70679 before 64ac7c09fc44985ec9bb6a9db740899fa40ca613 | CNA record |
linux linux_kernel linux:linux_kernel | from 6.16 before 6.18.19; from 6.19 before 6.19.9; 7.0 | NVD |
References
- https://git.kernel.org/stable/c/b1d10508da559da2e0ca9cca6505094a7df948e1patch
- https://git.kernel.org/stable/c/3cd93bc695b3456f26f5ed52753d9071da26202apatch
- https://git.kernel.org/stable/c/64ac7c09fc44985ec9bb6a9db740899fa40ca613patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.