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Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: add upper bound check on user inputs in signal ioctl Huge input values in amdgpu_userq_signal_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. (cherry picked from commit be267e15f99bc97cbe202cd556717797cdcf79a5)

PUBLISHED Reserved 2026-05-01 | Published 2026-05-08 | Updated 2026-05-08 | Assigner Linux

Product status

Default status
unaffected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 6fff5204d8aa26b1be50b6427f833bd3e8899c4f
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 46630d966b99b0fc6cb01fef4110587f3375a0c0
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before ea78f8c68f4f6211c557df49174c54d167821962
affected

Default status
affected

6.18.19 (semver)
unaffected

6.19.9 (semver)
unaffected

7.0 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/6fff5204d8aa26b1be50b6427f833bd3e8899c4f

git.kernel.org/...c/46630d966b99b0fc6cb01fef4110587f3375a0c0

git.kernel.org/...c/ea78f8c68f4f6211c557df49174c54d167821962

cve.org (CVE-2026-43400)

nvd.nist.gov (CVE-2026-43400)

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