accel/rocket: clear rdev on device init failure

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-99210
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-28 11:17:42 UTC
Updated2026-10-28 11:17:42 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: accel/rocket: clear rdev on device init failure rocket_probe() stores the return value from rocket_device_init() in the file-scoped rdev pointer before checking whether it is an error pointer. If rocket_device_init() fails, rdev is left as an ERR_PTR. The rdev pointer is also used as the marker for whether the shared rocket device has already been initialized. A later core probe can therefore see a non-NULL rdev, skip rocket_device_init(), and dereference the error pointer when reading rdev->num_cores. Save the error code and clear rdev before returning from the rocket_device_init() failure path.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected ed98261b41687323ffa02ca20fef1e60b38fd1aa 79071b67182e1b352d51a3917729b8d424710b49 git Not specified
CNA Linux Linux affected ed98261b41687323ffa02ca20fef1e60b38fd1aa dd47a6c920083b069f00f0920e4566915a6aec46 git Not specified
CNA Linux Linux affected ed98261b41687323ffa02ca20fef1e60b38fd1aa 4ac852419f0d317c7bd8db5b8acb3cc78be7fe33 git Not specified
CNA Linux Linux affected 6.18 Not specified
CNA Linux Linux unaffected 6.18 semver Not specified
CNA Linux Linux unaffected 6.18.59 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.13 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/dd47a6c920083b069f00f0920e4566915a6aec46 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/4ac852419f0d317c7bd8db5b8acb3cc78be7fe33 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/79071b67182e1b352d51a3917729b8d424710b49 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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