GHSA-7Q2Q-XJHR-934R
Vulnerability from github – Published: 2026-10-28 12:31 – Updated: 2026-10-28 12:31In 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.
{
"affected": [],
"aliases": [
"CVE-2026-99210"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-10-28T11:17:42Z",
"severity": null
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\naccel/rocket: clear rdev on device init failure\n\nrocket_probe() stores the return value from rocket_device_init() in the\nfile-scoped rdev pointer before checking whether it is an error pointer.\nIf rocket_device_init() fails, rdev is left as an ERR_PTR.\n\nThe rdev pointer is also used as the marker for whether the shared rocket\ndevice has already been initialized. A later core probe can therefore see\na non-NULL rdev, skip rocket_device_init(), and dereference the error\npointer when reading rdev-\u003enum_cores.\n\nSave the error code and clear rdev before returning from the\nrocket_device_init() failure path.",
"id": "GHSA-7q2q-xjhr-934r",
"modified": "2026-10-28T12:31:08Z",
"published": "2026-10-28T12:31:08Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-99210"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/4ac852419f0d317c7bd8db5b8acb3cc78be7fe33"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/79071b67182e1b352d51a3917729b8d424710b49"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/dd47a6c920083b069f00f0920e4566915a6aec46"
}
],
"schema_version": "1.4.0",
"severity": []
}
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