GHSA-X8FW-RVR9-2HX5
Vulnerability from github – Published: 2024-07-30 09:31 – Updated: 2025-01-08 21:32In the Linux kernel, the following vulnerability has been resolved:
ice: Don't process extts if PTP is disabled
The ice_ptp_extts_event() function can race with ice_ptp_release() and result in a NULL pointer dereference which leads to a kernel panic.
Panic occurs because the ice_ptp_extts_event() function calls ptp_clock_event() with a NULL pointer. The ice driver has already released the PTP clock by the time the interrupt for the next external timestamp event occurs.
To fix this, modify the ice_ptp_extts_event() function to check the PTP state and bail early if PTP is not ready.
{
"affected": [],
"aliases": [
"CVE-2024-42107"
],
"database_specific": {
"cwe_ids": [
"CWE-367"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-07-30T08:15:03Z",
"severity": "MODERATE"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nice: Don\u0027t process extts if PTP is disabled\n\nThe ice_ptp_extts_event() function can race with ice_ptp_release() and\nresult in a NULL pointer dereference which leads to a kernel panic.\n\nPanic occurs because the ice_ptp_extts_event() function calls\nptp_clock_event() with a NULL pointer. The ice driver has already\nreleased the PTP clock by the time the interrupt for the next external\ntimestamp event occurs.\n\nTo fix this, modify the ice_ptp_extts_event() function to check the\nPTP state and bail early if PTP is not ready.",
"id": "GHSA-x8fw-rvr9-2hx5",
"modified": "2025-01-08T21:32:23Z",
"published": "2024-07-30T09:31:51Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-42107"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/1c4e524811918600683b1ea87a5e0fc2db64fa9b"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/996422e3230e41468f652d754fefd1bdbcd4604e"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
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