GHSA-CP4F-3979-2G6X
Vulnerability from github – Published: 2024-07-30 09:31 – Updated: 2024-07-30 09:31In the Linux kernel, the following vulnerability has been resolved:
igc: fix a log entry using uninitialized netdev
During successful probe, igc logs this:
[ 5.133667] igc 0000:01:00.0 (unnamed net_device) (uninitialized): PHC added ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ The reason is that igc_ptp_init() is called very early, even before register_netdev() has been called. So the netdev_info() call works on a partially uninitialized netdev.
Fix this by calling igc_ptp_init() after register_netdev(), right after the media autosense check, just as in igb. Add a comment, just as in igb.
Now the log message is fine:
[ 5.200987] igc 0000:01:00.0 eth0: PHC added
{
"affected": [],
"aliases": [
"CVE-2024-42116"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-07-30T08:15:03Z",
"severity": null
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nigc: fix a log entry using uninitialized netdev\n\nDuring successful probe, igc logs this:\n\n[ 5.133667] igc 0000:01:00.0 (unnamed net_device) (uninitialized): PHC added\n ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\nThe reason is that igc_ptp_init() is called very early, even before\nregister_netdev() has been called. So the netdev_info() call works\non a partially uninitialized netdev.\n\nFix this by calling igc_ptp_init() after register_netdev(), right\nafter the media autosense check, just as in igb. Add a comment,\njust as in igb.\n\nNow the log message is fine:\n\n[ 5.200987] igc 0000:01:00.0 eth0: PHC added",
"id": "GHSA-cp4f-3979-2g6x",
"modified": "2024-07-30T09:31:52Z",
"published": "2024-07-30T09:31:52Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-42116"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/86167183a17e03ec77198897975e9fdfbd53cb0b"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/96839f3f588236593de36465f142b0126267f8b6"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/98c8958980e829f023a490b9a9816ca1fe2f8b79"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/991f036cabc3d13e886a37faeea1b6800181fdda"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/d478ec838cf2b1e1051a8709cfc744fe1c03110f"
}
],
"schema_version": "1.4.0",
"severity": []
}
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