GHSA-J563-GW8P-23MQ
Vulnerability from github – Published: 2024-05-01 06:31 – Updated: 2024-06-03 18:55In the Linux kernel, the following vulnerability has been resolved:
net: phy: qcom: at803x: fix kernel panic with at8031_probe
On reworking and splitting the at803x driver, in splitting function of at803x PHYs it was added a NULL dereference bug where priv is referenced before it's actually allocated and then is tried to write to for the is_1000basex and is_fiber variables in the case of at8031, writing on the wrong address.
Fix this by correctly setting priv local variable only after at803x_probe is called and actually allocates priv in the phydev struct.
{
"affected": [],
"aliases": [
"CVE-2024-26942"
],
"database_specific": {
"cwe_ids": [
"CWE-362",
"CWE-476"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-05-01T06:15:09Z",
"severity": "MODERATE"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: phy: qcom: at803x: fix kernel panic with at8031_probe\n\nOn reworking and splitting the at803x driver, in splitting function of\nat803x PHYs it was added a NULL dereference bug where priv is referenced\nbefore it\u0027s actually allocated and then is tried to write to for the\nis_1000basex and is_fiber variables in the case of at8031, writing on\nthe wrong address.\n\nFix this by correctly setting priv local variable only after\nat803x_probe is called and actually allocates priv in the phydev struct.",
"id": "GHSA-j563-gw8p-23mq",
"modified": "2024-06-03T18:55:50Z",
"published": "2024-05-01T06:31:41Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-26942"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/6a4aee277740d04ac0fd54cfa17cc28261932ddc"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/a8a296ad9957b845b89bcf48be1cf8c74875ecc3"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
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