ghsa-rh28-76xv-jcqc
Vulnerability from github
Published
2022-03-26 00:00
Modified
2022-04-08 00:00
Severity
Details
A use-after-free read flaw was found in sock_getsockopt() in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS race with listen() (and connect()) in the Linux kernel. In this flaw, an attacker with a user privileges may crash the system or leak internal kernel information.
{
"affected": [],
"aliases": [
"CVE-2021-4203"
],
"database_specific": {
"cwe_ids": [
"CWE-362"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2022-03-25T19:15:00Z",
"severity": "MODERATE"
},
"details": "A use-after-free read flaw was found in sock_getsockopt() in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS race with listen() (and connect()) in the Linux kernel. In this flaw, an attacker with a user privileges may crash the system or leak internal kernel information.",
"id": "GHSA-rh28-76xv-jcqc",
"modified": "2022-04-08T00:00:39Z",
"published": "2022-03-26T00:00:30Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-4203"
},
{
"type": "WEB",
"url": "https://bugs.chromium.org/p/project-zero/issues/detail?id=2230\u0026can=7\u0026q=modified-after%3Atoday-30\u0026sort=-modified\u0026colspec=ID%20Type%20Status%20Priority%20Milestone%20Owner%20Summary%20Modified%20Cve\u0026cells=tiles\u0026redir=1"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2036934"
},
{
"type": "WEB",
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=35306eb23814"
},
{
"type": "WEB",
"url": "https://lore.kernel.org/netdev/20210929225750.2548112-1-eric.dumazet@gmail.com/T"
},
{
"type": "WEB",
"url": "https://security.netapp.com/advisory/ntap-20221111-0003"
},
{
"type": "WEB",
"url": "https://www.oracle.com/security-alerts/cpujul2022.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H",
"type": "CVSS_V3"
}
]
}
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