GHSA-QWP9-8PWV-6HG4
Vulnerability from github – Published: 2022-05-24 17:43 – Updated: 2026-07-30 21:31An issue was discovered in the Linux kernel through 5.11.3. Certain iSCSI data structures do not have appropriate length constraints or checks, and can exceed the PAGE_SIZE value. An unprivileged user can send a Netlink message that is associated with iSCSI, and has a length up to the maximum length of a Netlink message.
{
"affected": [],
"aliases": [
"CVE-2021-27365"
],
"database_specific": {
"cwe_ids": [
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2021-03-07T05:15:00Z",
"severity": "HIGH"
},
"details": "An issue was discovered in the Linux kernel through 5.11.3. Certain iSCSI data structures do not have appropriate length constraints or checks, and can exceed the PAGE_SIZE value. An unprivileged user can send a Netlink message that is associated with iSCSI, and has a length up to the maximum length of a Netlink message.",
"id": "GHSA-qwp9-8pwv-6hg4",
"modified": "2026-07-30T21:31:20Z",
"published": "2022-05-24T17:43:49Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-27365"
},
{
"type": "WEB",
"url": "https://blog.grimm-co.com/2021/03/new-old-bugs-in-linux-kernel.html"
},
{
"type": "WEB",
"url": "https://bugzilla.suse.com/show_bug.cgi?id=1182715"
},
{
"type": "WEB",
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ec98ea7070e94cc25a422ec97d1421e28d97b7ee"
},
{
"type": "WEB",
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f9dbdf97a5bd92b1a49cee3d591b55b11fd7a6d5"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2021/03/msg00035.html"
},
{
"type": "WEB",
"url": "https://security.netapp.com/advisory/ntap-20210409-0001"
},
{
"type": "WEB",
"url": "https://www.openwall.com/lists/oss-security/2021/03/06/1"
},
{
"type": "WEB",
"url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
},
{
"type": "WEB",
"url": "http://packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-LSN-0075-1.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
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