ghsa-3c5r-q6c5-xr2g
Vulnerability from github
Published
2022-05-14 02:03
Modified
2022-05-14 02:03
Severity
Details
The ext4_iget function in fs/ext4/inode.c in the Linux kernel through 4.15.15 mishandles the case of a root directory with a zero i_links_count, which allows attackers to cause a denial of service (ext4_process_freed_data NULL pointer dereference and OOPS) via a crafted ext4 image.
{
"affected": [],
"aliases": [
"CVE-2018-1092"
],
"database_specific": {
"cwe_ids": [
"CWE-476"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2018-04-02T03:29:00Z",
"severity": "HIGH"
},
"details": "The ext4_iget function in fs/ext4/inode.c in the Linux kernel through 4.15.15 mishandles the case of a root directory with a zero i_links_count, which allows attackers to cause a denial of service (ext4_process_freed_data NULL pointer dereference and OOPS) via a crafted ext4 image.",
"id": "GHSA-3c5r-q6c5-xr2g",
"modified": "2022-05-14T02:03:05Z",
"published": "2022-05-14T02:03:05Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-1092"
},
{
"type": "WEB",
"url": "https://www.debian.org/security/2018/dsa-4188"
},
{
"type": "WEB",
"url": "https://www.debian.org/security/2018/dsa-4187"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3754-1"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3678-4"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3678-3"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3678-2"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3678-1"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3677-2"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3677-1"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3676-2"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3676-1"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html"
},
{
"type": "WEB",
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=8e4b5eae5decd9dfe5a4ee369c22028f90ab4c44"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1560777"
},
{
"type": "WEB",
"url": "https://bugzilla.kernel.org/show_bug.cgi?id=199275"
},
{
"type": "WEB",
"url": "https://bugzilla.kernel.org/show_bug.cgi?id=199179"
},
{
"type": "WEB",
"url": "https://access.redhat.com/security/cve/CVE-2018-1092"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2018:3096"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2018:3083"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2018:2948"
},
{
"type": "WEB",
"url": "http://openwall.com/lists/oss-security/2018/03/29/1"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
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