ghsa-553f-pjfm-rx99
Vulnerability from github
Published
2022-05-14 00:58
Modified
2022-05-14 00:58
Severity
Details
The Linux kernel before 4.8 allows local users to bypass ASLR on setuid programs (such as /bin/su) because install_exec_creds() is called too late in load_elf_binary() in fs/binfmt_elf.c, and thus the ptrace_may_access() check has a race condition when reading /proc/pid/stat.
{
"affected": [],
"aliases": [
"CVE-2019-11190"
],
"database_specific": {
"cwe_ids": [
"CWE-362"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2019-04-12T00:29:00Z",
"severity": "MODERATE"
},
"details": "The Linux kernel before 4.8 allows local users to bypass ASLR on setuid programs (such as /bin/su) because install_exec_creds() is called too late in load_elf_binary() in fs/binfmt_elf.c, and thus the ptrace_may_access() check has a race condition when reading /proc/pid/stat.",
"id": "GHSA-553f-pjfm-rx99",
"modified": "2022-05-14T00:58:54Z",
"published": "2022-05-14T00:58:54Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-11190"
},
{
"type": "WEB",
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/commit/?id=a5b5352558f6808db0589644ea5401b3e3148a0d"
},
{
"type": "WEB",
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/commit/?id=e1676b55d874a43646e8b2c46d87f2f3e45516ff"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2019/05/msg00041.html"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2019/05/msg00042.html"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/4008-1"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/4008-2"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/4008-3"
},
{
"type": "WEB",
"url": "https://www.openwall.com/lists/oss-security/2019/04/03/4"
},
{
"type": "WEB",
"url": "https://www.openwall.com/lists/oss-security/2019/04/03/4/1"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html"
},
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2019/04/15/1"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/107890"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
}
]
}
Loading...