ghsa-87j5-gppq-mq6h
Vulnerability from github
Published
2022-05-24 16:50
Modified
2024-07-24 18:31
Severity ?
Details
In the Linux kernel before 5.1.17, ptrace_link in kernel/ptrace.c mishandles the recording of the credentials of a process that wants to create a ptrace relationship, which allows local users to obtain root access by leveraging certain scenarios with a parent-child process relationship, where a parent drops privileges and calls execve (potentially allowing control by an attacker). One contributing factor is an object lifetime issue (which can also cause a panic). Another contributing factor is incorrect marking of a ptrace relationship as privileged, which is exploitable through (for example) Polkit's pkexec helper with PTRACE_TRACEME.
{
"affected": [],
"aliases": [
"CVE-2019-13272"
],
"database_specific": {
"cwe_ids": [
"CWE-269"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2019-07-17T13:15:00Z",
"severity": "HIGH"
},
"details": "In the Linux kernel before 5.1.17, ptrace_link in kernel/ptrace.c mishandles the recording of the credentials of a process that wants to create a ptrace relationship, which allows local users to obtain root access by leveraging certain scenarios with a parent-child process relationship, where a parent drops privileges and calls execve (potentially allowing control by an attacker). One contributing factor is an object lifetime issue (which can also cause a panic). Another contributing factor is incorrect marking of a ptrace relationship as privileged, which is exploitable through (for example) Polkit\u0027s pkexec helper with PTRACE_TRACEME.",
"id": "GHSA-87j5-gppq-mq6h",
"modified": "2024-07-24T18:31:14Z",
"published": "2022-05-24T16:50:31Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-13272"
},
{
"type": "WEB",
"url": "https://github.com/torvalds/linux/commit/6994eefb0053799d2e07cd140df6c2ea106c41ee"
},
{
"type": "WEB",
"url": "https://www.debian.org/security/2019/dsa-4484"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/4118-1"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/4117-1"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/4095-1"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/4094-1"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/4093-1"
},
{
"type": "WEB",
"url": "https://support.f5.com/csp/article/K91025336?utm_source=f5support\u0026amp;utm_medium=RSS"
},
{
"type": "WEB",
"url": "https://support.f5.com/csp/article/K91025336?utm_source=f5support\u0026amp%3Butm_medium=RSS"
},
{
"type": "WEB",
"url": "https://support.f5.com/csp/article/K91025336"
},
{
"type": "WEB",
"url": "https://security.netapp.com/advisory/ntap-20190806-0001"
},
{
"type": "WEB",
"url": "https://seclists.org/bugtraq/2019/Jul/33"
},
{
"type": "WEB",
"url": "https://seclists.org/bugtraq/2019/Jul/30"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OGRK5LYWBJ4E4SRI4DKX367NHYSI3VOH"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OGRK5LYWBJ4E4SRI4DKX367NHYSI3VOH"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2019/07/msg00023.html"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2019/07/msg00022.html"
},
{
"type": "WEB",
"url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6994eefb0053799d2e07cd140df6c2ea106c41ee"
},
{
"type": "WEB",
"url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.17"
},
{
"type": "WEB",
"url": "https://bugzilla.suse.com/show_bug.cgi?id=1140671"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1730895"
},
{
"type": "WEB",
"url": "https://bugs.chromium.org/p/project-zero/issues/detail?id=1903"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2019:2809"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2019:2411"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2019:2405"
},
{
"type": "WEB",
"url": "http://packetstormsecurity.com/files/153663/Linux-PTRACE_TRACEME-Broken-Permission-Object-Lifetime-Handling.html"
},
{
"type": "WEB",
"url": "http://packetstormsecurity.com/files/153702/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html"
},
{
"type": "WEB",
"url": "http://packetstormsecurity.com/files/154245/Kernel-Live-Patch-Security-Notice-LSN-0054-1.html"
},
{
"type": "WEB",
"url": "http://packetstormsecurity.com/files/154957/Linux-Polkit-pkexec-Helper-PTRACE_TRACEME-Local-Root.html"
},
{
"type": "WEB",
"url": "http://packetstormsecurity.com/files/156929/Linux-PTRACE_TRACEME-Local-Root.html"
},
{
"type": "WEB",
"url": "http://packetstormsecurity.com/files/165051/Linux-Kernel-5.1.x-PTRACE_TRACEME-pkexec-Local-Privilege-Escalation.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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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
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- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.