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CVE-2015-8709 Details

Description

kernel/ptrace.c in the Linux kernel through 4.4.1 mishandles uid and gid mappings, which allows local users to gain privileges by establishing a user namespace, waiting for a root process to enter that namespace with an unsafe uid or gid, and then using the ptrace system call. NOTE: the vendor states "there is no kernel bug here.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7 HIGHVector:CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html	CVE
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html	CVE
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00019.html	CVE
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00025.html	CVE
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00026.html	CVE
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00027.html	CVE
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00028.html	CVE
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00029.html	CVE
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00030.html	CVE
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00031.html	CVE
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00032.html	CVE
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00033.html	CVE
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00034.html	CVE
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00036.html	CVE
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00037.html	CVE
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html	CVE
http://marc.info/?l=linux-kernel&m=145204362722256&w=2	CVE
http://marc.info/?l=linux-kernel&m=145204641422813&w=2	CVE
https://bugzilla.redhat.com/show_bug.cgi?id=1295287	CVE
https://lkml.org/lkml/2015/12/25/71	CVE
http://www.debian.org/security/2016/dsa-3434	CVE
http://www.openwall.com/lists/oss-security/2015/12/17/12	CVE
http://www.openwall.com/lists/oss-security/2015/12/31/5	CVE
http://www.securityfocus.com/bid/79899	CVE
http://www.securitytracker.com/id/1034899	CVE
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html	[email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html	[email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00019.html	[email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00025.html	[email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00026.html	[email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00027.html	[email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00028.html	[email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00029.html	[email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00030.html	[email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00031.html	[email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00032.html	[email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00033.html	[email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00034.html	[email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00036.html	[email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00037.html	[email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html	[email protected]
http://marc.info/?l=linux-kernel&m=145204362722256&w=2	[email protected]
http://marc.info/?l=linux-kernel&m=145204641422813&w=2	[email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1295287	[email protected]
https://lkml.org/lkml/2015/12/25/71	[email protected]
http://www.debian.org/security/2016/dsa-3434	[email protected]
http://www.openwall.com/lists/oss-security/2015/12/17/12	[email protected]
http://www.openwall.com/lists/oss-security/2015/12/31/5	[email protected]
http://www.securityfocus.com/bid/79899	[email protected]
http://www.securitytracker.com/id/1034899	[email protected]

see all 50 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-264	Permissions, Privileges, and Access Controls	[email protected]

Affected Products

Product	Versions
linux linux kernel	<= 4.4.1
CPE cpe:2.3:o:linux:linux_kernel:::::::: Remediation No remediation found in references.

Change History

17 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
May 6, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
Aug 6, 2024	CVE Modified	[email protected]
May 17, 2024	CVE Modified	[email protected]
May 14, 2024	CVE Modified	[email protected]
Apr 11, 2024	CVE Modified	[email protected]
Mar 21, 2024	CVE Modified	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Nov 4, 2017	CVE Modified	[email protected]
Mar 3, 2017	CVE Modified	[email protected]
Dec 6, 2016	CVE Modified	[email protected]
Dec 3, 2016	CVE Modified	[email protected]
Dec 1, 2016	CVE Modified	[email protected]
Aug 12, 2016	CVE Modified	[email protected]
Feb 25, 2016	Modified Analysis	[email protected]
Feb 24, 2016	Initial Analysis	[email protected]