CVE - CVE-2016-7097

CVE-ID
CVE-2016-7097	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
The filesystem implementation in the Linux kernel through 4.8.2 preserves the setgid bit during a setxattr call, which allows local users to gain group privileges by leveraging the existence of a setgid program with restrictions on execute permissions.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:1038201 URL:http://www.securitytracker.com/id/1038201 MISC:92659 URL:http://www.securityfocus.com/bid/92659 MISC:RHSA-2017:0817 URL:http://rhn.redhat.com/errata/RHSA-2017-0817.html MISC:RHSA-2017:1842 URL:https://access.redhat.com/errata/RHSA-2017:1842 MISC:RHSA-2017:2077 URL:https://access.redhat.com/errata/RHSA-2017:2077 MISC:RHSA-2017:2669 URL:https://access.redhat.com/errata/RHSA-2017:2669 MISC:USN-3146-1 URL:http://www.ubuntu.com/usn/USN-3146-1 MISC:USN-3146-2 URL:http://www.ubuntu.com/usn/USN-3146-2 MISC:USN-3147-1 URL:http://www.ubuntu.com/usn/USN-3147-1 MISC:[linux-fsdevel] 20160526 [PATCH 2/2] posix_acl: Clear SGID bit when modifying file permissions URL:http://www.spinics.net/lists/linux-fsdevel/msg98328.html MISC:[linux-fsdevel] 20160819 [PATCH v2] posix_acl: Clear SGID bit when setting file permissions URL:http://marc.info/?l=linux-fsdevel&m=147162313630259&w=2 MISC:[oss-security] 20160826 Re: CVE request -- linux kernel: Setting a POSIX ACL via setxattr doesn't clear the setgid bit URL:http://www.openwall.com/lists/oss-security/2016/08/26/3 MISC:http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=073931017b49d9458aa351605b43a7e34598caef URL:http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=073931017b49d9458aa351605b43a7e34598caef MISC:https://bugzilla.redhat.com/show_bug.cgi?id=1368938 URL:https://bugzilla.redhat.com/show_bug.cgi?id=1368938 MISC:https://github.com/torvalds/linux/commit/073931017b49d9458aa351605b43a7e34598caef URL:https://github.com/torvalds/linux/commit/073931017b49d9458aa351605b43a7e34598caef MISC:https://source.android.com/security/bulletin/2017-04-01 URL:https://source.android.com/security/bulletin/2017-04-01 MISC:https://support.f5.com/csp/article/K31603170?utm_source=f5support&amp%3Butm_medium=RSS URL:https://support.f5.com/csp/article/K31603170?utm_source=f5support&amp%3Butm_medium=RSS
Assigning CNA
Red Hat, Inc.
Date Record Created
20160826	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20160826)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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