CVE-2016-7097

medium

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

Advisories
More

https://github.com/torvalds/linux/commit/073931017b49d9458aa351605b43a7e34598caef

https://bugzilla.redhat.com/show_bug.cgi?id=1368938

http://www.spinics.net/lists/linux-fsdevel/msg98328.html

https://support.f5.com/csp/article/K31603170?utm_source=f5support&amp%3Butm_medium=RSS

https://source.android.com/security/bulletin/2017-04-01

https://access.redhat.com/errata/RHSA-2017:2669

https://access.redhat.com/errata/RHSA-2017:2077

https://access.redhat.com/errata/RHSA-2017:1842

http://www.ubuntu.com/usn/USN-3147-1

http://www.ubuntu.com/usn/USN-3146-2

http://www.ubuntu.com/usn/USN-3146-1

http://www.securitytracker.com/id/1038201

http://www.securityfocus.com/bid/92659

http://www.openwall.com/lists/oss-security/2016/08/26/3

http://rhn.redhat.com/errata/RHSA-2017-0817.html

http://marc.info/?l=linux-fsdevel&m=147162313630259&w=2

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=073931017b49d9458aa351605b43a7e34598caef

Details

Source: Mitre, NVD

Published: 2016-10-16

Updated: 2025-04-12

Risk Information

CVSS v2

Base Score: 3.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:N

Severity: Low

CVSS v3

Base Score: 4.4

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Severity: Medium

EPSS

EPSS: 0.0004