CVE-2016-7097
Advisory lineage Upstream: 0 Downstream: 20
Modified
Published: 16 Oct 2016, 21:00
Last modified:06 Aug 2024, 01:50
Vulnerability Summary
Overall Risk (default)
low
18/100 CVSS Score
4.4 MEDIUM
v3.0 (nvd)
EPSS Score
0.05% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
16 Oct 2016, 21:00
Published
Vulnerability first disclosed
06 Aug 2024, 01:50
Last Modified
Vulnerability information updated
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.
CVSS Metrics
- v3.0•MEDIUM•Score: 4.4CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- v2.0•LOW•Score: 3.6AV:L/AC:L/Au:N/C:P/I:P/A:N
EPSS Trends
Current EPSS score: 0.05%• Percentile: 17%
Techniques & Countermeasures
- CWE-285•Improper Authorization
The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.
Affected Systems
- linux•linux_kernel
≤ 4.8.2
References (17)
- http://www.ubuntu.com/usn/USN-3146-2
- http://www.ubuntu.com/usn/USN-3146-1
- https://source.android.com/security/bulletin/2017-04-01
- http://www.securityfocus.com/bid/92659
- https://access.redhat.com/errata/RHSA-2017:2669
- http://www.spinics.net/lists/linux-fsdevel/msg98328.html
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=073931017b49d9458aa351605b43a7e34598caef
- http://www.openwall.com/lists/oss-security/2016/08/26/3
- http://rhn.redhat.com/errata/RHSA-2017-0817.html
- http://www.ubuntu.com/usn/USN-3147-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1368938
- https://github.com/torvalds/linux/commit/073931017b49d9458aa351605b43a7e34598caef
- https://access.redhat.com/errata/RHSA-2017:2077
- https://access.redhat.com/errata/RHSA-2017:1842
- http://marc.info/?l=linux-fsdevel&m=147162313630259&w=2
- http://www.securitytracker.com/id/1038201
- https://support.f5.com/csp/article/K31603170?utm_source=f5support&%3Butm_medium=RSS