4.4med
CVE-2016-7097
The filesystem implementation in the Linux kernel through 4.8.2 preserves the setgid bit during a setxattr call, which allows local users t…
Published 10 y ago · modified 4 mo ago · JSON
CVSS
4.4
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 34%
Public exploits
0
none known
Summary
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.
Exploit prediction (EPSS)
0.39% probability of exploitation in the next 30 days, higher than 34% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 4.4 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N |
| NVD | 2.0 | 3.6 | AV:L/AC:L/Au:N/C:P/I:P/A:N |
Classification
- Weakness
- CWE-285 Improper Authorization
- Technology feeds
- Linux kernel (RSS, critical only)
References
- ubuntu.com /usn/USN-3146-2 · vendor-advisory, x_refsource_UBUNTU, x_transferred
- ubuntu.com /usn/USN-3146-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
- source.android.com /security/bulletin/2017-04-01 · x_refsource_CONFIRM, x_transferred
- securityfocus.com /bid/92659 · vdb-entry, x_refsource_BID, x_transferred
- access.redhat.com /errata/RHSA-2017:2669 · vendor-advisory, x_refsource_REDHAT, x_transferred
- spinics.net /lists/linux-fsdevel/msg98328.html · mailing-list, x_refsource_MLIST, x_transferred
- git.kernel.org /cgit/linux/kernel/git/torvalds/linux.git/commit/?id=073931017b49d9458aa351605b43a7e34598c · x_refsource_CONFIRM, x_transferred
- openwall.com /lists/oss-security/2016/08/26/3 · mailing-list, x_refsource_MLIST, x_transferred
- rhn.redhat.com /errata/RHSA-2017-0817.html · vendor-advisory, x_refsource_REDHAT, x_transferred
- ubuntu.com /usn/USN-3147-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
- bugzilla.redhat.com /show_bug.cgi?id=1368938 · x_refsource_CONFIRM, x_transferred
- github.com /torvalds/linux/commit/073931017b49d9458aa351605b43a7e34598caef · x_refsource_CONFIRM, x_transferred
- access.redhat.com /errata/RHSA-2017:2077 · vendor-advisory, x_refsource_REDHAT, x_transferred
- access.redhat.com /errata/RHSA-2017:1842 · vendor-advisory, x_refsource_REDHAT, x_transferred
- marc.info /?l=linux-fsdevel&m=147162313630259&w=2 · mailing-list, x_refsource_MLIST, x_transferred
- securitytracker.com /id/1038201 · vdb-entry, x_refsource_SECTRACK, x_transferred
- support.f5.com /csp/article/K31603170?utm_source=f5support&%3Butm_medium=RSS · x_refsource_CONFIRM, x_transferred
Sources
- CVE List: CVE-2016-7097
- NVD: CVE-2016-7097
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