CVE-2016-1237
medium
CVSS v3
5.5
CVSS v4 NEW
—
VIR risk
5.5
Description
nfsd in the Linux kernel through 4.6.3 allows local users to bypass intended file-permission restrictions by setting a POSIX ACL, related to nfs2acl.c, nfs3acl.c, and nfs4acl.c.
Predictions
Exploit likelihood
55%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 4.6.2-2 |
| debian | bullseye | fixed | 4.6.2-2 |
| debian | forky | fixed | 4.6.2-2 |
| debian | sid | fixed | 4.6.2-2 |
| debian | trixie | fixed | 4.6.2-2 |
| linux-kernel | affected | |
References
- https://www.suse.com/security/cve/CVE-2016-1237.html
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=999653786df6954a31044528ac3f7a5dadca08f4
- http://www.debian.org/security/2016/dsa-3607
- http://www.openwall.com/lists/oss-security/2016/06/25/2
- http://www.securityfocus.com/bid/91456
- http://www.ubuntu.com/usn/USN-3053-1
- http://www.ubuntu.com/usn/USN-3070-1
- http://www.ubuntu.com/usn/USN-3070-2
- http://www.ubuntu.com/usn/USN-3070-3
- http://www.ubuntu.com/usn/USN-3070-4
- https://bugzilla.redhat.com/show_bug.cgi?id=1350845
- https://github.com/torvalds/linux/commit/999653786df6954a31044528ac3f7a5dadca08f4
- https://security-tracker.debian.org/tracker/CVE-2016-1237
CWEs
CWE-284
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.