CVE-2016-2069
high
CVSS v3
7.4
CVSS v4 NEW
—
VIR risk
7.4
Description
Race condition in arch/x86/mm/tlb.c in the Linux kernel before 4.4.1 allows local users to gain privileges by triggering access to a paging structure by a different CPU.
Predictions
Exploit likelihood
72%
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 | 4.3.5-1 |
| debian | bullseye | fixed | 4.3.5-1 |
| debian | forky | fixed | 4.3.5-1 |
| debian | sid | fixed | 4.3.5-1 |
| debian | trixie | fixed | 4.3.5-1 |
| ubuntu | 12.04 | affected | |
| ubuntu | 14.04 | affected | |
| linux-kernel | affected | |
References
- https://www.suse.com/security/cve/CVE-2016-2069.html
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=71b3c126e61177eb693423f2e18a1914205b165e
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
- http://rhn.redhat.com/errata/RHSA-2016-2574.html
- http://rhn.redhat.com/errata/RHSA-2016-2584.html
- http://rhn.redhat.com/errata/RHSA-2017-0817.html
- http://www.debian.org/security/2016/dsa-3503
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1
- http://www.openwall.com/lists/oss-security/2016/01/25/1
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
- http://www.securityfocus.com/bid/81809
- http://www.ubuntu.com/usn/USN-2931-1
- http://www.ubuntu.com/usn/USN-2932-1
- http://www.ubuntu.com/usn/USN-2967-1
- http://www.ubuntu.com/usn/USN-2967-2
- http://www.ubuntu.com/usn/USN-2989-1
- http://www.ubuntu.com/usn/USN-2998-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1301893
- https://github.com/torvalds/linux/commit/71b3c126e61177eb693423f2e18a1914205b165e
- https://security-tracker.debian.org/tracker/CVE-2016-2069
CWEs
CWE-362
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.