CVE-2016-5828
Description
The start_thread function in arch/powerpc/kernel/process.c in the Linux kernel through 4.6.3 on powerpc platforms mishandles transactional state, which allows local users to cause a denial of service (invalid process state or TM Bad Thing exception, and system crash) or possibly have unspecified other impact by starting and suspending a transaction before an exec system call.
Predictions
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 โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ 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 | 4.6.3-1 |
| debian | bullseye | fixed | 4.6.3-1 |
| debian | forky | fixed | 4.6.3-1 |
| debian | sid | fixed | 4.6.3-1 |
| debian | trixie | fixed | 4.6.3-1 |
| linux-kernel | affected | 3.10.103 | |
| ubuntu | 12.04 | affected | |
| ubuntu | 14.04 | affected | |
| ubuntu | 16.04 | affected | |
| debian | 8.0 | affected | |
References
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html
- http://rhn.redhat.com/errata/RHSA-2016-2574.html
- http://www.debian.org/security/2016/dsa-3616
- http://www.openwall.com/lists/oss-security/2016/06/25/7
- http://www.securityfocus.com/bid/91415
- 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
- http://www.ubuntu.com/usn/USN-3071-1
- http://www.ubuntu.com/usn/USN-3071-2
- https://patchwork.ozlabs.org/patch/636776/
- https://www.suse.com/security/cve/CVE-2016-5828.html
- https://security-tracker.debian.org/tracker/CVE-2016-5828
CWEs
CWE-20
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.