CVE-2017-1000379
Description
The Linux Kernel running on AMD64 systems will sometimes map the contents of PIE executable, the heap or ld.so to where the stack is mapped allowing attackers to more easily manipulate the stack. Linux Kernel version 4.11.5 is affected.
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.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
Linux Kernel (Debian 7.7/8.5/9.0 / Ubuntu 14.04.2/16.04.2/17.04 / Fedora 22/25 / CentOS 7.3.1611) - 'ldso_hwcap_64 Stack Clash' Local Privilege Escalation
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| arch | fixed | 4.9.34-1 | |
| debian | bookworm | fixed | 4.11.6-1 |
| debian | bullseye | fixed | 4.11.6-1 |
| debian | forky | fixed | 4.11.6-1 |
| debian | sid | fixed | 4.11.6-1 |
| debian | trixie | fixed | 4.11.6-1 |
| linux-kernel | affected | 3.2.90 |
References
- http://www.securityfocus.com/bid/99284
- https://access.redhat.com/errata/RHSA-2017:1482
- https://access.redhat.com/errata/RHSA-2017:1484
- https://access.redhat.com/errata/RHSA-2017:1485
- https://access.redhat.com/errata/RHSA-2017:1486
- https://access.redhat.com/errata/RHSA-2017:1487
- https://access.redhat.com/errata/RHSA-2017:1488
- https://access.redhat.com/errata/RHSA-2017:1489
- https://access.redhat.com/errata/RHSA-2017:1490
- https://access.redhat.com/errata/RHSA-2017:1491
- https://access.redhat.com/errata/RHSA-2017:1616
- https://access.redhat.com/errata/RHSA-2017:1647
- https://access.redhat.com/errata/RHSA-2017:1712
- https://access.redhat.com/errata/RHSA-2017:1842
- https://access.redhat.com/security/cve/CVE-2017-1000379
- https://www.exploit-db.com/exploits/42275/
- https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt
- https://www.suse.com/security/cve/CVE-2017-1000379.html
- https://security-tracker.debian.org/tracker/CVE-2017-1000379
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.