CVE-2017-10911
Description
The make_response function in drivers/block/xen-blkback/blkback.c in the Linux kernel before 4.11.8 allows guest OS users to obtain sensitive information from host OS (or other guest OS) kernel memory by leveraging the copying of uninitialized padding fields in Xen block-interface response structures, aka XSA-216.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2017-10911
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2017-10911.html
Vendor advisory: cve@mitre.org — https://xenbits.xen.org/xsa/advisory-216.html
Vendor advisory: cve@mitre.org — https://github.com/torvalds/linux/commit/089bc0143f489bd3a4578bdff5f4ca68fb26f341
Vendor advisory: cve@mitre.org — http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=089bc0143f489bd3a4578bdff5f4ca68fb26f341
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 4.11.11-1 |
| debian | bullseye | fixed | 4.11.11-1 |
| debian | forky | fixed | 4.11.11-1 |
| debian | sid | fixed | 4.11.11-1 |
| debian | trixie | fixed | 4.11.11-1 |
| linux-kernel | affected | |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=089bc0143f489bd3a4578bdff5f4ca68fb26f341
- http://www.debian.org/security/2017/dsa-3920
- http://www.debian.org/security/2017/dsa-3927
- http://www.debian.org/security/2017/dsa-3945
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.11.8
- http://www.securityfocus.com/bid/99162
- http://www.securitytracker.com/id/1038720
- https://github.com/torvalds/linux/commit/089bc0143f489bd3a4578bdff5f4ca68fb26f341
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
- https://security.gentoo.org/glsa/201708-03
- https://xenbits.xen.org/xsa/advisory-216.html
- https://www.suse.com/security/cve/CVE-2017-10911.html
- https://security-tracker.debian.org/tracker/CVE-2017-10911
CWEs
CWE-200
Verify integrity in audit chain (admin only). AS-IS.