CVE-2017-10911

medium
Published 2017-07-05 · Modified 2026-05-13
CVSS v3
6.5
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
CVSS v2
4.9
VIR risk
6.5

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

Exploit likelihood
65%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2017-10911

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2017-10911.html

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://xenbits.xen.org/xsa/advisory-216.html

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://github.com/torvalds/linux/commit/089bc0143f489bd3a4578bdff5f4ca68fb26f341

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=089bc0143f489bd3a4578bdff5f4ca68fb26f341

OS impact

OSVersionStatusFixed in
suse slesaffected
debian debianbookwormfixed4.11.11-1
debian debianbullseyefixed4.11.11-1
debian debianforkyfixed4.11.11-1
debian debiansidfixed4.11.11-1
debian debiantrixiefixed4.11.11-1
linux linux-kernelaffected

References

CWEs

CWE-200

Verify integrity in audit chain (admin only). AS-IS.