Vulnerability CVE-2017-10911


Published: 2017-07-04   Modified: 2017-11-05

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.

Vendor: Linux
Product: Linux kernel 
Version: 4.11.7;

CVSS2 => (AV:L/AC:L/Au:N/C:C/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.9/10
6.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
None
None

 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://security.gentoo.org/glsa/201708-03
https://xenbits.xen.org/xsa/advisory-216.html

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