CVE-2017-10911

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• https://xenbits.xen.org/xsa/advisory-216.html
• http://www.debian.org/security/2017/dsa-3927
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=089bc0143f489bd3a4578bdff5f4ca68fb26f341
• http://www.debian.org/security/2017/dsa-3920
• https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
• https://security.gentoo.org/glsa/201708-03
• 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
• http://www.debian.org/security/2017/dsa-3945

References

• https://xenbits.xen.org/xsa/advisory-216.html
• http://www.debian.org/security/2017/dsa-3927
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=089bc0143f489bd3a4578bdff5f4ca68fb26f341
• http://www.debian.org/security/2017/dsa-3920
• https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
• https://security.gentoo.org/glsa/201708-03
• 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
• http://www.debian.org/security/2017/dsa-3945

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