The make_response function in drivers/block/xen-blkback/blkback.c in the Linux kernel before...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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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CVSS Vectors
Weaknesses (CWE)
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MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.