UBUNTU-CVE-2017-10911
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.
02 / AFFECTED SOFTWARE
Affected packages
122 explicit affected versions
40 explicit affected versions
58 explicit affected versions
62 explicit affected versions
21 explicit affected versions
3 explicit affected versions
18 explicit affected versions
26 explicit affected versions
3 explicit affected versions
38 explicit affected versions
35 explicit affected versions
29 explicit affected versions
1 explicit affected versions
1 explicit affected versions
7 explicit affected versions
7 explicit affected versions
8 explicit affected versions
7 explicit affected versions
1 explicit affected versions
61 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=089bc0143f489bd3a4578bdff5f4ca68fb26f341
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.11.8
- https://github.com/torvalds/linux/commit/089bc0143f489bd3a4578bdff5f4ca68fb26f341
- https://ubuntu.com/security/CVE-2017-10911
- https://ubuntu.com/security/notices/USN-3414-1
- https://ubuntu.com/security/notices/USN-3468-1
- https://ubuntu.com/security/notices/USN-3468-2
- https://ubuntu.com/security/notices/USN-3468-3
- https://ubuntu.com/security/notices/USN-3469-1
- https://ubuntu.com/security/notices/USN-3469-2
- https://ubuntu.com/security/notices/USN-3470-1
- https://ubuntu.com/security/notices/USN-3470-2
- https://www.cve.org/CVERecord?id=CVE-2017-10911
- https://xenbits.xen.org/xsa/advisory-216.html