CVE-2017-10911

NameCVE-2017-10911
DescriptionThe 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-1099-1, DSA-3920-1, DSA-3927-1, DSA-3945-1
NVD severitymedium (attack range: local)
Debian Bugs869706

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)wheezy3.2.78-1vulnerable
wheezy (security)3.2.101-1fixed
jessie3.16.51-2fixed
jessie (security)3.16.56-1+deb8u1fixed
stretch4.9.82-1+deb9u3fixed
stretch (security)4.9.88-1+deb9u1fixed
buster, sid4.16.5-1fixed
qemu (PTS)wheezy1.1.2+dfsg-6a+deb7u12vulnerable
wheezy (security)1.1.2+dfsg-6+deb7u25vulnerable
jessie (security), jessie1:2.1+dfsg-12+deb8u6vulnerable
stretch (security), stretch1:2.8+dfsg-6+deb9u3fixed
buster, sid1:2.12+dfsg-1fixed
qemu-kvm (PTS)wheezy1.1.2+dfsg-6+deb7u12vulnerable
wheezy (security)1.1.2+dfsg-6+deb7u25vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)4.11.11-1medium
linuxsourcejessie3.16.43-2+deb8u3mediumDSA-3945-1
linuxsourcestretch4.9.30-2+deb9u3mediumDSA-3927-1
linuxsourcewheezy3.2.93-1mediumDLA-1099-1
qemusource(unstable)1:2.8+dfsg-7medium869706
qemusourcestretch1:2.8+dfsg-6+deb9u1mediumDSA-3920-1
qemu-kvmsource(unstable)(unfixed)medium

Notes

[wheezy] - qemu <no-dsa> (Wheezy's xen uses an embedded qemu copy)
[wheezy] - qemu-kvm <no-dsa> (Wheezy's xen uses an embedded qemu copy)
https://xenbits.xen.org/xsa/advisory-216.html

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