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, DLA-1497-1, DSA-3920-1, DSA-3927-1, DSA-3945-1
NVD severitymedium
Debian Bugs869706

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie3.16.56-1+deb8u1fixed
jessie (security)3.16.76-1fixed
stretch4.9.189-3fixed
stretch (security)4.9.189-3+deb9u2fixed
buster4.19.67-2+deb10u1fixed
buster (security)4.19.67-2+deb10u2fixed
bullseye5.2.17-1fixed
sid5.3.9-3fixed
qemu (PTS)jessie1:2.1+dfsg-12+deb8u6vulnerable
jessie (security)1:2.1+dfsg-12+deb8u12fixed
stretch (security), stretch1:2.8+dfsg-6+deb9u8fixed
buster1:3.1+dfsg-8+deb10u2fixed
buster (security)1:3.1+dfsg-8+deb10u3fixed
bullseye, sid1:4.1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)4.11.11-1
linuxsourcejessie3.16.43-2+deb8u3DSA-3945-1
linuxsourcestretch4.9.30-2+deb9u3DSA-3927-1
linuxsourcewheezy3.2.93-1DLA-1099-1
qemusource(unstable)1:2.8+dfsg-7869706
qemusourcejessie1:2.1+dfsg-12+deb8u7DLA-1497-1
qemusourcestretch1:2.8+dfsg-6+deb9u1DSA-3920-1
qemu-kvmsource(unstable)(unfixed)

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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