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)stretch4.9.210-1fixed
stretch (security)4.9.210-1+deb9u1fixed
buster4.19.118-2fixed
buster (security)4.19.118-2+deb10u1fixed
bullseye, sid5.7.6-1fixed
qemu (PTS)stretch1:2.8+dfsg-6+deb9u8fixed
stretch (security)1:2.8+dfsg-6+deb9u9fixed
buster, buster (security)1:3.1+dfsg-8+deb10u5fixed
bullseye, sid1:5.0-6fixed

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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