CVE-2017-13694

NameCVE-2017-13694
DescriptionThe acpi_ps_complete_final_op() function in drivers/acpi/acpica/psobject.c in the Linux kernel through 4.12.9 does not flush the node and node_ext caches and causes a kernel stack dump, which allows local users to obtain sensitive information from kernel memory and bypass the KASLR protection mechanism (in the kernel through 4.9) via a crafted ACPI table.
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)
NVD severitylow (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
acpica-unix (PTS)jessie20140926-1vulnerable
stretch20160831-1vulnerable
buster, sid20181003-1fixed
linux (PTS)jessie3.16.56-1+deb8u1vulnerable
jessie (security)3.16.59-1vulnerable
stretch4.9.130-2vulnerable
stretch (security)4.9.110-3+deb9u6vulnerable
buster, sid4.18.10-2vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
acpica-unixsource(unstable)20180209-1unimportant
linuxsource(unstable)(unfixed)unimportant

Notes

https://patchwork.kernel.org/patch/9806085/
non-issue/no relevant security impact

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