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 advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
acpica-unix (PTS)buster20181213-1fixed
bullseye20200925-1.2fixed
bookworm, sid20200925-7fixed
linux (PTS)buster, buster (security)4.19.249-2vulnerable
bullseye5.10.140-1vulnerable
bullseye (security)5.10.136-1vulnerable
bookworm5.19.6-1vulnerable
sid5.19.11-1vulnerable

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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