CVE-2017-17857

NameCVE-2017-17857
DescriptionThe check_stack_boundary function in kernel/bpf/verifier.c in the Linux kernel through 4.14.8 allows local users to cause a denial of service (memory corruption) or possibly have unspecified other impact by leveraging mishandling of invalid variable stack read operations.
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 severityhigh (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie3.16.56-1+deb8u1fixed
jessie (security)3.16.59-1fixed
stretch4.9.110-1fixed
stretch (security)4.9.110-3+deb9u6fixed
buster, sid4.18.10-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)4.14.7-1high
linuxsourcejessie(not affected)
linuxsourcestretch(not affected)
linuxsourcewheezy(not affected)

Notes

[stretch] - linux <not-affected> (Vulnerable code introdued later)
[jessie] - linux <not-affected> (Vulnerable code introdued later)
[wheezy] - linux <not-affected> (Vulnerable code introdued later)
Fixed by: https://git.kernel.org/linus/ea25f914dc164c8d56b36147ecc86bc65f83c469

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