CVE-2017-9984

NameCVE-2017-9984
DescriptionThe snd_msnd_interrupt function in sound/isa/msnd/msnd_pinnacle.c in the Linux kernel through 4.11.7 allows local users to cause a denial of service (over-boundary access) or possibly have unspecified other impact by changing the value of a message queue head pointer between two kernel reads of that value, aka a "double fetch" vulnerability.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)bullseye5.10.223-1fixed
bullseye (security)5.10.226-1fixed
bookworm6.1.106-3fixed
bookworm (security)6.1.112-1fixed
sid, trixie6.11.5-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcestretch4.9.51-1
linuxsource(unstable)4.13.4-1unimportant

Notes

No security issue, only "exploitable" with malicious ISA cards
Fixed by: https://git.kernel.org/linus/20e2b791796bd68816fa115f12be5320de2b8021 (v4.13-rc1)
https://bugzilla.kernel.org/show_bug.cgi?id=196131

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