vulnerability

Red Hat: CVE-2016-4578: Important: kernel-rt security, bug fix, and enhancement update ((Multiple Advisories))

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:N)
Published
May 23, 2016
Added
Nov 4, 2016
Modified
Jul 9, 2025

Description

sound/core/timer.c in the Linux kernel through 4.6 does not initialize certain r1 data structures, which allows local users to obtain sensitive information from kernel stack memory via crafted use of the ALSA timer interface, related to the (1) snd_timer_user_ccallback and (2) snd_timer_user_tinterrupt functions.

Solutions

no-fix-redhat-rpm-packageredhat-upgrade-kernelredhat-upgrade-kernel-abi-whitelistsredhat-upgrade-kernel-bootwrapperredhat-upgrade-kernel-debugredhat-upgrade-kernel-debug-debuginforedhat-upgrade-kernel-debug-develredhat-upgrade-kernel-debuginforedhat-upgrade-kernel-debuginfo-common-ppc64redhat-upgrade-kernel-debuginfo-common-s390xredhat-upgrade-kernel-debuginfo-common-x86_64redhat-upgrade-kernel-develredhat-upgrade-kernel-docredhat-upgrade-kernel-headersredhat-upgrade-kernel-kdumpredhat-upgrade-kernel-kdump-debuginforedhat-upgrade-kernel-kdump-develredhat-upgrade-kernel-rtredhat-upgrade-kernel-rt-debugredhat-upgrade-kernel-rt-debug-debuginforedhat-upgrade-kernel-rt-debug-develredhat-upgrade-kernel-rt-debuginforedhat-upgrade-kernel-rt-debuginfo-common-x86_64redhat-upgrade-kernel-rt-develredhat-upgrade-kernel-rt-docredhat-upgrade-kernel-rt-traceredhat-upgrade-kernel-rt-trace-debuginforedhat-upgrade-kernel-rt-trace-develredhat-upgrade-kernel-toolsredhat-upgrade-kernel-tools-debuginforedhat-upgrade-kernel-tools-libsredhat-upgrade-kernel-tools-libs-develredhat-upgrade-perfredhat-upgrade-perf-debuginforedhat-upgrade-python-perfredhat-upgrade-python-perf-debuginfo

References

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