CVE-2016-4578

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e4ec8cc8039a7063e24204299b462bd1383184a5
• http://www.ubuntu.com/usn/USN-3017-1
• https://www.exploit-db.com/exploits/46529/
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html
• http://www.ubuntu.com/usn/USN-3017-3
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html
• http://www.ubuntu.com/usn/USN-3018-2
• https://github.com/torvalds/linux/commit/e4ec8cc8039a7063e24204299b462bd1383184a5
• http://www.ubuntu.com/usn/USN-3021-2
• http://www.ubuntu.com/usn/USN-3017-2
• https://bugzilla.redhat.com/show_bug.cgi?id=1335215
• http://rhn.redhat.com/errata/RHSA-2016-2584.html
• http://rhn.redhat.com/errata/RHSA-2016-2574.html
• http://www.ubuntu.com/usn/USN-3019-1
• http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html
• http://www.debian.org/security/2016/dsa-3607
• http://www.securityfocus.com/bid/90535
• http://www.ubuntu.com/usn/USN-3016-2
• http://www.ubuntu.com/usn/USN-3016-1
• http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html
• http://www.ubuntu.com/usn/USN-3021-1
• http://www.ubuntu.com/usn/USN-3018-1
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9a47e9cff994f37f7f0dbd9ae23740d0f64f9fe6
• http://www.openwall.com/lists/oss-security/2016/05/11/5
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html
• http://www.ubuntu.com/usn/USN-3016-3
• https://github.com/torvalds/linux/commit/9a47e9cff994f37f7f0dbd9ae23740d0f64f9fe6
• http://www.ubuntu.com/usn/USN-3016-4
• http://www.ubuntu.com/usn/USN-3020-1
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html

References

• http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e4ec8cc8039a7063e24204299b462bd1383184a5
• http://www.ubuntu.com/usn/USN-3017-1
• https://www.exploit-db.com/exploits/46529/
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html
• http://www.ubuntu.com/usn/USN-3017-3
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html
• http://www.ubuntu.com/usn/USN-3018-2
• https://github.com/torvalds/linux/commit/e4ec8cc8039a7063e24204299b462bd1383184a5
• http://www.ubuntu.com/usn/USN-3021-2
• http://www.ubuntu.com/usn/USN-3017-2
• https://bugzilla.redhat.com/show_bug.cgi?id=1335215
• http://rhn.redhat.com/errata/RHSA-2016-2584.html
• http://rhn.redhat.com/errata/RHSA-2016-2574.html
• http://www.ubuntu.com/usn/USN-3019-1
• http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html
• http://www.debian.org/security/2016/dsa-3607
• http://www.securityfocus.com/bid/90535
• http://www.ubuntu.com/usn/USN-3016-2
• http://www.ubuntu.com/usn/USN-3016-1
• http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html
• http://www.ubuntu.com/usn/USN-3021-1
• http://www.ubuntu.com/usn/USN-3018-1
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9a47e9cff994f37f7f0dbd9ae23740d0f64f9fe6
• http://www.openwall.com/lists/oss-security/2016/05/11/5
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html
• http://www.ubuntu.com/usn/USN-3016-3
• https://github.com/torvalds/linux/commit/9a47e9cff994f37f7f0dbd9ae23740d0f64f9fe6
• http://www.ubuntu.com/usn/USN-3016-4
• http://www.ubuntu.com/usn/USN-3020-1
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html

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