CVE-2016-2547

EPSS 0.3%

sound/core/timer.c in the Linux kernel before 4.4.1 employs a locking approach that does not consider slave timer instances, which allows local users to cause a denial of service (race condition, use-after-free, and system crash) via a crafted ioctl call.

Produtos afetados

n/a · n/a

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Referências

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b5a663aa426f4884c71cd8580adae73f33570f0d http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html https://bugzilla.redhat.com/show_bug.cgi?id=1311566 https://github.com/torvalds/linux/commit/b5a663aa426f4884c71cd8580adae73f33570f0d http://www.debian.org/security/2016/dsa-3503 http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1 http://www.openwall.com/lists/oss-security/2016/01/19/1 http://www.securityfocus.com/bid/83378 http://www.securitytracker.com/id/1035298 http://www.ubuntu.com/usn/USN-2929-1