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Debian DSA-3696-1 : linux - security update (Dirty COW)

Description

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. - CVE-2015-8956 It was discovered that missing input sanitising in RFCOMM Bluetooth socket handling may result in denial of service or information leak. - CVE-2016-5195 It was discovered that a race condition in the memory management code can be used for local privilege escalation. - CVE-2016-7042 Ondrej Kozina discovered that incorrect buffer allocation in the proc_keys_show() function may result in local denial of service. - CVE-2016-7425 Marco Grassi discovered a buffer overflow in the arcmsr SCSI driver which may result in local denial of service, or potentially, arbitrary code execution. Additionally this update fixes a regression introduced in DSA-3616-1 causing iptables performance issues (cf. Debian Bug #831014).


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