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Alerts This Week
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Debian: DLA-1099-1 Critical: Linux Kernel Denial Of Service Threat

debian lts
Calendar Grey September 20, 2017
Dist Debian Esm H88
Multiple security flaws identified in Linux kernel resulting in privilege escalation, denial of service, or data exposure. Update is highly advised.
Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks

Summary

Shi Lei discovered that RxRPC Kerberos 5 ticket handling code does
not properly verify metadata, leading to information disclosure,
denial of service or potentially execution of arbitrary code.

CVE-2017-7542

An integer overflow vulnerability in the ip6_find_1stfragopt()
function was found allowing a local attacker with privileges to open
raw sockets to cause a denial of service.

CVE-2017-7889

Tommi Rantala and Brad Spengler reported that the mm subsystem does
not properly enforce the CONFIG_STRICT_DEVMEM protection mechanism,
allowing a local attacker with access to /dev/mem to obtain
sensitive information or potentially execute arbitrary code.

CVE-2017-10661

Dmitry Vyukov of Google reported that the timerfd facility does
not properly handle certain concurrent operations on a single file
descriptor. This allows a local attacker to cause a denial of
service or potentially to execute arbitrary code.

CVE-2017-10911 / XSA-216

Read the Full Advisory


Severity
critical
Lowest
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Critical

<pre><font face="Courier">Package: linux
Version: 3.2.93-1
CVE ID: CVE-2017-7482 CVE-2017-7542 CVE-2017-7889 CVE-2017-10661
Debian Bug: #866511 #875881

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