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Debian: DSA-3886-1 Critical Linux Kernel Privilege Escalation Threat

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Calendar Grey June 19, 2017
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Debian's DSA-3886-1 outlines vulnerabilities in Linux kernel impacting privilege escalation and service stability.
Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks

Summary

CVE-2017-0605

A buffer overflow flaw was discovered in the trace subsystem.

CVE-2017-7487

Li Qiang reported a reference counter leak in the ipxitf_ioctl
function which may result into a use-after-free vulnerability,
triggerable when a IPX interface is configured.

CVE-2017-7645

Tuomas Haanpaa and Matti Kamunen from Synopsys Ltd discovered that
the NFSv2 and NFSv3 server implementations are vulnerable to an
out-of-bounds memory access issue while processing arbitrarily long
arguments sent by NFSv2/NFSv3 PRC clients, leading to a denial of
service.

CVE-2017-7895

Ari Kauppi from Synopsys Ltd discovered that the NFSv2 and NFSv3
server implementations do not properly handle payload bounds
checking of WRITE requests. A remote attacker with write access to a
NFS mount can take advantage of this flaw to read chunks of
arbitrary memory from both kernel-space and user-space.

CVE-2017-8064

Arnd Bergmann found that the DVB-USB core misused the device
l...

Read the Full Advisory

Severity
critical
Lowest
Low
Medium
High
Critical

Package: linux
CVE ID: CVE-2017-0605 CVE-2017-7487 CVE-2017-7645 CVE-2017-7895

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