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Sicherheit: Mehrere Probleme in Linux
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Linux
ID: DSA-3945-1
Distribution: Debian
Plattformen: Debian jessie
Datum: Do, 17. August 2017, 23:12
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7889
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-10911
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7533
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7542
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-1000365
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9605
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7541
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7346
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-9940
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-1000363
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7482
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11176

Originalnachricht

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

- -------------------------------------------------------------------------
Debian Security Advisory DSA-3945-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
August 17, 2017 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : linux
CVE ID : CVE-2014-9940 CVE-2017-7346 CVE-2017-7482 CVE-2017-7533
CVE-2017-7541 CVE-2017-7542 CVE-2017-7889 CVE-2017-9605
CVE-2017-10911 CVE-2017-11176 CVE-2017-1000363
CVE-2017-1000365

Several vulnerabilities have been discovered in the Linux kernel that
may lead to a privilege escalation, denial of service or information
leaks.

CVE-2014-9940

A use-after-free flaw in the voltage and current regulator driver
could allow a local user to cause a denial of service or potentially
escalate privileges.

CVE-2017-7346

Li Qiang discovered that the DRM driver for VMware virtual GPUs does
not properly check user-controlled values in the
vmw_surface_define_ioctl() functions for upper limits. A local user
can take advantage of this flaw to cause a denial of service.

CVE-2017-7482

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-2017-7533

Fan Wu and Shixiong Zhao discovered a race condition between inotify
events and VFS rename operations allowing an unprivileged local
attacker to cause a denial of service or escalate privileges.

CVE-2017-7541

A buffer overflow flaw in the Broadcom IEEE802.11n PCIe SoftMAC WLAN
driver could allow a local user to cause kernel memory corruption,
leading to a denial of service or potentially privilege escalation.

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-2017-9605

Murray McAllister discovered that the DRM driver for VMware virtual
GPUs does not properly initialize memory, potentially allowing a
local attacker to obtain sensitive information from uninitialized
kernel memory via a crafted ioctl call.

CVE-2017-10911 / XSA-216

Anthony Perard of Citrix discovered an information leak flaw in Xen
blkif response handling, allowing a malicious unprivileged guest to
obtain sensitive information from the host or other guests.

CVE-2017-11176

It was discovered that the mq_notify() function does not set the
sock pointer to NULL upon entry into the retry logic. An attacker
can take advantage of this flaw during a userspace close of a
Netlink socket to cause a denial of service or potentially cause
other impact.

CVE-2017-1000363

Roee Hay reported that the lp driver does not properly bounds-check
passed arguments, allowing a local attacker with write access to the
kernel command line arguments to execute arbitrary code.

CVE-2017-1000365

It was discovered that argument and environment pointers are not
taken properly into account to the imposed size restrictions on
arguments and environmental strings passed through
RLIMIT_STACK/RLIMIT_INFINITY. A local attacker can take advantage of
this flaw in conjunction with other flaws to execute arbitrary code.

For the oldstable distribution (jessie), these problems have been fixed
in version 3.16.43-2+deb8u3.

We recommend that you upgrade your linux packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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