Mailinglist Archive: opensuse-security-announce (58 mails)

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[security-announce] SUSE-SU-2016:0337-1: important: Security update for kernel live patch 8
SUSE Security Update: Security update for kernel live patch 8

Announcement ID: SUSE-SU-2016:0337-1
Rating: important
References: #916225 #940342 #951542 #951625 #953052 #954005
Cross-References: CVE-2015-2925 CVE-2015-6937 CVE-2015-7872
CVE-2015-7990 CVE-2015-8539
Affected Products:
SUSE Linux Enterprise Live Patching 12

An update that solves 5 vulnerabilities and has two fixes
is now available.


This kernel live patch for Linux Kernel 3.12.48-52.27.1 fixes security
issues and bugs:

Security issues fixed:
- CVE-2015-8539: A negatively instantiated user key could have been used
by a local user to leverage privileges (bnc#958601).

- CVE-2015-6937: A NULL pointer dereference flaw was found in the Reliable
Datagram Sockets (RDS) implementation allowing a local user to cause
system DoS. A verification was missing that the underlying transport
exists when a connection was created. (bsc#953052)

- CVE-2015-7990: RDS: Verify the underlying transport exists before
creating a connection, preventing possible DoS (bsc#953052).

- CVE-2015-7872: Possible crash when trying to garbage collect an
uninstantiated keyring (bsc#951542).

- CVE-2015-2925: The prepend_path function in fs/dcache.c in the Linux
kernel did not properly handle rename actions inside a bind mount, which
allowed local users to bypass an intended container protection mechanism
by renaming a directory, related to a "double-chroot attack (bnc#951625).

Non-security bugfix were also done:
- xfs: Fix lost direct IO write in the last block (bsc#954005).
- simple fix in kallsyms initialization (bsc#940342 bsc#916225)

Patch Instructions:

To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product:

- SUSE Linux Enterprise Live Patching 12:

zypper in -t patch SUSE-SLE-Live-Patching-12-2016-206=1

To bring your system up-to-date, use "zypper patch".

Package List:

- SUSE Linux Enterprise Live Patching 12 (x86_64):



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