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schrieb am 20.10.2017 um 03:07 in Nachricht <20171020010740.0C339FC69@maintenance.suse.de>: SUSE Security Update: Security update for Linux Kernel Live Patch 21 for SLE 12 SP1

I wonder: Shouldn't the subject be like "[security-announce] SUSE-SU-2017:2791-1: important: Security update (Linux Kernel Live Patch 21 for SLE 12 SP1)"? Or is it actually a security update for the kernel live patch? Regards, Ulrich

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Announcement ID: SUSE-SU-2017:2791-1 Rating: important References: #1038564 #1042892 #1045327 #1052311 #1052368

Cross-References: CVE-2017-1000112 CVE-2017-15274 CVE-2017-8890 CVE-2017-9242 Affected Products: SUSE Linux Enterprise Server for SAP 12-SP1 SUSE Linux Enterprise Server 12-SP1-LTSS ____________________________________________________________________________ __

An update that solves four vulnerabilities and has one errata is now available.

Description:

This update for the Linux Kernel 3.12.74-60_64_60 fixes several issues.

The following security bugs were fixed:

- CVE-2017-15274: security/keys/keyctl.c in the Linux kernel did not consider the case of a NULL payload in conjunction with a nonzero length value, which allowed local users to cause a denial of service (NULL pointer dereference and OOPS) via a crafted add_key or keyctl system call (bsc#1045327). - CVE-2017-1000112: Updated patch for this issue to be in sync with the other livepatches. Description of the issue: Prevent race condition in net-packet code that could have been exploited by unprivileged users to gain root access (bsc#1052368, bsc#1052311). - CVE-2017-9242: The __ip6_append_data function in net/ipv6/ip6_output.c was too late in checking whether an overwrite of an skb data structure may occur, which allowed local users to cause a denial of service (system crash) via crafted system calls (bsc#1042892). - CVE-2017-8890: The inet_csk_clone_lock function in net/ipv4/inet_connection_sock.c allowed attackers to cause a denial of service (double free) or possibly have unspecified other impact by leveraging use of the accept system call (bsc#1038564).

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 Server for SAP 12-SP1:

zypper in -t patch SUSE-SLE-SAP-12-SP1-2017-1732=1

- SUSE Linux Enterprise Server 12-SP1-LTSS:

zypper in -t patch SUSE-SLE-SERVER-12-SP1-2017-1732=1

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

Package List:

- SUSE Linux Enterprise Server for SAP 12-SP1 (x86_64):

kgraft-patch-3_12_74-60_64_60-default-2-4.1 kgraft-patch-3_12_74-60_64_60-xen-2-4.1

- SUSE Linux Enterprise Server 12-SP1-LTSS (x86_64):

kgraft-patch-3_12_74-60_64_60-default-2-4.1 kgraft-patch-3_12_74-60_64_60-xen-2-4.1

References:

https://www.suse.com/security/cve/CVE-2017-1000112.html https://www.suse.com/security/cve/CVE-2017-15274.html https://www.suse.com/security/cve/CVE-2017-8890.html https://www.suse.com/security/cve/CVE-2017-9242.html https://bugzilla.suse.com/1038564 https://bugzilla.suse.com/1042892 https://bugzilla.suse.com/1045327 https://bugzilla.suse.com/1052311 https://bugzilla.suse.com/1052368

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