Security update for the Linux Kernel (Live Patch 30 for SLE 12 SP1)
Announcement ID: | SUSE-SU-2019:1924-1 |
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Rating: | important |
References: | |
Cross-References: | |
CVSS scores: |
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Affected Products: |
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An update that solves two vulnerabilities can now be installed.
Description:
This update for the Linux Kernel 3.12.74-60_64_99 fixes several issues.
The following security issues were fixed:
- CVE-2019-11477: Jonathan Looney discovered that the TCP_SKB_CB(skb)->tcp_gso_segs value was subject to an integer overflow when handling TCP Selective Acknowledgments (SACKs). A remote attacker could use this to cause a denial of service. (bsc#1137586)
- CVE-2019-11478: Jonathan Looney discovered that the TCP retransmission queue implementation in tcp_fragment could be fragmented when handling certain TCP Selective Acknowledgment (SACK) sequences. A remote attacker could use this to cause a denial of service. (bsc#1137586)
This update contains a regression fix for CVE-2019-11477 and CVE-2019-11478 (bsc#1140747).
Patch Instructions:
To install this SUSE update use the SUSE recommended
installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
-
SUSE Linux Enterprise Server for SAP Applications 12 SP1
zypper in -t patch SUSE-SLE-SAP-12-SP1-2019-1926=1 SUSE-SLE-SAP-12-SP1-2019-1923=1 SUSE-SLE-SAP-12-SP1-2019-1924=1 SUSE-SLE-SAP-12-SP1-2019-1925=1
-
SUSE Linux Enterprise Server 12 SP1 LTSS 12-SP1
zypper in -t patch SUSE-SLE-SERVER-12-SP1-2019-1926=1 SUSE-SLE-SERVER-12-SP1-2019-1923=1 SUSE-SLE-SERVER-12-SP1-2019-1924=1 SUSE-SLE-SERVER-12-SP1-2019-1925=1
-
SUSE Linux Enterprise Live Patching 15-SP1
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2019-1889=1
Package List:
-
SUSE Linux Enterprise Server for SAP Applications 12 SP1 (x86_64)
- kgraft-patch-3_12_74-60_64_107-default-8-2.1
- kgraft-patch-3_12_74-60_64_104-default-8-2.1
- kgraft-patch-3_12_74-60_64_99-default-10-2.1
- kgraft-patch-3_12_74-60_64_99-xen-10-2.1
- kgraft-patch-3_12_74-60_64_107-xen-8-2.1
- kgraft-patch-3_12_74-60_64_110-xen-4-2.1
- kgraft-patch-3_12_74-60_64_104-xen-8-2.1
- kgraft-patch-3_12_74-60_64_110-default-4-2.1
-
SUSE Linux Enterprise Server 12 SP1 LTSS 12-SP1 (x86_64)
- kgraft-patch-3_12_74-60_64_107-default-8-2.1
- kgraft-patch-3_12_74-60_64_104-default-8-2.1
- kgraft-patch-3_12_74-60_64_99-default-10-2.1
- kgraft-patch-3_12_74-60_64_99-xen-10-2.1
- kgraft-patch-3_12_74-60_64_107-xen-8-2.1
- kgraft-patch-3_12_74-60_64_110-xen-4-2.1
- kgraft-patch-3_12_74-60_64_104-xen-8-2.1
- kgraft-patch-3_12_74-60_64_110-default-4-2.1
-
SUSE Linux Enterprise Live Patching 15-SP1 (ppc64le x86_64)
- kernel-livepatch-4_12_14-195-default-4-10.1