Amazon Linux 1 Security Advisory: ALAS-2018-993
Advisory Release Date: 2018-04-19 04:44 Pacific
Advisory Updated Date: 2018-05-10 23:20 Pacific
FAQs regarding Amazon Linux ALAS/CVE Severity
Missing length check of payload in net/sctp/sm_make_chunk.c:_sctp_make_chunk() function allows denial of service:
An error in the "_sctp_make_chunk()" function (net/sctp/sm_make_chunk.c) when handling SCTP, packet length can be exploited by a malicious local user to cause a kernel crash and a DoS. (CVE-2018-5803)
Mishandling mutex within libsas allowing local Denial of Service
The Serial Attached SCSI (SAS) implementation in the Linux kernel mishandles a mutex within libsas. This allows local users to cause a denial of service (deadlock) by triggering certain error-handling code. (CVE-2017-18232)
A flaw was found in the Linux kernel's client-side implementation of the cifs protocol. This flaw allows an attacker controlling the server to kernel panic a client which has the CIFS server mounted.(CVE-2018-1066)
Affected Packages:
kernel
Issue Correction:
Run yum update kernel to update your system.
i686:
kernel-debuginfo-common-i686-4.9.93-41.60.amzn1.i686
kernel-4.9.93-41.60.amzn1.i686
kernel-tools-devel-4.9.93-41.60.amzn1.i686
perf-4.9.93-41.60.amzn1.i686
kernel-debuginfo-4.9.93-41.60.amzn1.i686
kernel-tools-debuginfo-4.9.93-41.60.amzn1.i686
kernel-devel-4.9.93-41.60.amzn1.i686
kernel-headers-4.9.93-41.60.amzn1.i686
kernel-tools-4.9.93-41.60.amzn1.i686
perf-debuginfo-4.9.93-41.60.amzn1.i686
noarch:
kernel-doc-4.9.93-41.60.amzn1.noarch
src:
kernel-4.9.93-41.60.amzn1.src
x86_64:
perf-4.9.93-41.60.amzn1.x86_64
kernel-tools-debuginfo-4.9.93-41.60.amzn1.x86_64
perf-debuginfo-4.9.93-41.60.amzn1.x86_64
kernel-tools-4.9.93-41.60.amzn1.x86_64
kernel-4.9.93-41.60.amzn1.x86_64
kernel-devel-4.9.93-41.60.amzn1.x86_64
kernel-tools-devel-4.9.93-41.60.amzn1.x86_64
kernel-headers-4.9.93-41.60.amzn1.x86_64
kernel-debuginfo-4.9.93-41.60.amzn1.x86_64
kernel-debuginfo-common-x86_64-4.9.93-41.60.amzn1.x86_64