Amazon Linux 1 Security Advisory: ALAS-2015-523
Advisory Release Date: 2015-05-14 14:27 Pacific
Advisory Updated Date: 2015-05-14 23:48 Pacific
A buffer overflow flaw was found in the way the Linux kernel's Intel AES-NI instructions optimized version of the RFC4106 GCM mode decryption functionality handled fragmented packets. A remote attacker could use this flaw to crash, or potentially escalate their privileges on, a system over a connection with an active AEC-GCM mode IPSec security association. (CVE-2015-3331)
It was found that the Linux kernel's ping socket implementation did not properly handle socket unhashing during spurious disconnects, which could lead to a use-after-free flaw. On x86-64 architecture systems, a local user able to create ping sockets could use this flaw to crash the system. On non-x86-64 architecture systems, a local user able to create ping sockets could use this flaw to escalate their privileges on the system. (CVE-2015-3636)
Affected Packages:
kernel
Issue Correction:
Run yum clean all followed by yum update kernel to update your system. You will need to reboot your system in order for the new kernel to be running.
i686:
kernel-3.14.42-31.38.amzn1.i686
perf-debuginfo-3.14.42-31.38.amzn1.i686
kernel-tools-devel-3.14.42-31.38.amzn1.i686
kernel-tools-debuginfo-3.14.42-31.38.amzn1.i686
kernel-tools-3.14.42-31.38.amzn1.i686
perf-3.14.42-31.38.amzn1.i686
kernel-debuginfo-3.14.42-31.38.amzn1.i686
kernel-debuginfo-common-i686-3.14.42-31.38.amzn1.i686
kernel-headers-3.14.42-31.38.amzn1.i686
kernel-devel-3.14.42-31.38.amzn1.i686
noarch:
kernel-doc-3.14.42-31.38.amzn1.noarch
src:
kernel-3.14.42-31.38.amzn1.src
x86_64:
kernel-3.14.42-31.38.amzn1.x86_64
kernel-debuginfo-common-x86_64-3.14.42-31.38.amzn1.x86_64
kernel-debuginfo-3.14.42-31.38.amzn1.x86_64
perf-debuginfo-3.14.42-31.38.amzn1.x86_64
kernel-tools-debuginfo-3.14.42-31.38.amzn1.x86_64
kernel-devel-3.14.42-31.38.amzn1.x86_64
kernel-headers-3.14.42-31.38.amzn1.x86_64
kernel-tools-devel-3.14.42-31.38.amzn1.x86_64
kernel-tools-3.14.42-31.38.amzn1.x86_64
perf-3.14.42-31.38.amzn1.x86_64