[USN-4008-1] Linux kernel vulnerabilities

Severity Medium
Affected Packages 55
CVEs 4

Several security issues were fixed in the Linux kernel.

Robert Święcki discovered that the Linux kernel did not properly apply
Address Space Layout Randomization (ASLR) in some situations for setuid elf
binaries. A local attacker could use this to improve the chances of
exploiting an existing vulnerability in a setuid elf binary.
(CVE-2019-11190)

It was discovered that a null pointer dereference vulnerability existed in
the LSI Logic MegaRAID driver in the Linux kernel. A local attacker could
use this to cause a denial of service (system crash). (CVE-2019-11810)

It was discovered that a race condition leading to a use-after-free existed
in the Reliable Datagram Sockets (RDS) protocol implementation in the Linux
kernel. The RDS protocol is disabled via blocklist by default in Ubuntu.
If enabled, a local attacker could use this to cause a denial of service
system crash) or possibly execute arbitrary code. (CVE-2019-11815)

Federico Manuel Bento discovered that the Linux kernel did not properly
apply Address Space Layout Randomization (ASLR) in some situations for
setuid a.out binaries. A local attacker could use this to improve the
chances of exploiting an existing vulnerability in a setuid a.out binary.
(CVE-2019-11191)

As a hardening measure, this update disables a.out support.

Package Affected Version
pkg:deb/ubuntu/linux-image-virtual?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-virtual-lts-xenial?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-virtual-lts-wily?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-virtual-lts-vivid?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-virtual-lts-utopic?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-snapdragon?distro=xenial < 4.4.0.1114.106
pkg:deb/ubuntu/linux-image-raspi2?distro=xenial < 4.4.0.1110.110
pkg:deb/ubuntu/linux-image-powerpc64-smp?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-powerpc64-smp-lts-xenial?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-powerpc64-smp-lts-wily?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-powerpc64-smp-lts-vivid?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-powerpc64-smp-lts-utopic?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-powerpc64-emb?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-powerpc64-emb-lts-xenial?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-powerpc64-emb-lts-wily?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-powerpc64-emb-lts-vivid?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-powerpc64-emb-lts-utopic?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-powerpc-smp?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-powerpc-smp-lts-xenial?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-powerpc-smp-lts-wily?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-powerpc-smp-lts-vivid?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-powerpc-smp-lts-utopic?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-powerpc-e500mc?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-powerpc-e500mc-lts-xenial?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-powerpc-e500mc-lts-wily?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-powerpc-e500mc-lts-vivid?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-powerpc-e500mc-lts-utopic?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-lowlatency?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-lowlatency-lts-xenial?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-lowlatency-lts-wily?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-lowlatency-lts-vivid?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-lowlatency-lts-utopic?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-kvm?distro=xenial < 4.4.0.1047.47
pkg:deb/ubuntu/linux-image-generic?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-generic-lts-xenial?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-generic-lts-wily?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-generic-lts-vivid?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-generic-lts-utopic?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-generic-lpae?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-generic-lpae-lts-xenial?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-generic-lpae-lts-wily?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-generic-lpae-lts-vivid?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-generic-lpae-lts-utopic?distro=xenial < 4.4.0.150.158
pkg:deb/ubuntu/linux-image-aws?distro=xenial < 4.4.0.1084.87
pkg:deb/ubuntu/linux-image-4.4.0-150-powerpc64-smp?distro=xenial < 4.4.0-150.176
pkg:deb/ubuntu/linux-image-4.4.0-150-powerpc64-emb?distro=xenial < 4.4.0-150.176
pkg:deb/ubuntu/linux-image-4.4.0-150-powerpc-smp?distro=xenial < 4.4.0-150.176
pkg:deb/ubuntu/linux-image-4.4.0-150-powerpc-e500mc?distro=xenial < 4.4.0-150.176
pkg:deb/ubuntu/linux-image-4.4.0-150-lowlatency?distro=xenial < 4.4.0-150.176
pkg:deb/ubuntu/linux-image-4.4.0-150-generic?distro=xenial < 4.4.0-150.176
pkg:deb/ubuntu/linux-image-4.4.0-150-generic-lpae?distro=xenial < 4.4.0-150.176
pkg:deb/ubuntu/linux-image-4.4.0-1114-snapdragon?distro=xenial < 4.4.0-1114.119
pkg:deb/ubuntu/linux-image-4.4.0-1110-raspi2?distro=xenial < 4.4.0-1110.118
pkg:deb/ubuntu/linux-image-4.4.0-1084-aws?distro=xenial < 4.4.0-1084.94
pkg:deb/ubuntu/linux-image-4.4.0-1047-kvm?distro=xenial < 4.4.0-1047.53
Type Package URL Namespace Name / Product Version Distribution / Platform Arch Patch / Fix
Affected pkg:deb/ubuntu/linux-image-virtual?distro=xenial ubuntu linux-image-virtual < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-virtual-lts-xenial?distro=xenial ubuntu linux-image-virtual-lts-xenial < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-virtual-lts-wily?distro=xenial ubuntu linux-image-virtual-lts-wily < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-virtual-lts-vivid?distro=xenial ubuntu linux-image-virtual-lts-vivid < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-virtual-lts-utopic?distro=xenial ubuntu linux-image-virtual-lts-utopic < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-snapdragon?distro=xenial ubuntu linux-image-snapdragon < 4.4.0.1114.106 xenial
Affected pkg:deb/ubuntu/linux-image-raspi2?distro=xenial ubuntu linux-image-raspi2 < 4.4.0.1110.110 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc64-smp?distro=xenial ubuntu linux-image-powerpc64-smp < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc64-smp-lts-xenial?distro=xenial ubuntu linux-image-powerpc64-smp-lts-xenial < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc64-smp-lts-wily?distro=xenial ubuntu linux-image-powerpc64-smp-lts-wily < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc64-smp-lts-vivid?distro=xenial ubuntu linux-image-powerpc64-smp-lts-vivid < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc64-smp-lts-utopic?distro=xenial ubuntu linux-image-powerpc64-smp-lts-utopic < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc64-emb?distro=xenial ubuntu linux-image-powerpc64-emb < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc64-emb-lts-xenial?distro=xenial ubuntu linux-image-powerpc64-emb-lts-xenial < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc64-emb-lts-wily?distro=xenial ubuntu linux-image-powerpc64-emb-lts-wily < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc64-emb-lts-vivid?distro=xenial ubuntu linux-image-powerpc64-emb-lts-vivid < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc64-emb-lts-utopic?distro=xenial ubuntu linux-image-powerpc64-emb-lts-utopic < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc-smp?distro=xenial ubuntu linux-image-powerpc-smp < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc-smp-lts-xenial?distro=xenial ubuntu linux-image-powerpc-smp-lts-xenial < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc-smp-lts-wily?distro=xenial ubuntu linux-image-powerpc-smp-lts-wily < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc-smp-lts-vivid?distro=xenial ubuntu linux-image-powerpc-smp-lts-vivid < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc-smp-lts-utopic?distro=xenial ubuntu linux-image-powerpc-smp-lts-utopic < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc-e500mc?distro=xenial ubuntu linux-image-powerpc-e500mc < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc-e500mc-lts-xenial?distro=xenial ubuntu linux-image-powerpc-e500mc-lts-xenial < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc-e500mc-lts-wily?distro=xenial ubuntu linux-image-powerpc-e500mc-lts-wily < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc-e500mc-lts-vivid?distro=xenial ubuntu linux-image-powerpc-e500mc-lts-vivid < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc-e500mc-lts-utopic?distro=xenial ubuntu linux-image-powerpc-e500mc-lts-utopic < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-lowlatency?distro=xenial ubuntu linux-image-lowlatency < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-lowlatency-lts-xenial?distro=xenial ubuntu linux-image-lowlatency-lts-xenial < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-lowlatency-lts-wily?distro=xenial ubuntu linux-image-lowlatency-lts-wily < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-lowlatency-lts-vivid?distro=xenial ubuntu linux-image-lowlatency-lts-vivid < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-lowlatency-lts-utopic?distro=xenial ubuntu linux-image-lowlatency-lts-utopic < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-kvm?distro=xenial ubuntu linux-image-kvm < 4.4.0.1047.47 xenial
Affected pkg:deb/ubuntu/linux-image-generic?distro=xenial ubuntu linux-image-generic < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-generic-lts-xenial?distro=xenial ubuntu linux-image-generic-lts-xenial < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-generic-lts-wily?distro=xenial ubuntu linux-image-generic-lts-wily < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-generic-lts-vivid?distro=xenial ubuntu linux-image-generic-lts-vivid < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-generic-lts-utopic?distro=xenial ubuntu linux-image-generic-lts-utopic < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-generic-lpae?distro=xenial ubuntu linux-image-generic-lpae < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-generic-lpae-lts-xenial?distro=xenial ubuntu linux-image-generic-lpae-lts-xenial < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-generic-lpae-lts-wily?distro=xenial ubuntu linux-image-generic-lpae-lts-wily < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-generic-lpae-lts-vivid?distro=xenial ubuntu linux-image-generic-lpae-lts-vivid < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-generic-lpae-lts-utopic?distro=xenial ubuntu linux-image-generic-lpae-lts-utopic < 4.4.0.150.158 xenial
Affected pkg:deb/ubuntu/linux-image-aws?distro=xenial ubuntu linux-image-aws < 4.4.0.1084.87 xenial
Affected pkg:deb/ubuntu/linux-image-4.4.0-150-powerpc64-smp?distro=xenial ubuntu linux-image-4.4.0-150-powerpc64-smp < 4.4.0-150.176 xenial
Affected pkg:deb/ubuntu/linux-image-4.4.0-150-powerpc64-emb?distro=xenial ubuntu linux-image-4.4.0-150-powerpc64-emb < 4.4.0-150.176 xenial
Affected pkg:deb/ubuntu/linux-image-4.4.0-150-powerpc-smp?distro=xenial ubuntu linux-image-4.4.0-150-powerpc-smp < 4.4.0-150.176 xenial
Affected pkg:deb/ubuntu/linux-image-4.4.0-150-powerpc-e500mc?distro=xenial ubuntu linux-image-4.4.0-150-powerpc-e500mc < 4.4.0-150.176 xenial
Affected pkg:deb/ubuntu/linux-image-4.4.0-150-lowlatency?distro=xenial ubuntu linux-image-4.4.0-150-lowlatency < 4.4.0-150.176 xenial
Affected pkg:deb/ubuntu/linux-image-4.4.0-150-generic?distro=xenial ubuntu linux-image-4.4.0-150-generic < 4.4.0-150.176 xenial
Affected pkg:deb/ubuntu/linux-image-4.4.0-150-generic-lpae?distro=xenial ubuntu linux-image-4.4.0-150-generic-lpae < 4.4.0-150.176 xenial
Affected pkg:deb/ubuntu/linux-image-4.4.0-1114-snapdragon?distro=xenial ubuntu linux-image-4.4.0-1114-snapdragon < 4.4.0-1114.119 xenial
Affected pkg:deb/ubuntu/linux-image-4.4.0-1110-raspi2?distro=xenial ubuntu linux-image-4.4.0-1110-raspi2 < 4.4.0-1110.118 xenial
Affected pkg:deb/ubuntu/linux-image-4.4.0-1084-aws?distro=xenial ubuntu linux-image-4.4.0-1084-aws < 4.4.0-1084.94 xenial
Affected pkg:deb/ubuntu/linux-image-4.4.0-1047-kvm?distro=xenial ubuntu linux-image-4.4.0-1047-kvm < 4.4.0-1047.53 xenial
# CVE Description CVSS EPSS EPSS Trend (30 days) Affected Products Weaknesses Security Advisories Exploits PoC Pubblication Date Modification Date
# CVE Description CVSS EPSS EPSS Trend (30 days) Affected Products Weaknesses Security Advisories PoC Pubblication Date Modification Date
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