[USN-4579-1] Linux kernel vulnerabilities

Severity High
Affected Packages 72
CVEs 4

Several security issues were fixed in the Linux kernel.

Hadar Manor discovered that the DCCP protocol implementation in the Linux
kernel improperly handled socket reuse, leading to a use-after-free
vulnerability. A local attacker could use this to cause a denial of service
(system crash) or possibly execute arbitrary code. (CVE-2020-16119)

Wen Xu discovered that the XFS file system in the Linux kernel did not
properly validate inode metadata in some situations. An attacker could use
this to construct a malicious XFS image that, when mounted, could cause a
denial of service (system crash). (CVE-2018-10322)

Jay Shin discovered that the ext4 file system implementation in the Linux
kernel did not properly handle directory access with broken indexing,
leading to an out-of-bounds read vulnerability. A local attacker could use
this to cause a denial of service (system crash). (CVE-2020-14314)

It was discovered that a race condition existed in the hugetlb sysctl
implementation in the Linux kernel. A privileged attacker could use this to
cause a denial of service (system crash). (CVE-2020-25285)

Package Affected Version
pkg:deb/ubuntu/linux-image-virtual?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-virtual-lts-xenial?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-virtual-lts-xenial?distro=trusty < 4.4.0.193.169
pkg:deb/ubuntu/linux-image-virtual-lts-wily?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-virtual-lts-vivid?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-virtual-lts-utopic?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-snapdragon?distro=xenial < 4.4.0.1145.137
pkg:deb/ubuntu/linux-image-raspi2?distro=xenial < 4.4.0.1141.141
pkg:deb/ubuntu/linux-image-powerpc64-smp?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-powerpc64-smp-lts-xenial?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-powerpc64-smp-lts-xenial?distro=trusty < 4.4.0.193.169
pkg:deb/ubuntu/linux-image-powerpc64-smp-lts-wily?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-powerpc64-smp-lts-vivid?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-powerpc64-smp-lts-utopic?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-powerpc64-emb?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-powerpc64-emb-lts-xenial?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-powerpc64-emb-lts-xenial?distro=trusty < 4.4.0.193.169
pkg:deb/ubuntu/linux-image-powerpc64-emb-lts-wily?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-powerpc64-emb-lts-vivid?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-powerpc64-emb-lts-utopic?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-powerpc-smp?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-powerpc-smp-lts-xenial?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-powerpc-smp-lts-xenial?distro=trusty < 4.4.0.193.169
pkg:deb/ubuntu/linux-image-powerpc-smp-lts-wily?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-powerpc-smp-lts-vivid?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-powerpc-smp-lts-utopic?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-powerpc-e500mc?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-powerpc-e500mc-lts-xenial?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-powerpc-e500mc-lts-xenial?distro=trusty < 4.4.0.193.169
pkg:deb/ubuntu/linux-image-powerpc-e500mc-lts-wily?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-powerpc-e500mc-lts-vivid?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-powerpc-e500mc-lts-utopic?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-lowlatency?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-lowlatency-lts-xenial?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-lowlatency-lts-xenial?distro=trusty < 4.4.0.193.169
pkg:deb/ubuntu/linux-image-lowlatency-lts-wily?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-lowlatency-lts-vivid?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-lowlatency-lts-utopic?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-kvm?distro=xenial < 4.4.0.1082.80
pkg:deb/ubuntu/linux-image-generic?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-generic-lts-xenial?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-generic-lts-xenial?distro=trusty < 4.4.0.193.169
pkg:deb/ubuntu/linux-image-generic-lts-wily?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-generic-lts-vivid?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-generic-lts-utopic?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-generic-lpae?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-generic-lpae-lts-xenial?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-generic-lpae-lts-xenial?distro=trusty < 4.4.0.193.169
pkg:deb/ubuntu/linux-image-generic-lpae-lts-wily?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-generic-lpae-lts-vivid?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-generic-lpae-lts-utopic?distro=xenial < 4.4.0.193.199
pkg:deb/ubuntu/linux-image-aws?distro=xenial < 4.4.0.1117.122
pkg:deb/ubuntu/linux-image-aws?distro=trusty < 4.4.0.1081.78
pkg:deb/ubuntu/linux-image-4.4.0-193-powerpc64-smp?distro=xenial < 4.4.0-193.224
pkg:deb/ubuntu/linux-image-4.4.0-193-powerpc64-smp?distro=trusty < 4.4.0-193.224~14.04.1
pkg:deb/ubuntu/linux-image-4.4.0-193-powerpc64-emb?distro=xenial < 4.4.0-193.224
pkg:deb/ubuntu/linux-image-4.4.0-193-powerpc64-emb?distro=trusty < 4.4.0-193.224~14.04.1
pkg:deb/ubuntu/linux-image-4.4.0-193-powerpc-smp?distro=xenial < 4.4.0-193.224
pkg:deb/ubuntu/linux-image-4.4.0-193-powerpc-smp?distro=trusty < 4.4.0-193.224~14.04.1
pkg:deb/ubuntu/linux-image-4.4.0-193-powerpc-e500mc?distro=xenial < 4.4.0-193.224
pkg:deb/ubuntu/linux-image-4.4.0-193-powerpc-e500mc?distro=trusty < 4.4.0-193.224~14.04.1
pkg:deb/ubuntu/linux-image-4.4.0-193-lowlatency?distro=xenial < 4.4.0-193.224
pkg:deb/ubuntu/linux-image-4.4.0-193-lowlatency?distro=trusty < 4.4.0-193.224~14.04.1
pkg:deb/ubuntu/linux-image-4.4.0-193-generic?distro=xenial < 4.4.0-193.224
pkg:deb/ubuntu/linux-image-4.4.0-193-generic?distro=trusty < 4.4.0-193.224~14.04.1
pkg:deb/ubuntu/linux-image-4.4.0-193-generic-lpae?distro=xenial < 4.4.0-193.224
pkg:deb/ubuntu/linux-image-4.4.0-193-generic-lpae?distro=trusty < 4.4.0-193.224~14.04.1
pkg:deb/ubuntu/linux-image-4.4.0-1145-snapdragon?distro=xenial < 4.4.0-1145.155
pkg:deb/ubuntu/linux-image-4.4.0-1141-raspi2?distro=xenial < 4.4.0-1141.151
pkg:deb/ubuntu/linux-image-4.4.0-1117-aws?distro=xenial < 4.4.0-1117.131
pkg:deb/ubuntu/linux-image-4.4.0-1082-kvm?distro=xenial < 4.4.0-1082.91
pkg:deb/ubuntu/linux-image-4.4.0-1081-aws?distro=trusty < 4.4.0-1081.85
ID
USN-4579-1
Severity
high
URL
https://ubuntu.com/security/notices/USN-4579-1
Published
2020-10-14T02:12:10
(3 years ago)
Modified
2020-10-14T02:12:10
(3 years ago)
Other Advisories
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 < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-virtual-lts-xenial?distro=xenial ubuntu linux-image-virtual-lts-xenial < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-virtual-lts-xenial?distro=trusty ubuntu linux-image-virtual-lts-xenial < 4.4.0.193.169 trusty
Affected pkg:deb/ubuntu/linux-image-virtual-lts-wily?distro=xenial ubuntu linux-image-virtual-lts-wily < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-virtual-lts-vivid?distro=xenial ubuntu linux-image-virtual-lts-vivid < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-virtual-lts-utopic?distro=xenial ubuntu linux-image-virtual-lts-utopic < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-snapdragon?distro=xenial ubuntu linux-image-snapdragon < 4.4.0.1145.137 xenial
Affected pkg:deb/ubuntu/linux-image-raspi2?distro=xenial ubuntu linux-image-raspi2 < 4.4.0.1141.141 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc64-smp?distro=xenial ubuntu linux-image-powerpc64-smp < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc64-smp-lts-xenial?distro=xenial ubuntu linux-image-powerpc64-smp-lts-xenial < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc64-smp-lts-xenial?distro=trusty ubuntu linux-image-powerpc64-smp-lts-xenial < 4.4.0.193.169 trusty
Affected pkg:deb/ubuntu/linux-image-powerpc64-smp-lts-wily?distro=xenial ubuntu linux-image-powerpc64-smp-lts-wily < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc64-smp-lts-vivid?distro=xenial ubuntu linux-image-powerpc64-smp-lts-vivid < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc64-smp-lts-utopic?distro=xenial ubuntu linux-image-powerpc64-smp-lts-utopic < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc64-emb?distro=xenial ubuntu linux-image-powerpc64-emb < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc64-emb-lts-xenial?distro=xenial ubuntu linux-image-powerpc64-emb-lts-xenial < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc64-emb-lts-xenial?distro=trusty ubuntu linux-image-powerpc64-emb-lts-xenial < 4.4.0.193.169 trusty
Affected pkg:deb/ubuntu/linux-image-powerpc64-emb-lts-wily?distro=xenial ubuntu linux-image-powerpc64-emb-lts-wily < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc64-emb-lts-vivid?distro=xenial ubuntu linux-image-powerpc64-emb-lts-vivid < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc64-emb-lts-utopic?distro=xenial ubuntu linux-image-powerpc64-emb-lts-utopic < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc-smp?distro=xenial ubuntu linux-image-powerpc-smp < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc-smp-lts-xenial?distro=xenial ubuntu linux-image-powerpc-smp-lts-xenial < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc-smp-lts-xenial?distro=trusty ubuntu linux-image-powerpc-smp-lts-xenial < 4.4.0.193.169 trusty
Affected pkg:deb/ubuntu/linux-image-powerpc-smp-lts-wily?distro=xenial ubuntu linux-image-powerpc-smp-lts-wily < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc-smp-lts-vivid?distro=xenial ubuntu linux-image-powerpc-smp-lts-vivid < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc-smp-lts-utopic?distro=xenial ubuntu linux-image-powerpc-smp-lts-utopic < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc-e500mc?distro=xenial ubuntu linux-image-powerpc-e500mc < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc-e500mc-lts-xenial?distro=xenial ubuntu linux-image-powerpc-e500mc-lts-xenial < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc-e500mc-lts-xenial?distro=trusty ubuntu linux-image-powerpc-e500mc-lts-xenial < 4.4.0.193.169 trusty
Affected pkg:deb/ubuntu/linux-image-powerpc-e500mc-lts-wily?distro=xenial ubuntu linux-image-powerpc-e500mc-lts-wily < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc-e500mc-lts-vivid?distro=xenial ubuntu linux-image-powerpc-e500mc-lts-vivid < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-powerpc-e500mc-lts-utopic?distro=xenial ubuntu linux-image-powerpc-e500mc-lts-utopic < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-lowlatency?distro=xenial ubuntu linux-image-lowlatency < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-lowlatency-lts-xenial?distro=xenial ubuntu linux-image-lowlatency-lts-xenial < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-lowlatency-lts-xenial?distro=trusty ubuntu linux-image-lowlatency-lts-xenial < 4.4.0.193.169 trusty
Affected pkg:deb/ubuntu/linux-image-lowlatency-lts-wily?distro=xenial ubuntu linux-image-lowlatency-lts-wily < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-lowlatency-lts-vivid?distro=xenial ubuntu linux-image-lowlatency-lts-vivid < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-lowlatency-lts-utopic?distro=xenial ubuntu linux-image-lowlatency-lts-utopic < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-kvm?distro=xenial ubuntu linux-image-kvm < 4.4.0.1082.80 xenial
Affected pkg:deb/ubuntu/linux-image-generic?distro=xenial ubuntu linux-image-generic < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-generic-lts-xenial?distro=xenial ubuntu linux-image-generic-lts-xenial < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-generic-lts-xenial?distro=trusty ubuntu linux-image-generic-lts-xenial < 4.4.0.193.169 trusty
Affected pkg:deb/ubuntu/linux-image-generic-lts-wily?distro=xenial ubuntu linux-image-generic-lts-wily < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-generic-lts-vivid?distro=xenial ubuntu linux-image-generic-lts-vivid < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-generic-lts-utopic?distro=xenial ubuntu linux-image-generic-lts-utopic < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-generic-lpae?distro=xenial ubuntu linux-image-generic-lpae < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-generic-lpae-lts-xenial?distro=xenial ubuntu linux-image-generic-lpae-lts-xenial < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-generic-lpae-lts-xenial?distro=trusty ubuntu linux-image-generic-lpae-lts-xenial < 4.4.0.193.169 trusty
Affected pkg:deb/ubuntu/linux-image-generic-lpae-lts-wily?distro=xenial ubuntu linux-image-generic-lpae-lts-wily < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-generic-lpae-lts-vivid?distro=xenial ubuntu linux-image-generic-lpae-lts-vivid < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-generic-lpae-lts-utopic?distro=xenial ubuntu linux-image-generic-lpae-lts-utopic < 4.4.0.193.199 xenial
Affected pkg:deb/ubuntu/linux-image-aws?distro=xenial ubuntu linux-image-aws < 4.4.0.1117.122 xenial
Affected pkg:deb/ubuntu/linux-image-aws?distro=trusty ubuntu linux-image-aws < 4.4.0.1081.78 trusty
Affected pkg:deb/ubuntu/linux-image-4.4.0-193-powerpc64-smp?distro=xenial ubuntu linux-image-4.4.0-193-powerpc64-smp < 4.4.0-193.224 xenial
Affected pkg:deb/ubuntu/linux-image-4.4.0-193-powerpc64-smp?distro=trusty ubuntu linux-image-4.4.0-193-powerpc64-smp < 4.4.0-193.224~14.04.1 trusty
Affected pkg:deb/ubuntu/linux-image-4.4.0-193-powerpc64-emb?distro=xenial ubuntu linux-image-4.4.0-193-powerpc64-emb < 4.4.0-193.224 xenial
Affected pkg:deb/ubuntu/linux-image-4.4.0-193-powerpc64-emb?distro=trusty ubuntu linux-image-4.4.0-193-powerpc64-emb < 4.4.0-193.224~14.04.1 trusty
Affected pkg:deb/ubuntu/linux-image-4.4.0-193-powerpc-smp?distro=xenial ubuntu linux-image-4.4.0-193-powerpc-smp < 4.4.0-193.224 xenial
Affected pkg:deb/ubuntu/linux-image-4.4.0-193-powerpc-smp?distro=trusty ubuntu linux-image-4.4.0-193-powerpc-smp < 4.4.0-193.224~14.04.1 trusty
Affected pkg:deb/ubuntu/linux-image-4.4.0-193-powerpc-e500mc?distro=xenial ubuntu linux-image-4.4.0-193-powerpc-e500mc < 4.4.0-193.224 xenial
Affected pkg:deb/ubuntu/linux-image-4.4.0-193-powerpc-e500mc?distro=trusty ubuntu linux-image-4.4.0-193-powerpc-e500mc < 4.4.0-193.224~14.04.1 trusty
Affected pkg:deb/ubuntu/linux-image-4.4.0-193-lowlatency?distro=xenial ubuntu linux-image-4.4.0-193-lowlatency < 4.4.0-193.224 xenial
Affected pkg:deb/ubuntu/linux-image-4.4.0-193-lowlatency?distro=trusty ubuntu linux-image-4.4.0-193-lowlatency < 4.4.0-193.224~14.04.1 trusty
Affected pkg:deb/ubuntu/linux-image-4.4.0-193-generic?distro=xenial ubuntu linux-image-4.4.0-193-generic < 4.4.0-193.224 xenial
Affected pkg:deb/ubuntu/linux-image-4.4.0-193-generic?distro=trusty ubuntu linux-image-4.4.0-193-generic < 4.4.0-193.224~14.04.1 trusty
Affected pkg:deb/ubuntu/linux-image-4.4.0-193-generic-lpae?distro=xenial ubuntu linux-image-4.4.0-193-generic-lpae < 4.4.0-193.224 xenial
Affected pkg:deb/ubuntu/linux-image-4.4.0-193-generic-lpae?distro=trusty ubuntu linux-image-4.4.0-193-generic-lpae < 4.4.0-193.224~14.04.1 trusty
Affected pkg:deb/ubuntu/linux-image-4.4.0-1145-snapdragon?distro=xenial ubuntu linux-image-4.4.0-1145-snapdragon < 4.4.0-1145.155 xenial
Affected pkg:deb/ubuntu/linux-image-4.4.0-1141-raspi2?distro=xenial ubuntu linux-image-4.4.0-1141-raspi2 < 4.4.0-1141.151 xenial
Affected pkg:deb/ubuntu/linux-image-4.4.0-1117-aws?distro=xenial ubuntu linux-image-4.4.0-1117-aws < 4.4.0-1117.131 xenial
Affected pkg:deb/ubuntu/linux-image-4.4.0-1082-kvm?distro=xenial ubuntu linux-image-4.4.0-1082-kvm < 4.4.0-1082.91 xenial
Affected pkg:deb/ubuntu/linux-image-4.4.0-1081-aws?distro=trusty ubuntu linux-image-4.4.0-1081-aws < 4.4.0-1081.85 trusty
# 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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