USN-4255-2

Source
https://ubuntu.com/security/notices/USN-4255-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4255-2.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4255-2
Related
Published
2020-01-28T23:07:46.343833Z
Modified
2020-01-28T23:07:46.343833Z
Summary
linux-hwe, linux-aws-hwe vulnerabilities
Details

USN-4255-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 18.04 LTS for Ubuntu 16.04 LTS.

It was discovered that the Linux kernel did not properly clear data structures on context switches for certain Intel graphics processors. A local attacker could use this to expose sensitive information. (CVE-2019-14615)

It was discovered that a race condition can lead to a use-after-free while destroying GEM contexts in the i915 driver for the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2020-7053)

References

Affected packages

Ubuntu:16.04:LTS / linux-aws-hwe

Package

Name
linux-aws-hwe
Purl
pkg:deb/ubuntu/linux-aws-hwe?arch=src?distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.15.0-1058.60~16.04.1

Affected versions

4.*

4.15.0-1030.31~16.04.1
4.15.0-1031.33~16.04.1
4.15.0-1032.34~16.04.1
4.15.0-1033.35~16.04.1
4.15.0-1035.37~16.04.1
4.15.0-1036.38~16.04.1
4.15.0-1039.41~16.04.1
4.15.0-1040.42~16.04.1
4.15.0-1041.43~16.04.1
4.15.0-1043.45~16.04.1
4.15.0-1044.46~16.04.1
4.15.0-1045.47~16.04.1
4.15.0-1047.49~16.04.1
4.15.0-1048.50~16.04.1
4.15.0-1050.52~16.04.1
4.15.0-1051.53~16.04.1
4.15.0-1052.54~16.04.1
4.15.0-1054.56~16.04.1
4.15.0-1056.58~16.04.1
4.15.0-1057.59~16.04.1

Ecosystem specific

{
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    "binaries": [
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            "binary_name": "linux-aws-headers-4.15.0-1058"
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Ubuntu:16.04:LTS / linux-hwe

Package

Name
linux-hwe
Purl
pkg:deb/ubuntu/linux-hwe?arch=src?distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.15.0-76.86~16.04.1

Affected versions

4.*

4.8.0-36.36~16.04.1
4.8.0-39.42~16.04.1
4.8.0-41.44~16.04.1
4.8.0-42.45~16.04.1
4.8.0-44.47~16.04.1
4.8.0-45.48~16.04.1
4.8.0-46.49~16.04.1
4.8.0-49.52~16.04.1
4.8.0-51.54~16.04.1
4.8.0-52.55~16.04.1
4.8.0-53.56~16.04.1
4.8.0-54.57~16.04.1
4.8.0-56.61~16.04.1
4.8.0-58.63~16.04.1
4.10.0-27.30~16.04.2
4.10.0-28.32~16.04.2
4.10.0-30.34~16.04.1
4.10.0-32.36~16.04.1
4.10.0-33.37~16.04.1
4.10.0-35.39~16.04.1
4.10.0-37.41~16.04.1
4.10.0-38.42~16.04.1
4.10.0-40.44~16.04.1
4.10.0-42.46~16.04.1
4.13.0-26.29~16.04.2
4.13.0-31.34~16.04.1
4.13.0-32.35~16.04.1
4.13.0-36.40~16.04.1
4.13.0-37.42~16.04.1
4.13.0-38.43~16.04.1
4.13.0-39.44~16.04.1
4.13.0-41.46~16.04.1
4.13.0-43.48~16.04.1
4.13.0-45.50~16.04.1
4.15.0-24.26~16.04.1
4.15.0-29.31~16.04.1
4.15.0-30.32~16.04.1
4.15.0-32.35~16.04.1
4.15.0-33.36~16.04.1
4.15.0-34.37~16.04.1
4.15.0-36.39~16.04.1
4.15.0-38.41~16.04.1
4.15.0-39.42~16.04.1
4.15.0-42.45~16.04.1
4.15.0-43.46~16.04.1
4.15.0-45.48~16.04.1
4.15.0-46.49~16.04.1
4.15.0-47.50~16.04.1
4.15.0-48.51~16.04.1
4.15.0-50.54~16.04.1
4.15.0-51.55~16.04.1
4.15.0-52.56~16.04.1
4.15.0-54.58~16.04.1
4.15.0-55.60~16.04.2
4.15.0-58.64~16.04.1
4.15.0-60.67~16.04.1
4.15.0-62.69~16.04.1
4.15.0-64.73~16.04.1
4.15.0-65.74~16.04.1
4.15.0-66.75~16.04.1
4.15.0-69.78~16.04.1
4.15.0-70.79~16.04.1
4.15.0-72.81~16.04.1
4.15.0-74.83~16.04.1

Ecosystem specific

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