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CVE-2020-10757

Publication date 4 June 2020

Last updated 9 October 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.8 · High

Score breakdown

A flaw was found in the Linux Kernel in versions after 4.5-rc1 in the way mremap handled DAX Huge Pages. This flaw allows a local attacker with access to a DAX enabled storage to escalate their privileges on the system.

From the Ubuntu Security Team

Fan Yang discovered that the mremap implementation in the Linux kernel did not properly handle DAX Huge Pages. A local attacker with access to DAX storage could use this to gain administrative privileges.

Status

Package Ubuntu Release Status
linux 24.04 LTS noble
Not affected
22.04 LTS jammy
Not affected
20.10 groovy
Not affected
20.04 LTS focal
Fixed 5.4.0-45.49
19.10 eoan Ignored end of life, was pending
18.04 LTS bionic
Fixed 4.15.0-112.113
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected
linux-aws 24.04 LTS noble
Not affected
22.04 LTS jammy
Not affected
20.10 groovy
Not affected
20.04 LTS focal
Fixed 5.4.0-1022.22
19.10 eoan Ignored end of life, was pending
18.04 LTS bionic
Fixed 4.15.0-1079.83
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected
linux-aws-5.0 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
18.04 LTS bionic Ignored end of life, was needs-triage
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-aws-5.15 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Not affected
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-aws-5.3 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
18.04 LTS bionic
Fixed 5.3.0-1032.34~18.04.2
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-aws-5.4 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
18.04 LTS bionic
Fixed 5.4.0-1022.22~18.04.1
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-aws-6.8 24.04 LTS noble Not in release
22.04 LTS jammy
Not affected
20.04 LTS focal Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-aws-fips 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Ignored end of standard support
14.04 LTS trusty Not in release
linux-aws-hwe 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial
Fixed 4.15.0-1079.83~16.04.1
14.04 LTS trusty Not in release
linux-azure 24.04 LTS noble
Not affected
22.04 LTS jammy
Not affected
20.10 groovy
Not affected
20.04 LTS focal
Fixed 5.4.0-1023.23
19.10 eoan Ignored end of life, was pending
18.04 LTS bionic Ignored end of life, was needs-triage
16.04 LTS xenial
Fixed 4.15.0-1092.102~16.04.1
14.04 LTS trusty
Vulnerable, work in progress
linux-azure-4.15 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
18.04 LTS bionic
Fixed 4.15.0-1092.102
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-azure-5.15 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Not affected
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-azure-5.3 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
18.04 LTS bionic
Fixed 5.3.0-1034.35~18.04.1
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-azure-5.4 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
18.04 LTS bionic
Fixed 5.4.0-1023.23~18.04.1
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-azure-edge 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
18.04 LTS bionic Ignored end of life, was needs-triage
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-azure-fde 24.04 LTS noble Not in release
22.04 LTS jammy
Not affected
20.04 LTS focal Ignored superseded by linux-azure-fde-5.15
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-azure-fde-5.15 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Not affected
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-azure-fips 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Ignored end of standard support
14.04 LTS trusty Not in release
linux-bluefield 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Not affected
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-fips 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-gcp 24.04 LTS noble
Not affected
22.04 LTS jammy
Not affected
20.10 groovy
Not affected
20.04 LTS focal
Fixed 5.4.0-1022.22
19.10 eoan Ignored end of life, was pending
18.04 LTS bionic Ignored end of life, was needs-triage
16.04 LTS xenial
Fixed 4.15.0-1080.90~16.04.1
14.04 LTS trusty Not in release
linux-gcp-4.15 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
18.04 LTS bionic
Fixed 4.15.0-1080.90
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-gcp-5.15 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Not affected
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-gcp-5.3 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
18.04 LTS bionic
Fixed 5.3.0-1032.34~18.04.1
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-gcp-5.4 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
18.04 LTS bionic
Fixed 5.4.0-1022.22~18.04.1
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-gcp-6.8 24.04 LTS noble Not in release
22.04 LTS jammy
Not affected
20.04 LTS focal Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-gcp-edge 20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
18.04 LTS bionic Ignored end of life, was needs-triage
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-gcp-fips 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Ignored end of standard support
14.04 LTS trusty Not in release
linux-gke 24.04 LTS noble
Not affected
22.04 LTS jammy
Not affected
20.04 LTS focal Ignored end of kernel support
18.04 LTS bionic Not in release
16.04 LTS xenial Ignored end of standard support
14.04 LTS trusty Not in release
linux-gke-4.15 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
18.04 LTS bionic
Fixed 4.15.0-1066.69
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-gke-5.0 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
18.04 LTS bionic
Fixed 5.0.0-1045.46
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-gke-5.3 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
18.04 LTS bionic
Fixed 5.3.0-1032.34~18.04.1
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-gkeop 24.04 LTS noble Not in release
22.04 LTS jammy
Not affected
20.04 LTS focal
Not affected
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-gkeop-5.15 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Not affected
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-hwe 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
18.04 LTS bionic
Fixed 5.3.0-64.58~18.04.1
16.04 LTS xenial
Fixed 4.15.0-112.113~16.04.1
14.04 LTS trusty Not in release
linux-hwe-5.15 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Not affected
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-hwe-5.4 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
18.04 LTS bionic
Fixed 5.4.0-45.49~18.04.2
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-hwe-6.8 24.04 LTS noble Not in release
22.04 LTS jammy
Not affected
20.04 LTS focal Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-hwe-edge 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
18.04 LTS bionic Ignored end of life, was needs-triage
16.04 LTS xenial Ignored end of life, was needs-triage
14.04 LTS trusty Not in release
linux-ibm 24.04 LTS noble
Not affected
22.04 LTS jammy
Not affected
20.04 LTS focal
Not affected
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-ibm-5.15 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Not affected
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-ibm-5.4 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Not in release
18.04 LTS bionic
Not affected
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-intel 24.04 LTS noble
Not affected
22.04 LTS jammy Not in release
20.04 LTS focal Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-intel-iot-realtime 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-intel-iotg 24.04 LTS noble Not in release
22.04 LTS jammy
Not affected
20.04 LTS focal Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-intel-iotg-5.15 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Not affected
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-iot 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Not affected
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-kvm 24.04 LTS noble Not in release
22.04 LTS jammy
Not affected
20.10 groovy
Not affected
20.04 LTS focal
Fixed 5.4.0-1021.21
19.10 eoan Ignored end of life, was pending
18.04 LTS bionic
Fixed 4.15.0-1071.72
16.04 LTS xenial
Not affected
14.04 LTS trusty Not in release
linux-lowlatency 24.04 LTS noble
Not affected
22.04 LTS jammy
Not affected
20.04 LTS focal Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-lowlatency-hwe-5.15 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Not affected
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-lowlatency-hwe-6.8 24.04 LTS noble Not in release
22.04 LTS jammy
Not affected
20.04 LTS focal Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-lts-trusty 20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-lts-xenial 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty
Not affected
linux-nvidia 24.04 LTS noble
Not affected
22.04 LTS jammy
Not affected
20.04 LTS focal Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-nvidia-6.5 24.04 LTS noble Not in release
22.04 LTS jammy
Not affected
20.04 LTS focal Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-nvidia-6.8 24.04 LTS noble Not in release
22.04 LTS jammy
Not affected
20.04 LTS focal Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-nvidia-lowlatency 24.04 LTS noble
Not affected
22.04 LTS jammy Not in release
20.04 LTS focal Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-oem 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Ignored end of life
18.04 LTS bionic
Fixed 4.15.0-1093.103
16.04 LTS xenial Ignored end of standard support, was needs-triage
14.04 LTS trusty Not in release
linux-oem-5.6 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.10 groovy
Not affected
20.04 LTS focal
Fixed 5.6.0-1018.18
19.10 eoan Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-oem-6.8 24.04 LTS noble
Not affected
22.04 LTS jammy Not in release
20.04 LTS focal Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-oem-osp1 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Ignored end of life
18.04 LTS bionic
Fixed 5.0.0-1065.70
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-oracle 24.04 LTS noble
Not affected
22.04 LTS jammy
Not affected
20.10 groovy
Not affected
20.04 LTS focal
Fixed 5.4.0-1022.22
19.10 eoan Ignored end of life, was pending
18.04 LTS bionic
Fixed 4.15.0-1050.54
16.04 LTS xenial
Fixed 4.15.0-1050.54~16.04.1
14.04 LTS trusty Not in release
linux-oracle-5.0 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
18.04 LTS bionic Ignored end of life, was needs-triage
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-oracle-5.15 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Not affected
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-oracle-5.3 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
18.04 LTS bionic
Fixed 5.3.0-1030.32~18.04.1
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-oracle-5.4 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
18.04 LTS bionic
Fixed 5.4.0-1022.22~18.04.1
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-oracle-6.8 24.04 LTS noble Not in release
22.04 LTS jammy
Not affected
20.04 LTS focal Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-raspi 24.04 LTS noble
Not affected
22.04 LTS jammy
Not affected
20.10 groovy
Not affected
20.04 LTS focal
Fixed 5.4.0-1016.17
19.10 eoan Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-raspi-5.4 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
18.04 LTS bionic
Fixed 5.4.0-1016.17~18.04.1
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-raspi-realtime 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-raspi2 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.10 groovy Not in release
20.04 LTS focal Ignored end of life, was needs-triage
19.10 eoan Ignored end of life, was pending
18.04 LTS bionic
Fixed 4.15.0-1067.71
16.04 LTS xenial
Not affected
14.04 LTS trusty Not in release
linux-raspi2-5.3 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
18.04 LTS bionic
Fixed 5.3.0-1030.32~18.04.2
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-realtime 24.04 LTS noble Not in release
22.04 LTS jammy Ignored superseded by Ubuntu Pro ppa version
20.04 LTS focal Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-riscv 24.04 LTS noble
Not affected
22.04 LTS jammy Ignored end of kernel support
20.10 groovy
Not affected
20.04 LTS focal
Fixed 5.4.0-31.35
19.10 eoan Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-riscv-5.15 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Not affected
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-riscv-6.8 24.04 LTS noble Not in release
22.04 LTS jammy
Not affected
20.04 LTS focal Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-snapdragon 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
18.04 LTS bionic
Fixed 4.15.0-1083.91
16.04 LTS xenial
Not affected
14.04 LTS trusty Not in release
linux-xilinx-zynqmp 24.04 LTS noble Not in release
22.04 LTS jammy
Not affected
20.04 LTS focal
Not affected
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
linux

Severity score breakdown

Parameter Value
Base score 7.8 · High
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-4426-1
    • Linux kernel vulnerabilities
    • 27 July 2020
    • USN-4439-1
    • Linux kernel vulnerabilities
    • 27 July 2020
    • USN-4440-1
    • linux kernel vulnerabilities
    • 31 July 2020
    • USN-4483-1
    • Linux kernel vulnerabilities
    • 3 September 2020
    • LSN-0069-1
    • Kernel Live Patch Security Notice
    • 27 July 2020

Other references