CVE-2020-25704

Aliases:UBUNTU-CVE-2020-25704DEBIAN-CVE-2020-25704
Advisory lineage Upstream: 0 Downstream: 33
Modified
Published: 02 Dec 2020, 00:00
Last modified:04 Aug 2024, 15:40

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.35% LOW
0% probability +0.29%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

02 Dec 2020, 00:00
Published
Vulnerability first disclosed
04 Aug 2024, 15:40
Last Modified
Vulnerability information updated

Description

A flaw memory leak in the Linux kernel performance monitoring subsystem was found in the way if using PERF_EVENT_IOC_SET_FILTER. A local user could use this flaw to starve the resources causing denial of service.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • v2.0•MEDIUM•Score: 4.9AV:L/AC:L/Au:N/C:N/I:N/A:C

EPSS Trends

Current EPSS score: 0.35%• Percentile: 29%

Techniques & Countermeasures

  • CWE-401•Missing Release of Memory after Effective Lifetime

    The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

Affected Systems

  • debian•linux

    < 5.9.6-1 | < 5.9.6-1 | < 5.9.6-1 | < 5.9.6-1

  • ubuntu•linux

    < 4.15.0-135.139 | < 5.4.0-59.65

  • ubuntu•linux-aws

    < 4.15.0-1093.99 | < 5.4.0-1034.35

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.4

    < 5.4.0-1034.35~18.04.1

  • ubuntu•linux-aws-fips

    < 4.15.0-2036.38 | all | < 5.4.0-1069.73+fips2

  • ubuntu•linux-aws-hwe

    < 4.15.0-1093.99~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1106.118~14.04.1 | < 4.15.0-1106.118~16.04.1 | all | < 5.4.0-1035.36

  • ubuntu•linux-azure-4.15

    < 4.15.0-1106.118

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1035.36~18.04.1

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fips

    < 4.15.0-2018.21 | all | < 5.4.0-1073.76+fips1

  • ubuntu•linux-bluefield

    all

  • ubuntu•linux-dell300x

    < 4.15.0-1011.15

  • ubuntu•linux-fips

    < 4.15.0-1052.60 | all

  • ubuntu•linux-gcp

    < 4.15.0-1092.105~16.04.1 | all | < 5.4.0-1033.35

  • ubuntu•linux-gcp-4.15

    < 4.15.0-1092.105

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1033.35~18.04.1

  • ubuntu•linux-gcp-edge

    all

  • ubuntu•linux-gcp-fips

    all | < 5.4.0-1067.71~20.04.1

  • ubuntu•linux-gke-4.15

    < 4.15.0-1078.83

  • ubuntu•linux-gke-5.4

    < 5.4.0-1033.35~18.04.1

  • ubuntu•linux-gkeop-5.4

    < 5.4.0-1008.9~18.04.1

  • ubuntu•linux-hwe

    < 4.15.0-133.137~16.04.1 | all

  • ubuntu•linux-hwe-5.4

    < 5.4.0-59.65~18.04.1

  • ubuntu•linux-hwe-5.8

    < 5.8.0-44.50~20.04.1

  • ubuntu•linux-hwe-edge

    all | all

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-kvm

    < 4.15.0-1084.86 | < 5.4.0-1031.32

  • ubuntu•linux-oem

    all

  • ubuntu•linux-oem-5.6

    < 5.6.0-1048.52

  • ubuntu•linux-oracle

    < 4.15.0-1064.71~16.04.1 | < 4.15.0-1064.71 | < 5.4.0-1034.36

  • ubuntu•linux-oracle-5.0

    all

  • ubuntu•linux-oracle-5.3

    all

  • ubuntu•linux-oracle-5.4

    < 5.4.0-1034.36~18.04.1

  • ubuntu•linux-raspi

    < 5.4.0-1026.29

  • ubuntu•linux-raspi-5.4

    < 5.4.0-1026.29~18.04.1

  • ubuntu•linux-raspi-realtime

    all

  • ubuntu•linux-raspi2

    < 4.15.0-1078.83 | all

  • ubuntu•linux-realtime

    all

  • ubuntu•linux-riscv

    < 5.4.0-40.45

  • ubuntu•linux-riscv-5.8

    < 5.8.0-17.19~20.04.1

  • ubuntu•linux-snapdragon

    < 4.15.0-1095.104

  • debian•debian_linux

    9.0

  • linux•linux_kernel

    ≤ 5.9 | 5.10:rc1 | 5.10:rc2

  • starwindsoftware•command_center

    na

  • starwindsoftware•starwind_hyperconverged_appliance

    na

Showing first 50 affected entries in server-rendered view.

References (15)