UBUNTU-CVE-2022-27666

Advisory lineage Upstream: 1 Downstream: 8
Upstream
CVE-2022-27666
Published: 23 Mar 2022, 06:15
Last modified:04 Jul 2026, 19:21

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

23 Mar 2022, 06:15
Published
Vulnerability first disclosed
04 Jul 2026, 19:21
Last Modified
Vulnerability information updated

Description

A heap buffer overflow flaw was found in IPsec ESP transformation code in net/ipv4/esp4.c and net/ipv6/esp6.c. This flaw allows a local attacker with a normal user privilege to overwrite kernel heap objects and may cause a local privilege escalation threat.

CVSS Metrics

  • v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • ubuntu•linux

    < 4.15.0-175.184 | < 5.4.0-107.121

  • ubuntu•linux-aws

    < 4.15.0-1126.135 | < 5.4.0-1071.76

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.11

    all

  • ubuntu•linux-aws-5.13

    < 5.13.0-1021.23~20.04.2

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.4

    < 5.4.0-1071.76~18.04.1

  • ubuntu•linux-aws-5.8

    all

  • ubuntu•linux-aws-fips

    < 4.15.0-2065.68 | all | < 5.4.0-1071.76+fips1

  • ubuntu•linux-aws-hwe

    < 4.15.0-1126.135~16.04.2

  • ubuntu•linux-azure

    < 4.15.0-1136.149~14.04.1 | < 4.15.0-1136.149~16.04.1 | all | < 5.4.0-1074.77

  • ubuntu•linux-azure-4.15

    < 4.15.0-1136.149

  • ubuntu•linux-azure-5.11

    all

  • ubuntu•linux-azure-5.13

    < 5.13.0-1021.24~20.04.1

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1074.77~18.04.1

  • ubuntu•linux-azure-5.8

    all

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fips

    < 4.15.0-2047.51 | all | < 5.4.0-1074.77+fips1

  • ubuntu•linux-bluefield

    < 5.4.0-1032.35 | all

  • ubuntu•linux-dell300x

    < 4.15.0-1040.45

  • ubuntu•linux-fips

    < 4.15.0-1083.92 | all | < 5.4.0-1047.53

  • ubuntu•linux-gcp

    < 4.15.0-1120.134~16.04.1 | all | < 5.4.0-1069.73

  • ubuntu•linux-gcp-4.15

    < 4.15.0-1120.134

  • ubuntu•linux-gcp-5.11

    all

  • ubuntu•linux-gcp-5.13

    < 5.13.0-1023.28~20.04.1

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1069.73~18.04.1

  • ubuntu•linux-gcp-5.8

    all

  • ubuntu•linux-gcp-fips

    < 4.15.0-2030.33 | all | < 5.4.0-1069.73+fips2

  • ubuntu•linux-gke

    < 5.4.0-1067.70

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-gke-5.4

    < 5.4.0-1067.70~18.04.1

  • ubuntu•linux-gkeop

    < 5.4.0-1038.39

  • ubuntu•linux-gkeop-5.4

    < 5.4.0-1038.39~18.04.1

  • ubuntu•linux-hwe

    < 4.15.0-175.184~16.04.1 | all

  • ubuntu•linux-hwe-5.11

    all

  • ubuntu•linux-hwe-5.13

    < 5.13.0-39.44~20.04.1

  • ubuntu•linux-hwe-5.4

    < 5.4.0-107.121~18.04.1

  • ubuntu•linux-hwe-5.8

    all

  • ubuntu•linux-hwe-edge

    all | all

  • ubuntu•linux-ibm

    < 5.4.0-1019.21

  • ubuntu•linux-ibm-5.4

    < 5.4.0-1019.21~18.04.1

  • ubuntu•linux-intel-5.13

    all

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-intel-iotg-5.15

    < 5.15.0-1008.11~20.04.1

  • ubuntu•linux-iot

    < 5.4.0-1004.6

  • ubuntu•linux-kvm

    < 4.15.0-1112.115 | < 5.4.0-1061.64

  • ubuntu•linux-nvidia

    all

  • ubuntu•linux-nvidia-7.0

    all

Showing first 50 affected entries in server-rendered view.

References (12)