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UBUNTU-CVE-2022-27666 High

UBUNTU-CVE-2022-27666

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.

Exploit probability Not scored
Published March 23, 2022
Required by Not available
Last source change August 17, 2026

02 / AFFECTED SOFTWARE

Affected packages

Ubuntu:20.04:LTS linux-intel-iotg-5.15

1 explicit affected versions

Ubuntu:18.04:LTS linux-oem

50 explicit affected versions

Ubuntu:18.04:LTS linux-aws-5.0

6 explicit affected versions

Ubuntu:20.04:LTS linux-aws-5.11

12 explicit affected versions

Ubuntu:20.04:LTS linux-raspi2

6 explicit affected versions

Ubuntu:Pro:FIPS-updates:20.04:LTS linux-fips

16 explicit affected versions

Ubuntu:18.04:LTS linux-aws

79 explicit affected versions

Ubuntu:20.04:LTS linux-kvm

42 explicit affected versions

Ubuntu:18.04:LTS linux-oracle

59 explicit affected versions

Ubuntu:Pro:FIPS-updates:18.04:LTS linux-azure-fips

32 explicit affected versions

Ubuntu:20.04:LTS linux-oem-5.14

13 explicit affected versions

Ubuntu:18.04:LTS linux

91 explicit affected versions

Ubuntu:20.04:LTS linux-aws-5.13

6 explicit affected versions

Ubuntu:20.04:LTS linux-aws-5.8

4 explicit affected versions

Ubuntu:16.04:LTS linux-hwe-edge

23 explicit affected versions

Ubuntu:Pro:FIPS:18.04:LTS linux-gcp-fips

1 explicit affected versions

Ubuntu:24.04:LTS linux-raspi-realtime

1 explicit affected versions

Ubuntu:20.04:LTS linux-hwe-5.8

21 explicit affected versions

Ubuntu:20.04:LTS linux-hwe-5.13

9 explicit affected versions

Ubuntu:Pro:FIPS-updates:20.04:LTS linux-aws-fips

2 explicit affected versions

Ubuntu:18.04:LTS linux-oracle-5.0

7 explicit affected versions

Ubuntu:20.04:LTS linux-riscv

12 explicit affected versions

Ubuntu:20.04:LTS linux-gcp-5.11

12 explicit affected versions

Ubuntu:22.04:LTS linux-intel-iot-realtime

1 explicit affected versions

Ubuntu:20.04:LTS linux-intel-5.13

7 explicit affected versions

Ubuntu:20.04:LTS linux-oem-5.13

12 explicit affected versions

Ubuntu:20.04:LTS linux-gcp

46 explicit affected versions

Ubuntu:18.04:LTS linux-ibm-5.4

6 explicit affected versions

Ubuntu:20.04:LTS linux

54 explicit affected versions

Ubuntu:20.04:LTS linux-oracle-5.11

12 explicit affected versions

Ubuntu:20.04:LTS linux-azure

45 explicit affected versions

Ubuntu:18.04:LTS linux-gcp-4.15

34 explicit affected versions

Ubuntu:18.04:LTS linux-hwe-edge

10 explicit affected versions

Ubuntu:18.04:LTS linux-gke-5.4

29 explicit affected versions

Ubuntu:18.04:LTS linux-snapdragon

57 explicit affected versions

Ubuntu:Pro:FIPS:20.04:LTS linux-aws-fips

1 explicit affected versions

Ubuntu:20.04:LTS linux-iot

1 explicit affected versions

Ubuntu:20.04:LTS linux-oem-5.10

26 explicit affected versions

Ubuntu:20.04:LTS linux-gcp-5.13

6 explicit affected versions

Ubuntu:Pro:FIPS:18.04:LTS linux-fips

1 explicit affected versions

Ubuntu:20.04:LTS linux-oem-5.6

29 explicit affected versions

Ubuntu:18.04:LTS linux-gcp-5.3

13 explicit affected versions

Ubuntu:18.04:LTS linux-kvm

73 explicit affected versions

Ubuntu:Pro:FIPS:18.04:LTS linux-azure-fips

1 explicit affected versions

Ubuntu:20.04:LTS linux-aws

47 explicit affected versions

Ubuntu:18.04:LTS linux-gke-4.15

33 explicit affected versions

Ubuntu:18.04:LTS linux-aws-5.3

10 explicit affected versions

Ubuntu:Pro:16.04:LTS linux-aws-hwe

58 explicit affected versions

Ubuntu:Nvidia-BlueField:24.04:LTS linux-bluefield

11 explicit affected versions

Ubuntu:20.04:LTS linux-hwe-5.11

12 explicit affected versions

Ubuntu:Pro:16.04:LTS linux-gcp

81 explicit affected versions

Ubuntu:20.04:LTS linux-azure-5.8

7 explicit affected versions

Ubuntu:20.04:LTS linux-oracle

45 explicit affected versions

Ubuntu:18.04:LTS linux-raspi2

77 explicit affected versions

Ubuntu:18.04:LTS linux-hwe-5.4

42 explicit affected versions

Ubuntu:Pro:FIPS:20.04:LTS linux-azure-fips

1 explicit affected versions

Ubuntu:20.04:LTS linux-ibm

13 explicit affected versions

Ubuntu:20.04:LTS linux-gke

24 explicit affected versions

Ubuntu:18.04:LTS linux-azure-4.15

35 explicit affected versions

Ubuntu:20.04:LTS linux-azure-5.13

5 explicit affected versions

Ubuntu:Pro:FIPS:18.04:LTS linux-aws-fips

1 explicit affected versions

Ubuntu:Pro:FIPS:20.04:LTS linux-fips

1 explicit affected versions

Ubuntu:Pro:FIPS-updates:18.04:LTS linux-fips

39 explicit affected versions

Ubuntu:20.04:LTS linux-oracle-5.8

5 explicit affected versions

Ubuntu:18.04:LTS linux-gcp-5.4

36 explicit affected versions

Ubuntu:Pro:FIPS:20.04:LTS linux-gcp-fips

1 explicit affected versions

Ubuntu:18.04:LTS linux-aws-5.4

35 explicit affected versions

Ubuntu:20.04:LTS linux-azure-5.11

13 explicit affected versions

Ubuntu:Pro:FIPS-updates:20.04:LTS linux-azure-fips

2 explicit affected versions

Ubuntu:Pro:FIPS-updates:18.04:LTS linux-aws-fips

35 explicit affected versions

Ubuntu:20.04:LTS linux-riscv-5.8

10 explicit affected versions

Ubuntu:20.04:LTS linux-oracle-5.13

5 explicit affected versions

Ubuntu:18.04:LTS linux-raspi-5.4

32 explicit affected versions

Ubuntu:18.04:LTS linux-azure

44 explicit affected versions

Ubuntu:18.04:LTS linux-azure-5.3

16 explicit affected versions

Ubuntu:20.04:LTS linux-riscv-5.11

13 explicit affected versions

Ubuntu:18.04:LTS linux-gkeop-5.4

29 explicit affected versions

Ubuntu:18.04:LTS linux-gcp

38 explicit affected versions

Ubuntu:18.04:LTS linux-oracle-5.3

9 explicit affected versions

Ubuntu:18.04:LTS linux-oracle-5.4

35 explicit affected versions

Ubuntu:20.04:LTS linux-bluefield

14 explicit affected versions

Ubuntu:Pro:16.04:LTS linux-azure

89 explicit affected versions

Ubuntu:Pro:14.04:LTS linux-azure

66 explicit affected versions

Ubuntu:20.04:LTS linux-gcp-5.8

4 explicit affected versions

Ubuntu:18.04:LTS linux-dell300x

23 explicit affected versions

Ubuntu:Pro:Realtime:22.04:LTS linux-realtime

1 explicit affected versions

Ubuntu:Pro:16.04:LTS linux-oracle

57 explicit affected versions

Ubuntu:18.04:LTS linux-azure-5.4

35 explicit affected versions

Ubuntu:18.04:LTS linux-hwe

43 explicit affected versions

Ubuntu:Pro:FIPS-updates:20.04:LTS linux-gcp-fips

2 explicit affected versions

Ubuntu:Pro:16.04:LTS linux-hwe

106 explicit affected versions

Ubuntu:20.04:LTS linux-raspi

36 explicit affected versions

Ubuntu:18.04:LTS linux-azure-edge

4 explicit affected versions

Ubuntu:20.04:LTS linux-gkeop

24 explicit affected versions

Ubuntu:22.04:LTS linux-realtime

1 explicit affected versions

Ubuntu:Pro:FIPS-updates:18.04:LTS linux-gcp-fips

13 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities UBUNTU-CVE-2022-27666

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.

View original source

05 / REFERENCES

Further evidence