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UBUNTU-CVE-2023-1838 High

UBUNTU-CVE-2023-1838

A use-after-free flaw was found in vhost_net_set_backend in drivers/vhost/net.c in virtio network subcomponent in the Linux kernel due to a double fget. This flaw could allow a local attacker to crash the system, and could even lead to a kernel information leak problem.

Exploit probability Not scored
Published April 5, 2023
Required by Not available
Last source change August 17, 2026

02 / AFFECTED SOFTWARE

Affected packages

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

3 explicit affected versions

Ubuntu:22.04:LTS linux-ibm

8 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:22.04:LTS linux

16 explicit affected versions

Ubuntu:22.04:LTS linux-gkeop

1 explicit affected versions

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

25 explicit affected versions

Ubuntu:22.04:LTS linux-azure

12 explicit affected versions

Ubuntu:20.04:LTS linux-lowlatency-hwe-5.15

4 explicit affected versions

Ubuntu:22.04:LTS linux-gke

9 explicit affected versions

Ubuntu:22.04:LTS linux-raspi

10 explicit affected versions

Ubuntu:20.04:LTS linux-kvm

51 explicit affected versions

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

59 explicit affected versions

Ubuntu:20.04:LTS linux-oem-5.14

35 explicit affected versions

Ubuntu:20.04:LTS linux-gke-5.15

2 explicit affected versions

Ubuntu:Pro:18.04:LTS linux-oracle

90 explicit affected versions

Ubuntu:20.04:LTS linux-aws-5.13

13 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

16 explicit affected versions

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

9 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-riscv-5.15

2 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

56 explicit affected versions

Ubuntu:18.04:LTS linux-ibm-5.4

15 explicit affected versions

Ubuntu:20.04:LTS linux

64 explicit affected versions

Ubuntu:20.04:LTS linux-oracle-5.11

12 explicit affected versions

Ubuntu:20.04:LTS linux-azure

54 explicit affected versions

Ubuntu:18.04:LTS linux-hwe-edge

10 explicit affected versions

Ubuntu:18.04:LTS linux-gke-5.4

37 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

13 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:22.04:LTS linux-lowlatency

13 explicit affected versions

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

1 explicit affected versions

Ubuntu:22.04:LTS linux-aws

12 explicit affected versions

Ubuntu:20.04:LTS linux-aws

56 explicit affected versions

Ubuntu:18.04:LTS linux-gke-4.15

33 explicit affected versions

Ubuntu:22.04:LTS linux-riscv

23 explicit affected versions

Ubuntu:18.04:LTS linux-aws-5.3

10 explicit affected versions

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

88 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

111 explicit affected versions

Ubuntu:20.04:LTS linux-azure-5.8

7 explicit affected versions

Ubuntu:20.04:LTS linux-oracle

54 explicit affected versions

Ubuntu:20.04:LTS linux-oracle-5.15

3 explicit affected versions

Ubuntu:22.04:LTS linux-nvidia

1 explicit affected versions

Ubuntu:Pro:18.04:LTS linux-kvm

104 explicit affected versions

Ubuntu:22.04:LTS linux-oracle

10 explicit affected versions

Ubuntu:Pro:18.04:LTS linux

124 explicit affected versions

Ubuntu:18.04:LTS linux-hwe-5.4

52 explicit affected versions

Ubuntu:22.04:LTS linux-oem-5.17

5 explicit affected versions

Ubuntu:Pro:18.04:LTS linux-aws

111 explicit affected versions

Ubuntu:22.04:LTS linux-kvm

13 explicit affected versions

Ubuntu:20.04:LTS linux-gcp-5.15

4 explicit affected versions

Ubuntu:Pro:18.04:LTS linux-gcp-4.15

65 explicit affected versions

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

1 explicit affected versions

Ubuntu:20.04:LTS linux-ibm

22 explicit affected versions

Ubuntu:20.04:LTS linux-gke

33 explicit affected versions

Ubuntu:Pro:18.04:LTS linux-azure-4.15

64 explicit affected versions

Ubuntu:20.04:LTS linux-azure-5.13

12 explicit affected versions

Ubuntu:22.04:LTS linux-intel-iotg

4 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

68 explicit affected versions

Ubuntu:20.04:LTS linux-oracle-5.8

5 explicit affected versions

Ubuntu:18.04:LTS linux-gcp-5.4

46 explicit affected versions

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

1 explicit affected versions

Ubuntu:18.04:LTS linux-aws-5.4

43 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

11 explicit affected versions

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

66 explicit affected versions

Ubuntu:20.04:LTS linux-azure-5.15

5 explicit affected versions

Ubuntu:20.04:LTS linux-riscv-5.8

10 explicit affected versions

Ubuntu:20.04:LTS linux-oracle-5.13

12 explicit affected versions

Ubuntu:18.04:LTS linux-raspi-5.4

40 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

37 explicit affected versions

Ubuntu:18.04:LTS linux-gcp

38 explicit affected versions

Ubuntu:20.04:LTS linux-hwe-5.15

4 explicit affected versions

Ubuntu:18.04:LTS linux-oracle-5.3

9 explicit affected versions

Ubuntu:20.04:LTS linux-aws-5.15

3 explicit affected versions

Ubuntu:22.04:LTS linux-gcp

11 explicit affected versions

Ubuntu:18.04:LTS linux-oracle-5.4

44 explicit affected versions

Ubuntu:20.04:LTS linux-bluefield

21 explicit affected versions

Ubuntu:Pro:16.04:LTS linux-azure

115 explicit affected versions

Ubuntu:Pro:14.04:LTS linux-azure

94 explicit affected versions

Ubuntu:20.04:LTS linux-gcp-5.8

4 explicit affected versions

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

8 explicit affected versions

Ubuntu:Pro:16.04:LTS linux-oracle

87 explicit affected versions

Ubuntu:18.04:LTS linux-azure-5.4

44 explicit affected versions

Ubuntu:18.04:LTS linux-hwe

43 explicit affected versions

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

11 explicit affected versions

Ubuntu:Pro:16.04:LTS linux-hwe

138 explicit affected versions

Ubuntu:20.04:LTS linux-raspi

44 explicit affected versions

Ubuntu:18.04:LTS linux-azure-edge

4 explicit affected versions

Ubuntu:20.04:LTS linux-gkeop

33 explicit affected versions

Ubuntu:22.04:LTS linux-realtime

1 explicit affected versions

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

41 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities UBUNTU-CVE-2023-1838

A use-after-free flaw was found in vhost_net_set_backend in drivers/vhost/net.c in virtio network subcomponent in the Linux kernel due to a double fget. This flaw could allow a local attacker to crash the system, and could even lead to a kernel information leak problem.

View original source

05 / REFERENCES

Further evidence