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UBUNTU-CVE-2023-1859 Moderate

UBUNTU-CVE-2023-1859

A use-after-free flaw was found in xen_9pfs_front_removet in net/9p/trans_xen.c in Xen transport for 9pfs in the Linux Kernel. This flaw could allow a local attacker to crash the system due to a race problem, possibly leading to a kernel information leak.

Exploit probability Not scored
Published April 10, 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

14 explicit affected versions

Ubuntu:22.04:LTS linux-ibm

22 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

31 explicit affected versions

Ubuntu:22.04:LTS linux-gkeop

17 explicit affected versions

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

39 explicit affected versions

Ubuntu:22.04:LTS linux-azure

28 explicit affected versions

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

17 explicit affected versions

Ubuntu:22.04:LTS linux-gke

24 explicit affected versions

Ubuntu:22.04:LTS linux-azure-5.19

7 explicit affected versions

Ubuntu:22.04:LTS linux-raspi

25 explicit affected versions

Ubuntu:20.04:LTS linux-kvm

65 explicit affected versions

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

52 explicit affected versions

Ubuntu:20.04:LTS linux-oem-5.14

35 explicit affected versions

Ubuntu:22.04:LTS linux-nvidia-tegra

5 explicit affected versions

Ubuntu:20.04:LTS linux-gke-5.15

14 explicit affected versions

Ubuntu:Pro:18.04:LTS linux-oracle

82 explicit affected versions

Ubuntu:22.04:LTS linux-azure-fde

12 explicit affected versions

Ubuntu:Pro:18.04:LTS linux-hwe-5.4

67 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

22 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

15 explicit affected versions

Ubuntu:20.04:LTS linux-gcp-5.11

12 explicit affected versions

Ubuntu:20.04:LTS linux-intel-5.13

7 explicit affected versions

Ubuntu:Pro:18.04:LTS linux-azure-5.4

57 explicit affected versions

Ubuntu:20.04:LTS linux-oem-5.13

12 explicit affected versions

Ubuntu:20.04:LTS linux-gcp

70 explicit affected versions

Ubuntu:20.04:LTS linux

78 explicit affected versions

Ubuntu:20.04:LTS linux-oracle-5.11

12 explicit affected versions

Ubuntu:20.04:LTS linux-azure

67 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:Realtime:22.04:LTS linux-intel-iot-realtime

5 explicit affected versions

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

1 explicit affected versions

Ubuntu:20.04:LTS linux-iot

10 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:Pro:18.04:LTS linux-gcp-5.4

59 explicit affected versions

Ubuntu:18.04:LTS linux-gcp-5.3

13 explicit affected versions

Ubuntu:22.04:LTS linux-lowlatency

28 explicit affected versions

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

1 explicit affected versions

Ubuntu:Pro:18.04:LTS linux-raspi-5.4

54 explicit affected versions

Ubuntu:22.04:LTS linux-aws

27 explicit affected versions

Ubuntu:20.04:LTS linux-aws

70 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

80 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

103 explicit affected versions

Ubuntu:20.04:LTS linux-azure-5.8

7 explicit affected versions

Ubuntu:20.04:LTS linux-oracle

69 explicit affected versions

Ubuntu:20.04:LTS linux-oracle-5.15

17 explicit affected versions

Ubuntu:22.04:LTS linux-nvidia

9 explicit affected versions

Ubuntu:Pro:18.04:LTS linux-kvm

96 explicit affected versions

Ubuntu:22.04:LTS linux-oracle

25 explicit affected versions

Ubuntu:Pro:18.04:LTS linux

116 explicit affected versions

Ubuntu:22.04:LTS linux-lowlatency-hwe-5.19

10 explicit affected versions

Ubuntu:22.04:LTS linux-oem-5.17

21 explicit affected versions

Ubuntu:20.04:LTS linux-xilinx-zynqmp

4 explicit affected versions

Ubuntu:Pro:18.04:LTS linux-aws

103 explicit affected versions

Ubuntu:Pro:18.04:LTS linux-ibm-5.4

29 explicit affected versions

Ubuntu:22.04:LTS linux-oem-6.0

9 explicit affected versions

Ubuntu:22.04:LTS linux-kvm

28 explicit affected versions

Ubuntu:20.04:LTS linux-gcp-5.15

18 explicit affected versions

Ubuntu:22.04:LTS linux-azure-fde-5.19

3 explicit affected versions

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

57 explicit affected versions

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

1 explicit affected versions

Ubuntu:20.04:LTS linux-ibm

36 explicit affected versions

Ubuntu:20.04:LTS linux-gke

47 explicit affected versions

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

56 explicit affected versions

Ubuntu:20.04:LTS linux-azure-5.13

12 explicit affected versions

Ubuntu:22.04:LTS linux-intel-iotg

16 explicit affected versions

Ubuntu:22.04:LTS linux-oem-6.1

5 explicit affected versions

Ubuntu:Nvidia-BlueField:22.04:LTS linux-bluefield

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

61 explicit affected versions

Ubuntu:20.04:LTS linux-oracle-5.8

5 explicit affected versions

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

1 explicit affected versions

Ubuntu:Pro:18.04:LTS linux-oracle-5.4

58 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

24 explicit affected versions

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

58 explicit affected versions

Ubuntu:20.04:LTS linux-azure-5.15

20 explicit affected versions

Ubuntu:20.04:LTS linux-riscv-5.8

10 explicit affected versions

Ubuntu:20.04:LTS linux-nvidia-tegra-5.15

4 explicit affected versions

Ubuntu:20.04:LTS linux-oracle-5.13

12 explicit affected versions

Ubuntu:Pro:18.04:LTS linux-aws-5.4

57 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:20.04:LTS linux-gkeop-5.15

14 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

18 explicit affected versions

Ubuntu:18.04:LTS linux-oracle-5.3

9 explicit affected versions

Ubuntu:20.04:LTS linux-aws-5.15

18 explicit affected versions

Ubuntu:22.04:LTS linux-hwe-5.19

8 explicit affected versions

Ubuntu:22.04:LTS linux-gcp

25 explicit affected versions

Ubuntu:20.04:LTS linux-bluefield

31 explicit affected versions

Ubuntu:Pro:16.04:LTS linux-azure

107 explicit affected versions

Ubuntu:Pro:14.04:LTS linux-azure

86 explicit affected versions

Ubuntu:20.04:LTS linux-gcp-5.8

4 explicit affected versions

Ubuntu:Pro:FIPS-preview:22.04:LTS linux-fips

1 explicit affected versions

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

23 explicit affected versions

Ubuntu:Pro:16.04:LTS linux-oracle

79 explicit affected versions

Ubuntu:18.04:LTS linux-hwe

43 explicit affected versions

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

24 explicit affected versions

Ubuntu:Pro:16.04:LTS linux-hwe

130 explicit affected versions

Ubuntu:22.04:LTS linux-allwinner-5.19

8 explicit affected versions

Ubuntu:20.04:LTS linux-raspi

58 explicit affected versions

Ubuntu:18.04:LTS linux-azure-edge

4 explicit affected versions

Ubuntu:20.04:LTS linux-gkeop

47 explicit affected versions

Ubuntu:22.04:LTS linux-realtime

1 explicit affected versions

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

33 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

related USN-6175-1
related USN-6186-1
related USN-6187-1

04 / EVIDENCE

Source records

Open Source Vulnerabilities UBUNTU-CVE-2023-1859

A use-after-free flaw was found in xen_9pfs_front_removet in net/9p/trans_xen.c in Xen transport for 9pfs in the Linux Kernel. This flaw could allow a local attacker to crash the system due to a race problem, possibly leading to a kernel information leak.

View original source

05 / REFERENCES

Further evidence