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UBUNTU-CVE-2023-23000 Moderate

UBUNTU-CVE-2023-23000

In the Linux kernel before 5.17, drivers/phy/tegra/xusb.c mishandles the tegra_xusb_find_port_node return value. Callers expect NULL in the error case, but an error pointer is used.

Exploit probability Not scored
Published March 1, 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

26 explicit affected versions

Ubuntu:22.04:LTS linux-ibm

38 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

47 explicit affected versions

Ubuntu:22.04:LTS linux-gkeop

33 explicit affected versions

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

54 explicit affected versions

Ubuntu:22.04:LTS linux-azure

44 explicit affected versions

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

33 explicit affected versions

Ubuntu:22.04:LTS linux-gke

40 explicit affected versions

Ubuntu:22.04:LTS linux-raspi

41 explicit affected versions

Ubuntu:20.04:LTS linux-kvm

81 explicit affected versions

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

58 explicit affected versions

Ubuntu:20.04:LTS linux-oem-5.14

35 explicit affected versions

Ubuntu:Pro:FIPS-updates:22.04:LTS linux-gcp-fips

1 explicit affected versions

Ubuntu:22.04:LTS linux-nvidia-tegra

13 explicit affected versions

Ubuntu:20.04:LTS linux-gke-5.15

18 explicit affected versions

Ubuntu:Pro:FIPS-updates:22.04:LTS linux-azure-fips

2 explicit affected versions

Ubuntu:Pro:18.04:LTS linux-oracle

89 explicit affected versions

Ubuntu:22.04:LTS linux-azure-fde

27 explicit affected versions

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

83 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

38 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

31 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

71 explicit affected versions

Ubuntu:20.04:LTS linux-oem-5.13

12 explicit affected versions

Ubuntu:20.04:LTS linux-gcp

86 explicit affected versions

Ubuntu:20.04:LTS linux

94 explicit affected versions

Ubuntu:20.04:LTS linux-oracle-5.11

12 explicit affected versions

Ubuntu:20.04:LTS linux-azure

82 explicit affected versions

Ubuntu:22.04:LTS linux-nvidia-tegra-igx

8 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

20 explicit affected versions

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

1 explicit affected versions

Ubuntu:20.04:LTS linux-iot

24 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:22.04:LTS linux-xilinx-zynqmp

4 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

75 explicit affected versions

Ubuntu:18.04:LTS linux-gcp-5.3

13 explicit affected versions

Ubuntu:22.04:LTS linux-lowlatency

44 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

70 explicit affected versions

Ubuntu:22.04:LTS linux-aws

42 explicit affected versions

Ubuntu:20.04:LTS linux-aws

86 explicit affected versions

Ubuntu:Pro:FIPS-updates:22.04:LTS linux-aws-fips

4 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

87 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

110 explicit affected versions

Ubuntu:20.04:LTS linux-azure-5.8

7 explicit affected versions

Ubuntu:20.04:LTS linux-oracle

85 explicit affected versions

Ubuntu:20.04:LTS linux-oracle-5.15

33 explicit affected versions

Ubuntu:22.04:LTS linux-nvidia

25 explicit affected versions

Ubuntu:Pro:18.04:LTS linux-kvm

103 explicit affected versions

Ubuntu:22.04:LTS linux-oracle

41 explicit affected versions

Ubuntu:Pro:18.04:LTS linux

123 explicit affected versions

Ubuntu:20.04:LTS linux-xilinx-zynqmp

20 explicit affected versions

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

1 explicit affected versions

Ubuntu:Pro:18.04:LTS linux-aws

110 explicit affected versions

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

44 explicit affected versions

Ubuntu:22.04:LTS linux-kvm

44 explicit affected versions

Ubuntu:20.04:LTS linux-gcp-5.15

34 explicit affected versions

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

64 explicit affected versions

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

1 explicit affected versions

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

2 explicit affected versions

Ubuntu:20.04:LTS linux-ibm

51 explicit affected versions

Ubuntu:20.04:LTS linux-gke

51 explicit affected versions

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

63 explicit affected versions

Ubuntu:20.04:LTS linux-azure-5.13

12 explicit affected versions

Ubuntu:22.04:LTS linux-intel-iotg

31 explicit affected versions

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

17 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

67 explicit affected versions

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

5 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

74 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

38 explicit affected versions

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

65 explicit affected versions

Ubuntu:20.04:LTS linux-azure-5.15

36 explicit affected versions

Ubuntu:20.04:LTS linux-riscv-5.8

10 explicit affected versions

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

11 explicit affected versions

Ubuntu:20.04:LTS linux-oracle-5.13

12 explicit affected versions

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

73 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-azure-fde

26 explicit affected versions

Ubuntu:20.04:LTS linux-gkeop-5.15

30 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

34 explicit affected versions

Ubuntu:18.04:LTS linux-oracle-5.3

9 explicit affected versions

Ubuntu:20.04:LTS linux-aws-5.15

33 explicit affected versions

Ubuntu:22.04:LTS linux-gcp

41 explicit affected versions

Ubuntu:20.04:LTS linux-ibm-5.15

15 explicit affected versions

Ubuntu:20.04:LTS linux-bluefield

45 explicit affected versions

Ubuntu:Pro:16.04:LTS linux-azure

114 explicit affected versions

Ubuntu:Pro:14.04:LTS linux-azure

93 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:FIPS-preview:22.04:LTS linux-gcp-fips

1 explicit affected versions

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

39 explicit affected versions

Ubuntu:Pro:16.04:LTS linux-oracle

86 explicit affected versions

Ubuntu:18.04:LTS linux-hwe

43 explicit affected versions

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

39 explicit affected versions

Ubuntu:Pro:16.04:LTS linux-hwe

137 explicit affected versions

Ubuntu:20.04:LTS linux-raspi

74 explicit affected versions

Ubuntu:18.04:LTS linux-azure-edge

4 explicit affected versions

Ubuntu:20.04:LTS linux-gkeop

63 explicit affected versions

Ubuntu:22.04:LTS linux-realtime

1 explicit affected versions

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

40 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities UBUNTU-CVE-2023-23000

In the Linux kernel before 5.17, drivers/phy/tegra/xusb.c mishandles the tegra_xusb_find_port_node return value. Callers expect NULL in the error case, but an error pointer is used.

View original source

05 / REFERENCES

Further evidence