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UBUNTU-CVE-2023-0458 Moderate

UBUNTU-CVE-2023-0458

A speculative pointer dereference problem exists in the Linux Kernel on the do_prlimit() function. The resource argument value is controlled and is used in pointer arithmetic for the 'rlim' variable and can be used to leak the contents. We recommend upgrading past version 6.1.8 or commit 739790605705ddcf18f21782b9c99ad7d53a8c11

Exploit probability Not scored
Published April 26, 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

12 explicit affected versions

Ubuntu:22.04:LTS linux-ibm

18 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

27 explicit affected versions

Ubuntu:22.04:LTS linux-gkeop

13 explicit affected versions

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

35 explicit affected versions

Ubuntu:22.04:LTS linux-azure

24 explicit affected versions

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

13 explicit affected versions

Ubuntu:22.04:LTS linux-gke

19 explicit affected versions

Ubuntu:22.04:LTS linux-azure-5.19

5 explicit affected versions

Ubuntu:18.04:LTS linux-aws

98 explicit affected versions

Ubuntu:22.04:LTS linux-raspi

21 explicit affected versions

Ubuntu:20.04:LTS linux-kvm

61 explicit affected versions

Ubuntu:18.04:LTS linux-oracle

77 explicit affected versions

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

47 explicit affected versions

Ubuntu:20.04:LTS linux-oem-5.14

35 explicit affected versions

Ubuntu:20.04:LTS linux-gke-5.15

10 explicit affected versions

Ubuntu:18.04:LTS linux

111 explicit affected versions

Ubuntu:22.04:LTS linux-azure-fde

8 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:16.04:LTS linux-kvm

87 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

18 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

11 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:20.04:LTS linux-oem-5.13

12 explicit affected versions

Ubuntu:20.04:LTS linux-gcp

66 explicit affected versions

Ubuntu:18.04:LTS linux-ibm-5.4

25 explicit affected versions

Ubuntu:20.04:LTS linux

74 explicit affected versions

Ubuntu:20.04:LTS linux-oracle-5.11

12 explicit affected versions

Ubuntu:20.04:LTS linux-azure

63 explicit affected versions

Ubuntu:18.04:LTS linux-gcp-4.15

52 explicit affected versions

Ubuntu:18.04:LTS linux-hwe-edge

10 explicit affected versions

Ubuntu:Pro:16.04:LTS linux

153 explicit affected versions

Ubuntu:18.04:LTS linux-gke-5.4

37 explicit affected versions

Ubuntu:Pro:14.04:LTS linux-aws

86 explicit affected versions

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

3 explicit affected versions

Ubuntu:18.04:LTS linux-snapdragon

73 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:18.04:LTS linux-gcp-5.3

13 explicit affected versions

Ubuntu:18.04:LTS linux-kvm

91 explicit affected versions

Ubuntu:22.04:LTS linux-lowlatency

24 explicit affected versions

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

1 explicit affected versions

Ubuntu:22.04:LTS linux-aws

23 explicit affected versions

Ubuntu:20.04:LTS linux-aws

66 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

75 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

98 explicit affected versions

Ubuntu:20.04:LTS linux-azure-5.8

7 explicit affected versions

Ubuntu:20.04:LTS linux-oracle

65 explicit affected versions

Ubuntu:Pro:FIPS:16.04:LTS linux-fips

2 explicit affected versions

Ubuntu:20.04:LTS linux-oracle-5.15

13 explicit affected versions

Ubuntu:22.04:LTS linux-nvidia

6 explicit affected versions

Ubuntu:22.04:LTS linux-oracle

21 explicit affected versions

Ubuntu:18.04:LTS linux-raspi2

94 explicit affected versions

Ubuntu:18.04:LTS linux-hwe-5.4

63 explicit affected versions

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

5 explicit affected versions

Ubuntu:22.04:LTS linux-oem-5.17

26 explicit affected versions

Ubuntu:20.04:LTS linux-xilinx-zynqmp

4 explicit affected versions

Ubuntu:22.04:LTS linux-oem-6.0

15 explicit affected versions

Ubuntu:22.04:LTS linux-kvm

24 explicit affected versions

Ubuntu:Pro:14.04:LTS linux

168 explicit affected versions

Ubuntu:20.04:LTS linux-gcp-5.15

14 explicit affected versions

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

1 explicit affected versions

Ubuntu:20.04:LTS linux-ibm

32 explicit affected versions

Ubuntu:20.04:LTS linux-gke

42 explicit affected versions

Ubuntu:18.04:LTS linux-azure-4.15

51 explicit affected versions

Ubuntu:20.04:LTS linux-azure-5.13

12 explicit affected versions

Ubuntu:22.04:LTS linux-intel-iotg

13 explicit affected versions

Ubuntu:22.04:LTS linux-oem-6.1

3 explicit affected versions

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

2 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

56 explicit affected versions

Ubuntu:22.04:LTS linux-gcp-5.19

3 explicit affected versions

Ubuntu:20.04:LTS linux-oracle-5.8

5 explicit affected versions

Ubuntu:18.04:LTS linux-gcp-5.4

55 explicit affected versions

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

1 explicit affected versions

Ubuntu:18.04:LTS linux-aws-5.4

54 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

20 explicit affected versions

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

53 explicit affected versions

Ubuntu:20.04:LTS linux-azure-5.15

16 explicit affected versions

Ubuntu:20.04:LTS linux-riscv-5.8

10 explicit affected versions

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

3 explicit affected versions

Ubuntu:20.04:LTS linux-oracle-5.13

12 explicit affected versions

Ubuntu:18.04:LTS linux-raspi-5.4

50 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

10 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

14 explicit affected versions

Ubuntu:18.04:LTS linux-oracle-5.3

9 explicit affected versions

Ubuntu:20.04:LTS linux-aws-5.15

14 explicit affected versions

Ubuntu:22.04:LTS linux-hwe-5.19

6 explicit affected versions

Ubuntu:Pro:14.04:LTS linux-lts-xenial

130 explicit affected versions

Ubuntu:22.04:LTS linux-gcp

22 explicit affected versions

Ubuntu:18.04:LTS linux-oracle-5.4

54 explicit affected versions

Ubuntu:Pro:FIPS:16.04:LTS linux-fips

64 explicit affected versions

Ubuntu:20.04:LTS linux-bluefield

29 explicit affected versions

Ubuntu:Pro:16.04:LTS linux-azure

102 explicit affected versions

Ubuntu:Pro:14.04:LTS linux-azure

81 explicit affected versions

Ubuntu:20.04:LTS linux-gcp-5.8

4 explicit affected versions

Ubuntu:18.04:LTS linux-dell300x

39 explicit affected versions

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

19 explicit affected versions

Ubuntu:Pro:16.04:LTS linux-oracle

74 explicit affected versions

Ubuntu:18.04:LTS linux-azure-5.4

53 explicit affected versions

Ubuntu:18.04:LTS linux-hwe

43 explicit affected versions

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

20 explicit affected versions

Ubuntu:Pro:16.04:LTS linux-aws

109 explicit affected versions

Ubuntu:Pro:16.04:LTS linux-hwe

125 explicit affected versions

Ubuntu:22.04:LTS linux-allwinner-5.19

4 explicit affected versions

Ubuntu:20.04:LTS linux-raspi

54 explicit affected versions

Ubuntu:18.04:LTS linux-azure-edge

4 explicit affected versions

Ubuntu:20.04:LTS linux-gkeop

43 explicit affected versions

Ubuntu:22.04:LTS linux-realtime

1 explicit affected versions

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

28 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

related USN-6091-1

04 / EVIDENCE

Source records

Open Source Vulnerabilities UBUNTU-CVE-2023-0458

A speculative pointer dereference problem exists in the Linux Kernel on the do_prlimit() function. The resource argument value is controlled and is used in pointer arithmetic for the 'rlim' variable and can be used to leak the contents. We recommend upgrading past version 6.1.8 or commit 739790605705ddcf18f21782b9c99ad7d53a8c11

View original source

05 / REFERENCES

Further evidence