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UBUNTU-CVE-2020-35519 High

UBUNTU-CVE-2020-35519

An out-of-bounds (OOB) memory access flaw was found in x25_bind in net/x25/af_x25.c in the Linux kernel version v5.12-rc5. A bounds check failure allows a local attacker with a user account on the system to gain access to out-of-bounds memory, leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Exploit probability Not scored
Published March 18, 2021
Required by Not available
Last source change August 18, 2026

02 / AFFECTED SOFTWARE

Affected packages

Ubuntu:16.04:LTS linux-snapdragon

89 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-raspi2

6 explicit affected versions

Ubuntu:Pro:14.04:LTS linux

191 explicit affected versions

Ubuntu:18.04:LTS linux-aws

57 explicit affected versions

Ubuntu:20.04:LTS linux-kvm

20 explicit affected versions

Ubuntu:18.04:LTS linux-oracle

38 explicit affected versions

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

11 explicit affected versions

Ubuntu:18.04:LTS linux

68 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

12 explicit affected versions

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

1 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:22.04:LTS linux-intel-iot-realtime

1 explicit affected versions

Ubuntu:20.04:LTS linux-gcp

22 explicit affected versions

Ubuntu:20.04:LTS linux

30 explicit affected versions

Ubuntu:16.04:LTS linux-kvm

57 explicit affected versions

Ubuntu:20.04:LTS linux-azure

21 explicit affected versions

Ubuntu:18.04:LTS linux-gcp-4.15

13 explicit affected versions

Ubuntu:18.04:LTS linux-hwe-edge

10 explicit affected versions

Ubuntu:16.04:LTS linux-oracle

36 explicit affected versions

Ubuntu:18.04:LTS linux-gke-5.4

7 explicit affected versions

Ubuntu:Pro:14.04:LTS linux-aws

56 explicit affected versions

Ubuntu:18.04:LTS linux-snapdragon

35 explicit affected versions

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

1 explicit affected versions

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

1 explicit affected versions

Ubuntu:20.04:LTS linux-oem-5.6

28 explicit affected versions

Ubuntu:18.04:LTS linux-gcp-5.3

13 explicit affected versions

Ubuntu:18.04:LTS linux-kvm

52 explicit affected versions

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

1 explicit affected versions

Ubuntu:20.04:LTS linux-aws

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

11 explicit affected versions

Ubuntu:16.04:LTS linux-raspi2

91 explicit affected versions

Ubuntu:20.04:LTS linux-oracle

22 explicit affected versions

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

2 explicit affected versions

Ubuntu:18.04:LTS linux-raspi2

55 explicit affected versions

Ubuntu:18.04:LTS linux-hwe-5.4

18 explicit affected versions

Ubuntu:16.04:LTS linux-gcp

60 explicit affected versions

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

1 explicit affected versions

Ubuntu:16.04:LTS linux

122 explicit affected versions

Ubuntu:20.04:LTS linux-gke

2 explicit affected versions

Ubuntu:18.04:LTS linux-azure-4.15

14 explicit affected versions

Ubuntu:16.04:LTS linux-azure

68 explicit affected versions

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

1 explicit affected versions

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

17 explicit affected versions

Ubuntu:18.04:LTS linux-gcp-5.4

12 explicit affected versions

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

1 explicit affected versions

Ubuntu:18.04:LTS linux-aws-5.4

12 explicit affected versions

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

1 explicit affected versions

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

14 explicit affected versions

Ubuntu:20.04:LTS linux-riscv-5.8

3 explicit affected versions

Ubuntu:16.04:LTS linux-aws

78 explicit affected versions

Ubuntu:18.04:LTS linux-raspi-5.4

11 explicit affected versions

Ubuntu:16.04:LTS linux-aws-hwe

37 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:18.04:LTS linux-gkeop-5.4

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

100 explicit affected versions

Ubuntu:18.04:LTS linux-oracle-5.4

12 explicit affected versions

Ubuntu:16.04:LTS linux-hwe

84 explicit affected versions

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

35 explicit affected versions

Ubuntu:Pro:14.04:LTS linux-azure

45 explicit affected versions

Ubuntu:18.04:LTS linux-dell300x

6 explicit affected versions

Ubuntu:18.04:LTS linux-azure-5.4

11 explicit affected versions

Ubuntu:18.04:LTS linux-hwe

43 explicit affected versions

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

1 explicit affected versions

Ubuntu:18.04:LTS linux-gcp-edge

12 explicit affected versions

Ubuntu:20.04:LTS linux-raspi

15 explicit affected versions

Ubuntu:18.04:LTS linux-azure-edge

4 explicit affected versions

Ubuntu:20.04:LTS linux-gkeop

2 explicit affected versions

Ubuntu:22.04:LTS linux-realtime

1 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities UBUNTU-CVE-2020-35519

An out-of-bounds (OOB) memory access flaw was found in x25_bind in net/x25/af_x25.c in the Linux kernel version v5.12-rc5. A bounds check failure allows a local attacker with a user account on the system to gain access to out-of-bounds memory, leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

View original source

05 / REFERENCES

Further evidence