UBUNTU-CVE-2021-29154

Advisory lineage Upstream: 1 Downstream: 4
Upstream
CVE-2021-29154
Published: 08 Apr 2021, 15:30
Last modified:03 Jun 2026, 13:34

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

08 Apr 2021, 15:30
Published
Vulnerability first disclosed
03 Jun 2026, 13:34
Last Modified
Vulnerability information updated

Description

BPF JIT compilers in the Linux kernel through 5.11.12 have incorrect computation of branch displacements, allowing them to execute arbitrary code within the kernel context. This affects arch/x86/net/bpf_jit_comp.c and arch/x86/net/bpf_jit_comp32.c.

CVSS Metrics

  • v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • ubuntu•linux

    all | < 4.4.0-209.241 | < 4.15.0-142.146 | < 5.4.0-72.80

  • ubuntu•linux-aws

    < 4.4.0-1091.95 | < 4.4.0-1127.141 | < 4.15.0-1099.106 | < 5.4.0-1045.47

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.4

    < 5.4.0-1045.47~18.04.1

  • ubuntu•linux-aws-fips

    < 4.15.0-2042.44 | all | < 5.4.0-1069.73+fips2

  • ubuntu•linux-aws-hwe

    < 4.15.0-1099.106~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1113.126~14.04.1 | < 4.15.0-1113.126~16.04.1 | all | < 5.4.0-1046.48

  • ubuntu•linux-azure-4.15

    < 4.15.0-1113.126

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1046.48~18.04.1

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fips

    < 4.15.0-2025.28 | all | < 5.4.0-1073.76+fips1

  • ubuntu•linux-bluefield

    all

  • ubuntu•linux-dell300x

    < 4.15.0-1017.21

  • ubuntu•linux-fips

    < 4.4.0-1061.67 | all | < 4.15.0-1058.66

  • ubuntu•linux-gcp

    < 4.15.0-1098.111~16.04.1 | all | < 5.4.0-1042.45

  • ubuntu•linux-gcp-4.15

    < 4.15.0-1098.111

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1042.45~18.04.1

  • ubuntu•linux-gcp-edge

    all

  • ubuntu•linux-gcp-fips

    all | < 5.4.0-1067.71~20.04.1

  • ubuntu•linux-gke

    < 5.4.0-1042.44

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-gke-5.3

    < 5.3.0-1042.45

  • ubuntu•linux-gke-5.4

    < 5.4.0-1042.44~18.04.1

  • ubuntu•linux-gkeop

    < 5.4.0-1014.15

  • ubuntu•linux-gkeop-5.4

    < 5.4.0-1014.15~18.04.1

  • ubuntu•linux-hwe

    < 4.15.0-142.146~16.04.1 | < 5.3.0-73.69

  • ubuntu•linux-hwe-5.4

    < 5.4.0-72.80~18.04.1

  • ubuntu•linux-hwe-5.8

    < 5.8.0-50.56~20.04.1

  • ubuntu•linux-hwe-edge

    all | all

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-kvm

    < 4.4.0-1092.101 | < 4.15.0-1090.92 | < 5.4.0-1038.39

  • ubuntu•linux-lts-xenial

    < 4.4.0-209.241~14.04.1

  • ubuntu•linux-nvidia

    all

  • ubuntu•linux-oem

    all

  • ubuntu•linux-oem-5.10

    < 5.10.0-1022.23

  • ubuntu•linux-oem-5.6

    < 5.6.0-1053.57

  • ubuntu•linux-oracle

    < 4.15.0-1070.78~16.04.1 | < 4.15.0-1070.78 | < 5.4.0-1043.46

  • ubuntu•linux-oracle-5.0

    all

  • ubuntu•linux-oracle-5.3

    all

  • ubuntu•linux-oracle-5.4

    < 5.4.0-1043.46~18.04.1

  • ubuntu•linux-raspi

    < 5.4.0-1034.37

  • ubuntu•linux-raspi-5.4

    < 5.4.0-1034.37~18.04.1

  • ubuntu•linux-raspi-realtime

    all

  • ubuntu•linux-raspi2

    < 4.4.0-1151.162 | < 4.15.0-1084.89 | all

  • ubuntu•linux-raspi2-5.3

    < 5.3.0-1039.41

  • ubuntu•linux-realtime

    all

  • ubuntu•linux-riscv

    all

Showing first 50 affected entries in server-rendered view.

References (8)