CVE-2021-29265: Race Condition

Published Mar 26, 2021
·
Updated

An issue was discovered in the Linux kernel before 5.11.7. usbipsockfdstore in drivers/usb/usbip/stubdev.c allows attackers to cause a denial of service (GPF) because the stub-up sequence has race conditions during an update of the local and shared status, aka CID-9380afd6df70.

Affected Software

82 affected componentsFixes available
Linux Linux kernel<5.11.7
Debian Debian Linux=9.0
debian/linux
5.10.223-15.10.259-16.1.176-16.1.177-16.12.94-16.12.95-17.1.3-17.1.4-1
ubuntu/linux-aws<4.4.0-1090.94
4.4.0-1090.94
ubuntu/linux-azure<4.15.0-1114.127~14.04.1
4.15.0-1114.127~14.04.1
ubuntu/linux-lts-xenial<4.4.0-208.240~14.04.1
4.4.0-208.240~14.04.1
ubuntu/linux*
ubuntu/linux<4.4.0-208.240
4.4.0-208.240
ubuntu/linux-aws<4.4.0-1126.140
4.4.0-1126.140
ubuntu/linux-kvm<4.4.0-1091.100
4.4.0-1091.100
ubuntu/linux-aws-hwe<4.15.0-1102.109~16.04.1
4.15.0-1102.109~16.04.1
ubuntu/linux-azure<4.15.0-1114.127~16.04.1
4.15.0-1114.127~16.04.1
ubuntu/linux-gcp<4.15.0-1099.112~16.04.1
4.15.0-1099.112~16.04.1
ubuntu/linux-hwe<4.15.0-143.147~16.04.3
4.15.0-143.147~16.04.3
ubuntu/linux-oracle<4.15.0-1071.79~16.04.1
4.15.0-1071.79~16.04.1
ubuntu/linux-hwe-edge*
ubuntu/linux-fips<4.4.0-1060.66
4.4.0-1060.66
ubuntu/linux-fips*
ubuntu/linux<4.15.0-143.147
4.15.0-143.147
ubuntu/linux-aws<4.15.0-1102.109
4.15.0-1102.109
ubuntu/linux-aws-5.4<5.4.0-1048.50~18.04.1
5.4.0-1048.50~18.04.1
ubuntu/linux-azure-4.15<4.15.0-1114.127
4.15.0-1114.127
ubuntu/linux-azure-5.4<5.4.0-1047.49~18.04.1
5.4.0-1047.49~18.04.1
ubuntu/linux-dell300x<4.15.0-1018.22
4.15.0-1018.22
ubuntu/linux-gcp-4.15<4.15.0-1099.112
4.15.0-1099.112
ubuntu/linux-gcp-5.4<5.4.0-1043.46~18.04.1
5.4.0-1043.46~18.04.1
ubuntu/linux-gke-5.4<5.4.0-1043.45~18.04.1
5.4.0-1043.45~18.04.1
ubuntu/linux-gkeop-5.4<5.4.0-1015.16~18.04.1
5.4.0-1015.16~18.04.1
ubuntu/linux-hwe-5.4<5.4.0-73.82~18.04.1
5.4.0-73.82~18.04.1
ubuntu/linux-kvm<4.15.0-1091.93
4.15.0-1091.93
ubuntu/linux-oracle<4.15.0-1071.79
4.15.0-1071.79
ubuntu/linux-oracle-5.4<5.4.0-1044.47~18.04.1
5.4.0-1044.47~18.04.1
ubuntu/linux-raspi-5.4<5.4.0-1035.38~18.04.1
5.4.0-1035.38~18.04.1
ubuntu/linux-raspi2<4.15.0-1085.90
4.15.0-1085.90
ubuntu/linux-snapdragon<4.15.0-1102.111
4.15.0-1102.111
ubuntu/linux-aws-5.0*
ubuntu/linux-aws-5.3*
ubuntu/linux-azure*
ubuntu/linux-azure-5.3*
ubuntu/linux-azure-edge*
ubuntu/linux-gcp*
ubuntu/linux-gcp-5.3*
ubuntu/linux-gcp-edge*
ubuntu/linux-gke-4.15*
ubuntu/linux-hwe*
ubuntu/linux-hwe-edge*
ubuntu/linux-oem*
ubuntu/linux-oracle-5.0*
ubuntu/linux-oracle-5.3*
ubuntu/linux-aws-fips<4.15.0-2044.46
4.15.0-2044.46
ubuntu/linux-azure-fips<4.15.0-2026.29
4.15.0-2026.29
ubuntu/linux-fips<4.15.0-1059.67
4.15.0-1059.67
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux<5.4.0-73.82
5.4.0-73.82
ubuntu/linux-aws<5.4.0-1048.50
5.4.0-1048.50
ubuntu/linux-azure<5.4.0-1047.49
5.4.0-1047.49
ubuntu/linux-gcp<5.4.0-1043.46
5.4.0-1043.46
ubuntu/linux-gke<5.4.0-1043.45
5.4.0-1043.45
ubuntu/linux-gkeop<5.4.0-1015.16
5.4.0-1015.16
ubuntu/linux-hwe-5.8<5.8.0-53.60~20.04.1
5.8.0-53.60~20.04.1
ubuntu/linux-kvm<5.4.0-1039.40
5.4.0-1039.40
ubuntu/linux-oem-5.10<5.10.0-1021.22
5.10.0-1021.22
ubuntu/linux-oracle<5.4.0-1045.49
5.4.0-1045.49
ubuntu/linux-raspi<5.4.0-1035.38
5.4.0-1035.38
ubuntu/linux-riscv-5.8<5.8.0-25.27~20.04.1
5.8.0-25.27~20.04.1
ubuntu/linux-oem-5.6*
ubuntu/linux-raspi2*
ubuntu/linux-riscv*
ubuntu/linux-aws-fips<5.4.0-1069.73+fips2
5.4.0-1069.73+fips2
ubuntu/linux-azure-fips<5.4.0-1073.76+fips1
5.4.0-1073.76+fips1
ubuntu/linux-gcp-fips<5.4.0-1067.71~20.04.1
5.4.0-1067.71~20.04.1
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux-intel-iot-realtime*
ubuntu/linux-realtime*
ubuntu/linux-raspi-realtime*
ubuntu/linux-vmware*

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/linux to a version that resolves this vulnerability.

    Fixed in 5.10.223-1Fixed in 5.10.259-1Fixed in 6.1.176-1Fixed in 6.1.177-1Fixed in 6.12.94-1Fixed in 6.12.95-1Fixed in 7.1.3-1Fixed in 7.1.4-1
  2. Upgrade

    Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.

    Fixed in 4.4.0-1090.94
  3. Upgrade

    Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.

    Fixed in 4.15.0-1114.127~14.04.1
  4. Upgrade

    Upgrade ubuntu/linux-lts-xenial to a version that resolves this vulnerability.

    Fixed in 4.4.0-208.240~14.04.1
  5. Upgrade

    Upgrade ubuntu/linux to a version that resolves this vulnerability.

    Fixed in 4.4.0-208.240
  6. Upgrade

    Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.

    Fixed in 4.4.0-1126.140
  7. Upgrade

    Upgrade ubuntu/linux-kvm to a version that resolves this vulnerability.

    Fixed in 4.4.0-1091.100
  8. Upgrade

    Upgrade ubuntu/linux-aws-hwe to a version that resolves this vulnerability.

    Fixed in 4.15.0-1102.109~16.04.1
  9. Upgrade

    Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.

    Fixed in 4.15.0-1114.127~16.04.1
  10. Upgrade

    Upgrade ubuntu/linux-gcp to a version that resolves this vulnerability.

    Fixed in 4.15.0-1099.112~16.04.1
  11. Upgrade

    Upgrade ubuntu/linux-hwe to a version that resolves this vulnerability.

    Fixed in 4.15.0-143.147~16.04.3
  12. Upgrade

    Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.

    Fixed in 4.15.0-1071.79~16.04.1
  13. Upgrade

    Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.

    Fixed in 4.4.0-1060.66
  14. Upgrade

    Upgrade ubuntu/linux to a version that resolves this vulnerability.

    Fixed in 4.15.0-143.147
  15. Upgrade

    Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.

    Fixed in 4.15.0-1102.109
  16. Upgrade

    Upgrade ubuntu/linux-aws-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1048.50~18.04.1
  17. Upgrade

    Upgrade ubuntu/linux-azure-4.15 to a version that resolves this vulnerability.

    Fixed in 4.15.0-1114.127
  18. Upgrade

    Upgrade ubuntu/linux-azure-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1047.49~18.04.1
  19. Upgrade

    Upgrade ubuntu/linux-dell300x to a version that resolves this vulnerability.

    Fixed in 4.15.0-1018.22
  20. Upgrade

    Upgrade ubuntu/linux-gcp-4.15 to a version that resolves this vulnerability.

    Fixed in 4.15.0-1099.112
  21. Upgrade

    Upgrade ubuntu/linux-gcp-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1043.46~18.04.1
  22. Upgrade

    Upgrade ubuntu/linux-gke-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1043.45~18.04.1
  23. Upgrade

    Upgrade ubuntu/linux-gkeop-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1015.16~18.04.1
  24. Upgrade

    Upgrade ubuntu/linux-hwe-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-73.82~18.04.1
  25. Upgrade

    Upgrade ubuntu/linux-kvm to a version that resolves this vulnerability.

    Fixed in 4.15.0-1091.93
  26. Upgrade

    Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.

    Fixed in 4.15.0-1071.79
  27. Upgrade

    Upgrade ubuntu/linux-oracle-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1044.47~18.04.1
  28. Upgrade

    Upgrade ubuntu/linux-raspi-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1035.38~18.04.1
  29. Upgrade

    Upgrade ubuntu/linux-raspi2 to a version that resolves this vulnerability.

    Fixed in 4.15.0-1085.90
  30. Upgrade

    Upgrade ubuntu/linux-snapdragon to a version that resolves this vulnerability.

    Fixed in 4.15.0-1102.111
  31. Upgrade

    Upgrade ubuntu/linux-aws-fips to a version that resolves this vulnerability.

    Fixed in 4.15.0-2044.46
  32. Upgrade

    Upgrade ubuntu/linux-azure-fips to a version that resolves this vulnerability.

    Fixed in 4.15.0-2026.29
  33. Upgrade

    Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.

    Fixed in 4.15.0-1059.67
  34. Upgrade

    Upgrade ubuntu/linux to a version that resolves this vulnerability.

    Fixed in 5.4.0-73.82
  35. Upgrade

    Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.

    Fixed in 5.4.0-1048.50
  36. Upgrade

    Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.

    Fixed in 5.4.0-1047.49
  37. Upgrade

    Upgrade ubuntu/linux-gcp to a version that resolves this vulnerability.

    Fixed in 5.4.0-1043.46
  38. Upgrade

    Upgrade ubuntu/linux-gke to a version that resolves this vulnerability.

    Fixed in 5.4.0-1043.45
  39. Upgrade

    Upgrade ubuntu/linux-gkeop to a version that resolves this vulnerability.

    Fixed in 5.4.0-1015.16
  40. Upgrade

    Upgrade ubuntu/linux-hwe-5.8 to a version that resolves this vulnerability.

    Fixed in 5.8.0-53.60~20.04.1
  41. Upgrade

    Upgrade ubuntu/linux-kvm to a version that resolves this vulnerability.

    Fixed in 5.4.0-1039.40
  42. Upgrade

    Upgrade ubuntu/linux-oem-5.10 to a version that resolves this vulnerability.

    Fixed in 5.10.0-1021.22
  43. Upgrade

    Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.

    Fixed in 5.4.0-1045.49
  44. Upgrade

    Upgrade ubuntu/linux-raspi to a version that resolves this vulnerability.

    Fixed in 5.4.0-1035.38
  45. Upgrade

    Upgrade ubuntu/linux-riscv-5.8 to a version that resolves this vulnerability.

    Fixed in 5.8.0-25.27~20.04.1
  46. Upgrade

    Upgrade ubuntu/linux-aws-fips to a version that resolves this vulnerability.

    Fixed in 5.4.0-1069.73+fips2
  47. Upgrade

    Upgrade ubuntu/linux-azure-fips to a version that resolves this vulnerability.

    Fixed in 5.4.0-1073.76+fips1
  48. Upgrade

    Upgrade ubuntu/linux-gcp-fips to a version that resolves this vulnerability.

    Fixed in 5.4.0-1067.71~20.04.1
  49. Upgrade

    Upgrade Linux kernel to a version that resolves this vulnerability.

    Fixed in 5.11.7
  50. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch CID-9380afd6df70

Event History

Mar 26, 2021
CVE Published
via MITRE·09:35 PM
Data Sourced
via MITRE·09:35 PM
Description
Data Sourced
via OSV·10:15 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·10:15 PM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2021-29265?

CVE-2021-29265 has a severity rating associated with a denial of service vulnerability in the Linux kernel.

2

How do I fix CVE-2021-29265?

To fix CVE-2021-29265, you should upgrade to Linux kernel version 5.11.7 or later, or apply the recommended patches.

3

Which Linux versions are affected by CVE-2021-29265?

CVE-2021-29265 affects Linux kernel versions prior to 5.11.7.

4

Is CVE-2021-29265 exploitable remotely?

CVE-2021-29265 is a local denial of service vulnerability and typically requires local access to exploit.

5

What impact does CVE-2021-29265 have on system stability?

Exploiting CVE-2021-29265 can lead to a general protection fault, potentially causing system instability.

Company

Resources

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