CVE-2021-28660: High severity Linux Linux kernel vulnerability

Published Mar 17, 2021
·
Updated

Last updated 25 April 2025

Other sources

rtwwxsetscan in drivers/staging/rtl8188eu/osdep/ioctllinux.c in the Linux kernel through 5.11.6 allows writing beyond the end of the ->ssid[] array. NOTE: from the perspective of kernel.org releases, CVE IDs are not normally used for drivers/staging/ (unfinished work); however, system integrators may have situations in which a drivers/staging issue is relevant to their own customer base.

— Launchpad

Affected Software

135 affected componentsFixes available
Linux Linux kernel>=3.12<4.4.262
Linux Linux kernel>=4.5<4.9.262
Linux Linux kernel>=4.10<4.14.226
Linux Linux kernel>=4.15<4.19.181
Linux Linux kernel>=4.20<5.4.106
Linux Linux kernel>=5.5<5.10.24
Linux Linux kernel>=5.11<5.11.7
Fedoraproject Fedora=33
Debian Debian Linux=9.0
NetApp Cloud Backup
NetApp Solidfire Baseboard Management Controller Firmware
NetApp Solidfire Baseboard Management Controller
NetApp H700s Firmware
NetApp H700s
NetApp H700e Firmware
NetApp H700e
NetApp H410s Firmware
NetApp H410s
NetApp H300s Firmware
NetApp H300s
NetApp H500e Firmware
NetApp H500e
NetApp H300e Firmware
NetApp H300e
NetApp H500s Firmware
NetApp H500s
All of the following
NetApp Solidfire Baseboard Management Controller Firmware
NetApp Solidfire Baseboard Management Controller
All of the following
NetApp H700s Firmware
NetApp H700s
All of the following
NetApp H700e Firmware
NetApp H700e
All of the following
NetApp H410s Firmware
NetApp H410s
All of the following
NetApp H300s Firmware
NetApp H300s
All of the following
NetApp H500e Firmware
NetApp H500e
All of the following
NetApp H300e Firmware
NetApp H300e
All of the following
NetApp H500s Firmware
NetApp H500s
NetApp Baseboard Management Controller H700s Firmware
NetApp Baseboard Management Controller H700s
NetApp Baseboard Management Controller H700e Firmware
NetApp Baseboard Management Controller H700e
NetApp Baseboard Management Controller H410s Firmware
NetApp Baseboard Management Controller H410s
NetApp Baseboard Management Controller H300s Firmware
NetApp Baseboard Management Controller H300s
NetApp Baseboard Management Controller H500e Firmware
NetApp Baseboard Management Controller H500e
NetApp Baseboard Management Controller H300e Firmware
NetApp Baseboard Management Controller H300e
NetApp Baseboard Management Controller H500s Firmware
NetApp Baseboard Management Controller H500s
debian/linux
5.10.223-15.10.234-16.1.129-16.1.135-16.12.25-1
ubuntu/linux-aws<4.4.0-1090.94
4.4.0-1090.94
ubuntu/linux-azure<4.15.0-1115.128~14.04.1
4.15.0-1115.128~14.04.1
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<4.15.0-1103.110~16.04.1
4.15.0-1103.110~16.04.1
ubuntu/linux-azure<4.15.0-1115.128~16.04.1
4.15.0-1115.128~16.04.1
ubuntu/linux-gcp<4.15.0-1100.113~16.04.1
4.15.0-1100.113~16.04.1
ubuntu/linux-hwe<4.15.0-144.148~16.04.1
4.15.0-144.148~16.04.1
ubuntu/linux-oracle<4.15.0-1072.80~16.04.1
4.15.0-1072.80~16.04.1
ubuntu/linux-hwe-edge*
ubuntu/linux-fips<4.4.0-1060.66
4.4.0-1060.66
ubuntu/linux-fips*
ubuntu/linux<4.15.0-144.148
4.15.0-144.148
ubuntu/linux-aws<4.15.0-1103.110
4.15.0-1103.110
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<4.15.0-1115.128
4.15.0-1115.128
ubuntu/linux-azure-5.4<5.4.0-1047.49~18.04.1
5.4.0-1047.49~18.04.1
ubuntu/linux-dell300x<4.15.0-1022.26
4.15.0-1022.26
ubuntu/linux-gcp-4.15<4.15.0-1100.113
4.15.0-1100.113
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<4.15.0-1092.94
4.15.0-1092.94
ubuntu/linux-oracle<4.15.0-1072.80
4.15.0-1072.80
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<4.15.0-1086.91
4.15.0-1086.91
ubuntu/linux-snapdragon<4.15.0-1103.112
4.15.0-1103.112
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<4.15.0-2045.47
4.15.0-2045.47
ubuntu/linux-azure-fips<4.15.0-2027.30
4.15.0-2027.30
ubuntu/linux-fips<4.15.0-1060.68
4.15.0-1060.68
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<5.8.0-55.62~20.04.1
5.8.0-55.62~20.04.1
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<5.8.0-26.28~20.04.1
5.8.0-26.28~20.04.1
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*

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 5.10.234-1Fixed in 6.1.129-1Fixed in 6.1.135-1Fixed in 6.12.25-1
  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 4.15.0-1115.128~14.04.1
  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 4.15.0-1103.110~16.04.1
  9. Upgrade

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

    Fixed in 4.15.0-1115.128~16.04.1
  10. Upgrade

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

    Fixed in 4.15.0-1100.113~16.04.1
  11. Upgrade

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

    Fixed in 4.15.0-144.148~16.04.1
  12. Upgrade

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

    Fixed in 4.15.0-1072.80~16.04.1
  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 4.15.0-144.148
  15. Upgrade

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

    Fixed in 4.15.0-1103.110
  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 4.15.0-1115.128
  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 4.15.0-1022.26
  20. Upgrade

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

    Fixed in 4.15.0-1100.113
  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 4.15.0-1092.94
  26. Upgrade

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

    Fixed in 4.15.0-1072.80
  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 4.15.0-1086.91
  30. Upgrade

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

    Fixed in 4.15.0-1103.112
  31. Upgrade

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

    Fixed in 4.15.0-2045.47
  32. Upgrade

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

    Fixed in 4.15.0-2027.30
  33. Upgrade

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

    Fixed in 4.15.0-1060.68
  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 5.8.0-55.62~20.04.1
  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 5.8.0-26.28~20.04.1
  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

Event History

Mar 17, 2021
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via OSV·03:15 PM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2021-28660?

CVE-2021-28660 is considered a moderate severity vulnerability due to potential buffer overflow risks.

2

How do I fix CVE-2021-28660?

To fix CVE-2021-28660, update your Linux kernel to version 5.11.7 or later.

3

What systems are affected by CVE-2021-28660?

CVE-2021-28660 affects various versions of the Linux kernel up to 5.11.6, including distributions like Debian and Fedora.

4

What impact does CVE-2021-28660 have on systems?

CVE-2021-28660 could allow an attacker to execute arbitrary code or crash the affected system.

5

Is CVE-2021-28660 being actively exploited?

As of now, there is no public evidence of active exploitation of CVE-2021-28660, but it is advisable to apply patches promptly.

Company

Resources

Contact

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