CVE-2022-0617: Null Pointer Dereference

Published Jan 24, 2022
·
Updated

A flaw null pointer dereference in the Linux kernel UDF file system functionality was found in the way user triggers udffilewriteiter function for the malicious UDF image. A local user could use this flaw to crash the system. Actual from Linux kernel 4.2-rc1 till 5.17-rc2.

Other sources

A flaw was found in the Linux kernel. There is a null pointer dereference bug that would be triggered when writing something to an ICB inode.

Upstream fix:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7fc3b7c2981bbd1047916ade327beccb90994eee https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ea8569194b43f0f01f0a84c689388542c7254a1f

— Red Hat

A NULL pointer dereference was found in the Linux kernel’s UDF file system functionality in the way the user triggers the udffilewriteiter function for a malicious UDF image. This flaw allows a local user to crash the system.

Affected Software

127 affected componentsFixes available
redhat/kernel-rt<0:4.18.0-425.3.1.rt7.213.el8
0:4.18.0-425.3.1.rt7.213.el8
redhat/kernel<0:4.18.0-425.3.1.el8
0:4.18.0-425.3.1.el8
redhat/kernel<0:5.14.0-162.6.1.el9_1
0:5.14.0-162.6.1.el9_1
redhat/kernel-rt<0:5.14.0-162.6.1.rt21.168.el9_1
0:5.14.0-162.6.1.rt21.168.el9_1
Linux Linux kernel>=4.2.1<5.17
Linux Linux kernel=4.2-rc1
Linux Linux kernel=4.2-rc2
Linux Linux kernel=4.2-rc3
Linux Linux kernel=4.2-rc4
Linux Linux kernel=4.2-rc5
Linux Linux kernel=4.2-rc6
Linux Linux kernel=4.2-rc7
Linux Linux kernel=4.2-rc8
Linux Linux kernel=4.2.0
Linux Linux kernel=5.17
Linux Linux kernel=5.17-rc1
Linux Linux kernel=5.17-rc2
Debian Debian Linux=9.0
Debian Debian Linux=10.0
Debian Debian Linux=11.0
redhat/linux kernel<5.17
5.17
debian/linux<5.16.7-1
5.16.7-1
debian/linux<5.16.7-1
5.16.7-1
debian/linux<5.16.7-1
5.16.7-1
ubuntu/linux-aws<4.4.0-1117.123
4.4.0-1117.123
ubuntu/linux-azure<4.15.0-1137.150~14.04.1
4.15.0-1137.150~14.04.1
ubuntu/linux-lts-xenial<4.4.0-239.273~14.04.1
4.4.0-239.273~14.04.1
ubuntu/linux*
ubuntu/linux<4.4.0-239.273
4.4.0-239.273
ubuntu/linux-aws<4.4.0-1155.170
4.4.0-1155.170
ubuntu/linux-aws-hwe<4.15.0-1127.136~16.04.1
4.15.0-1127.136~16.04.1
ubuntu/linux-azure<4.15.0-1137.150~16.04.1
4.15.0-1137.150~16.04.1
ubuntu/linux-gcp<4.15.0-1121.135~16.04.1
4.15.0-1121.135~16.04.1
ubuntu/linux-hwe<4.15.0-176.185~16.04.1
4.15.0-176.185~16.04.1
ubuntu/linux-kvm<4.4.0-1118.128
4.4.0-1118.128
ubuntu/linux-oracle<4.15.0-1092.101~16.04.1
4.15.0-1092.101~16.04.1
ubuntu/linux-hwe-edge*
ubuntu/linux-fips<4.4.0-1088.95
4.4.0-1088.95
ubuntu/linux-fips*
ubuntu/linux<4.15.0-176.185
4.15.0-176.185
ubuntu/linux-aws<4.15.0-1127.136
4.15.0-1127.136
ubuntu/linux-aws-5.4<5.4.0-1072.77~18.04.1
5.4.0-1072.77~18.04.1
ubuntu/linux-azure-4.15<4.15.0-1137.150
4.15.0-1137.150
ubuntu/linux-azure-5.4<5.4.0-1077.80~18.04.1
5.4.0-1077.80~18.04.1
ubuntu/linux-dell300x<4.15.0-1041.46
4.15.0-1041.46
ubuntu/linux-gcp-4.15<4.15.0-1121.135
4.15.0-1121.135
ubuntu/linux-gcp-5.4<5.4.0-1072.77~18.04.1
5.4.0-1072.77~18.04.1
ubuntu/linux-gke-5.4<5.4.0-1068.71~18.04.1
5.4.0-1068.71~18.04.1
ubuntu/linux-gkeop-5.4<5.4.0-1039.40~18.04.1
5.4.0-1039.40~18.04.1
ubuntu/linux-hwe-5.4<5.4.0-109.123~18.04.1
5.4.0-109.123~18.04.1
ubuntu/linux-ibm-5.4<5.4.0-1020.22~18.04.1
5.4.0-1020.22~18.04.1
ubuntu/linux-kvm<4.15.0-1113.116
4.15.0-1113.116
ubuntu/linux-oracle<4.15.0-1092.101
4.15.0-1092.101
ubuntu/linux-oracle-5.4<5.4.0-1070.76~18.04.1
5.4.0-1070.76~18.04.1
ubuntu/linux-raspi-5.4<5.4.0-1059.66~18.04.1
5.4.0-1059.66~18.04.1
ubuntu/linux-raspi2<4.15.0-1108.115
4.15.0-1108.115
ubuntu/linux-snapdragon<4.15.0-1126.135
4.15.0-1126.135
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-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<4.15.0-2066.69
4.15.0-2066.69
ubuntu/linux-azure-fips<4.15.0-2048.52
4.15.0-2048.52
ubuntu/linux-fips<4.15.0-1084.93
4.15.0-1084.93
ubuntu/linux-gcp-fips<4.15.0-2031.34
4.15.0-2031.34
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux<5.4.0-109.123
5.4.0-109.123
ubuntu/linux-aws<5.4.0-1072.77
5.4.0-1072.77
ubuntu/linux-aws-5.13<5.13.0-1022.24~20.04.1
5.13.0-1022.24~20.04.1
ubuntu/linux-azure<5.4.0-1077.80
5.4.0-1077.80
ubuntu/linux-azure-5.13<5.13.0-1022.26~20.04.1
5.13.0-1022.26~20.04.1
ubuntu/linux-bluefield<5.4.0-1035.38
5.4.0-1035.38
ubuntu/linux-gcp<5.4.0-1072.77
5.4.0-1072.77
ubuntu/linux-gcp-5.13<5.13.0-1024.29~20.04.1
5.13.0-1024.29~20.04.1
ubuntu/linux-gke<5.4.0-1068.71
5.4.0-1068.71
ubuntu/linux-gkeop<5.4.0-1039.40
5.4.0-1039.40
ubuntu/linux-hwe-5.13<5.13.0-40.45~20.04.1
5.13.0-40.45~20.04.1
ubuntu/linux-ibm<5.4.0-1020.22
5.4.0-1020.22
ubuntu/linux-intel-5.13<5.13.0-1011.11
5.13.0-1011.11
ubuntu/linux-iot<5.4.0-1004.6
5.4.0-1004.6
ubuntu/linux-kvm<5.4.0-1062.65
5.4.0-1062.65
ubuntu/linux-oem-5.14<5.14.0-1024.26
5.14.0-1024.26
ubuntu/linux-oracle<5.4.0-1070.76
5.4.0-1070.76
ubuntu/linux-oracle-5.13<5.13.0-1027.32~20.04.1
5.13.0-1027.32~20.04.1
ubuntu/linux-raspi<5.4.0-1059.67
5.4.0-1059.67
ubuntu/linux-aws-5.11*
ubuntu/linux-aws-5.8*
ubuntu/linux-azure-5.11*
ubuntu/linux-azure-5.8*
ubuntu/linux-gcp-5.11*
ubuntu/linux-gcp-5.8*
ubuntu/linux-hwe-5.11*
ubuntu/linux-hwe-5.8*
ubuntu/linux-oem-5.10*
ubuntu/linux-oem-5.13*
ubuntu/linux-oem-5.6*
ubuntu/linux-oracle-5.11*
ubuntu/linux-oracle-5.8*
ubuntu/linux-raspi2*
ubuntu/linux-riscv*
ubuntu/linux-riscv-5.11*
ubuntu/linux-riscv-5.8*
ubuntu/linux-aws-fips<5.4.0-1072.77+fips1
5.4.0-1072.77+fips1
ubuntu/linux-azure-fips<5.4.0-1076.79+fips1
5.4.0-1076.79+fips1
ubuntu/linux-fips<5.4.0-1048.54
5.4.0-1048.54
ubuntu/linux-gcp-fips<5.4.0-1071.75+fips1
5.4.0-1071.75+fips1
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*
debian/linux
6.1.176-16.1.190-16.12.107-16.12.116-17.2.15-17.3.4-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/kernel-rt to a version that resolves this vulnerability.

    Fixed in 0:4.18.0-425.3.1.rt7.213.el8
  2. Upgrade

    Upgrade redhat/kernel to a version that resolves this vulnerability.

    Fixed in 0:4.18.0-425.3.1.el8
  3. Upgrade

    Upgrade redhat/kernel to a version that resolves this vulnerability.

    Fixed in 0:5.14.0-162.6.1.el9_1
  4. Upgrade

    Upgrade redhat/kernel-rt to a version that resolves this vulnerability.

    Fixed in 0:5.14.0-162.6.1.rt21.168.el9_1
  5. Upgrade

    Upgrade redhat/Linux kernel to a version that resolves this vulnerability.

    Fixed in 5.17
  6. Upgrade

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

    Fixed in 5.16.7-1
  7. Upgrade

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

    Fixed in 4.4.0-1117.123
  8. Upgrade

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

    Fixed in 4.15.0-1137.150~14.04.1
  9. Upgrade

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

    Fixed in 4.4.0-239.273~14.04.1
  10. Upgrade

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

    Fixed in 4.4.0-239.273
  11. Upgrade

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

    Fixed in 4.4.0-1155.170
  12. Upgrade

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

    Fixed in 4.15.0-1127.136~16.04.1
  13. Upgrade

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

    Fixed in 4.15.0-1137.150~16.04.1
  14. Upgrade

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

    Fixed in 4.15.0-1121.135~16.04.1
  15. Upgrade

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

    Fixed in 4.15.0-176.185~16.04.1
  16. Upgrade

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

    Fixed in 4.4.0-1118.128
  17. Upgrade

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

    Fixed in 4.15.0-1092.101~16.04.1
  18. Upgrade

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

    Fixed in 4.4.0-1088.95
  19. Upgrade

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

    Fixed in 4.15.0-176.185
  20. Upgrade

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

    Fixed in 4.15.0-1127.136
  21. Upgrade

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

    Fixed in 5.4.0-1072.77~18.04.1
  22. Upgrade

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

    Fixed in 4.15.0-1137.150
  23. Upgrade

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

    Fixed in 5.4.0-1077.80~18.04.1
  24. Upgrade

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

    Fixed in 4.15.0-1041.46
  25. Upgrade

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

    Fixed in 4.15.0-1121.135
  26. Upgrade

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

    Fixed in 5.4.0-1072.77~18.04.1
  27. Upgrade

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

    Fixed in 5.4.0-1068.71~18.04.1
  28. Upgrade

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

    Fixed in 5.4.0-1039.40~18.04.1
  29. Upgrade

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

    Fixed in 5.4.0-109.123~18.04.1
  30. Upgrade

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

    Fixed in 5.4.0-1020.22~18.04.1
  31. Upgrade

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

    Fixed in 4.15.0-1113.116
  32. Upgrade

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

    Fixed in 4.15.0-1092.101
  33. Upgrade

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

    Fixed in 5.4.0-1070.76~18.04.1
  34. Upgrade

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

    Fixed in 5.4.0-1059.66~18.04.1
  35. Upgrade

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

    Fixed in 4.15.0-1108.115
  36. Upgrade

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

    Fixed in 4.15.0-1126.135
  37. Upgrade

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

    Fixed in 4.15.0-2066.69
  38. Upgrade

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

    Fixed in 4.15.0-2048.52
  39. Upgrade

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

    Fixed in 4.15.0-1084.93
  40. Upgrade

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

    Fixed in 4.15.0-2031.34
  41. Upgrade

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

    Fixed in 5.4.0-109.123
  42. Upgrade

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

    Fixed in 5.4.0-1072.77
  43. Upgrade

    Upgrade ubuntu/linux-aws-5.13 to a version that resolves this vulnerability.

    Fixed in 5.13.0-1022.24~20.04.1
  44. Upgrade

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

    Fixed in 5.4.0-1077.80
  45. Upgrade

    Upgrade ubuntu/linux-azure-5.13 to a version that resolves this vulnerability.

    Fixed in 5.13.0-1022.26~20.04.1
  46. Upgrade

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

    Fixed in 5.4.0-1035.38
  47. Upgrade

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

    Fixed in 5.4.0-1072.77
  48. Upgrade

    Upgrade ubuntu/linux-gcp-5.13 to a version that resolves this vulnerability.

    Fixed in 5.13.0-1024.29~20.04.1
  49. Upgrade

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

    Fixed in 5.4.0-1068.71
  50. Upgrade

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

    Fixed in 5.4.0-1039.40
  51. Upgrade

    Upgrade ubuntu/linux-hwe-5.13 to a version that resolves this vulnerability.

    Fixed in 5.13.0-40.45~20.04.1
  52. Upgrade

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

    Fixed in 5.4.0-1020.22
  53. Upgrade

    Upgrade ubuntu/linux-intel-5.13 to a version that resolves this vulnerability.

    Fixed in 5.13.0-1011.11
  54. Upgrade

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

    Fixed in 5.4.0-1004.6
  55. Upgrade

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

    Fixed in 5.4.0-1062.65
  56. Upgrade

    Upgrade ubuntu/linux-oem-5.14 to a version that resolves this vulnerability.

    Fixed in 5.14.0-1024.26
  57. Upgrade

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

    Fixed in 5.4.0-1070.76
  58. Upgrade

    Upgrade ubuntu/linux-oracle-5.13 to a version that resolves this vulnerability.

    Fixed in 5.13.0-1027.32~20.04.1
  59. Upgrade

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

    Fixed in 5.4.0-1059.67
  60. Upgrade

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

    Fixed in 5.4.0-1072.77+fips1
  61. Upgrade

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

    Fixed in 5.4.0-1076.79+fips1
  62. Upgrade

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

    Fixed in 5.4.0-1048.54
  63. Upgrade

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

    Fixed in 5.4.0-1071.75+fips1
  64. Upgrade

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

    Fixed in 6.1.176-1Fixed in 6.1.190-1Fixed in 6.12.107-1Fixed in 6.12.116-1Fixed in 7.2.15-1Fixed in 7.3.4-1
  65. Configuration

    Prevent the UDF module from loading by adding `install udf /bin/true` to `/etc/modprobe.d/disable-udf.conf`.

    Linux kernel UDF module (udf) install = /bin/true

Event History

Jan 24, 2022
CVE Published
12:00 AM
Feb 11, 2022
Data Sourced
via Red Hat·04:38 PM
DescriptionSeverityAffected Software
Feb 16, 2022
CVE Published
via MITRE·04:38 PM
Data Sourced
via MITRE·04:38 PM
DescriptionWeakness
Data Sourced
via OSV·05:15 PM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2022-0617?

CVE-2022-0617 has been classified as a high severity vulnerability.

2

Who is affected by CVE-2022-0617?

CVE-2022-0617 affects local users of the Linux kernel versions from 4.2-rc1 to 5.17-rc2.

3

How do I fix CVE-2022-0617?

To remediate CVE-2022-0617, update to the latest kernel version specified by your distribution that is above the threshold versions.

4

What type of vulnerability is CVE-2022-0617?

CVE-2022-0617 is a local denial-of-service vulnerability due to a null pointer dereference in the UDF file system.

5

Can CVE-2022-0617 crash my system?

Yes, an exploit of CVE-2022-0617 can lead to a crash of the system.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203