CVE-2021-33631: Kernel crash in EXT4 filesystem

Published Jan 18, 2024
·
Updated

Integer Overflow or Wraparound vulnerability in openEuler kernel on Linux (filesystem modules) allows Forced Integer Overflow.This issue affects openEuler kernel: from 4.19.90 before 4.19.90-2401.3, from 5.10.0-60.18.0 before 5.10.0-183.0.0.

Other sources

NVD description: Integer Overflow or Wraparound vulnerability in openEuler kernel on Linux (filesystem modules) allows Forced Integer Overflow. This issue affects openEuler kernel: from 4.19.90 before 4.19.90-2401.3, from 5.10.0-60.18.0 before 5.10.0-183.0.0.

Upstream commit: https://github.com/torvalds/linux/commit/5c099c4fdc438014d5893629e70a8ba934433ee8

References: https://www.openwall.com/lists/oss-security/2024/01/30/3 https://nvd.nist.gov/vuln/detail/CVE-2021-33631

— Red Hat

openEuler is vulnerable to a denial of service, caused by an integer overflow. A local authenticated attacker could exploit this vulnerability to cause a denial of service.

— IBM

Affected Software

153 affected componentsFixes available
IBM QRadar SIEM<=7.5 - 7.5.0 UP8 IF01
Openatom Openeuler>=4.19.90<4.19.90-2401.3
Openatom Openeuler Linux>=4.19.90<4.19.90-2401.3
Openatom Openeuler>=5.10.0-60.18.0<5.10.0-183.0.0
debian/linux
5.10.223-15.10.234-16.1.129-16.1.135-16.12.25-16.12.27-1
redhat/kernel<6.2
6.2
ubuntu/linux-aws<4.4.0-1133.139
4.4.0-1133.139
ubuntu/linux-azure<4.15.0-1178.193~14.04.1
4.15.0-1178.193~14.04.1
ubuntu/linux-lts-xenial<4.4.0-256.290~14.04.1
4.4.0-256.290~14.04.1
ubuntu/linux*
ubuntu/linux<4.4.0-256.290
4.4.0-256.290
ubuntu/linux-aws<4.4.0-1171.186
4.4.0-1171.186
ubuntu/linux-aws-hwe<4.15.0-1169.182~16.04.1
4.15.0-1169.182~16.04.1
ubuntu/linux-azure<4.15.0-1178.193~16.04.1
4.15.0-1178.193~16.04.1
ubuntu/linux-gcp<4.15.0-1163.180~16.04.1
4.15.0-1163.180~16.04.1
ubuntu/linux-hwe<4.15.0-226.238~16.04.1
4.15.0-226.238~16.04.1
ubuntu/linux-kvm<4.4.0-1134.144
4.4.0-1134.144
ubuntu/linux-oracle<4.15.0-1132.143~16.04.1
4.15.0-1132.143~16.04.1
ubuntu/linux-hwe-edge*
ubuntu/linux-fips<4.4.0-1102.109
4.4.0-1102.109
ubuntu/linux-fips*
ubuntu/linux<4.15.0-226.238
4.15.0-226.238
ubuntu/linux-aws<4.15.0-1169.182
4.15.0-1169.182
ubuntu/linux-aws-5.0*
ubuntu/linux-aws-5.3*
ubuntu/linux-aws-5.4<5.4.0-1107.115~18.04.1
5.4.0-1107.115~18.04.1
ubuntu/linux-azure*
ubuntu/linux-azure-4.15<4.15.0-1178.193
4.15.0-1178.193
ubuntu/linux-azure-5.3*
ubuntu/linux-azure-5.4<5.4.0-1113.119~18.04.1
5.4.0-1113.119~18.04.1
ubuntu/linux-azure-edge*
ubuntu/linux-gcp*
ubuntu/linux-gcp-4.15<4.15.0-1163.180
4.15.0-1163.180
ubuntu/linux-gcp-5.3*
ubuntu/linux-gcp-5.4<5.4.0-1110.119~18.04.1
5.4.0-1110.119~18.04.1
ubuntu/linux-gke-4.15*
ubuntu/linux-gke-5.4*
ubuntu/linux-gkeop-5.4*
ubuntu/linux-hwe*
ubuntu/linux-hwe-5.4<5.4.0-156.173~18.04.1
5.4.0-156.173~18.04.1
ubuntu/linux-hwe-edge*
ubuntu/linux-ibm-5.4<5.4.0-1054.59~18.04.1
5.4.0-1054.59~18.04.1
ubuntu/linux-kvm<4.15.0-1153.158
4.15.0-1153.158
ubuntu/linux-oem*
ubuntu/linux-oracle<4.15.0-1132.143
4.15.0-1132.143
ubuntu/linux-oracle-5.0*
ubuntu/linux-oracle-5.3*
ubuntu/linux-oracle-5.4<5.4.0-1106.115~18.04.1
5.4.0-1106.115~18.04.1
ubuntu/linux-raspi-5.4<5.4.0-1091.102~18.04.1
5.4.0-1091.102~18.04.1
ubuntu/linux-aws-fips<4.15.0-2108.114
4.15.0-2108.114
ubuntu/linux-azure-fips<4.15.0-2087.93
4.15.0-2087.93
ubuntu/linux-fips<4.15.0-1124.135
4.15.0-1124.135
ubuntu/linux-gcp-fips<4.15.0-2071.76
4.15.0-2071.76
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux<5.4.0-156.173
5.4.0-156.173
ubuntu/linux-aws<5.4.0-1107.115
5.4.0-1107.115
ubuntu/linux-aws-5.15<5.15.0-1033.37~20.04.1
5.15.0-1033.37~20.04.1
ubuntu/linux-azure<5.4.0-1114.120
5.4.0-1114.120
ubuntu/linux-azure-5.15<5.15.0-1035.42~20.04.1
5.15.0-1035.42~20.04.1
ubuntu/linux-bluefield<5.4.0-1068.74
5.4.0-1068.74
ubuntu/linux-gcp<5.4.0-1110.119
5.4.0-1110.119
ubuntu/linux-gcp-5.15<5.15.0-1031.38~20.04.1
5.15.0-1031.38~20.04.1
ubuntu/linux-gkeop<5.4.0-1074.78
5.4.0-1074.78
ubuntu/linux-gkeop-5.15<5.15.0-1017.22~20.04.1
5.15.0-1017.22~20.04.1
ubuntu/linux-hwe-5.15<5.15.0-69.76~20.04.1
5.15.0-69.76~20.04.1
ubuntu/linux-ibm<5.4.0-1054.59
5.4.0-1054.59
ubuntu/linux-intel-iotg-5.15<5.15.0-1027.32~20.04.1
5.15.0-1027.32~20.04.1
ubuntu/linux-iot<5.4.0-1019.20
5.4.0-1019.20
ubuntu/linux-kvm<5.4.0-1096.102
5.4.0-1096.102
ubuntu/linux-lowlatency-hwe-5.15<5.15.0-69.76~20.04.1
5.15.0-69.76~20.04.1
ubuntu/linux-nvidia-tegra-5.15<5.15.0-1014.14~20.04.1
5.15.0-1014.14~20.04.1
ubuntu/linux-oracle<5.4.0-1106.115
5.4.0-1106.115
ubuntu/linux-oracle-5.15<5.15.0-1032.38~20.04.1
5.15.0-1032.38~20.04.1
ubuntu/linux-raspi<5.4.0-1091.102
5.4.0-1091.102
ubuntu/linux-riscv-5.15<5.15.0-1030.34~20.04.1
5.15.0-1030.34~20.04.1
ubuntu/linux-xilinx-zynqmp<5.4.0-1027.31
5.4.0-1027.31
ubuntu/linux-aws-5.11*
ubuntu/linux-aws-5.13*
ubuntu/linux-aws-5.8*
ubuntu/linux-azure-5.11*
ubuntu/linux-azure-5.13*
ubuntu/linux-azure-5.8*
ubuntu/linux-azure-fde*
ubuntu/linux-gcp-5.11*
ubuntu/linux-gcp-5.13*
ubuntu/linux-gcp-5.8*
ubuntu/linux-gke*
ubuntu/linux-gke-5.15*
ubuntu/linux-hwe-5.11*
ubuntu/linux-hwe-5.13*
ubuntu/linux-hwe-5.8*
ubuntu/linux-intel-5.13*
ubuntu/linux-oem-5.10*
ubuntu/linux-oem-5.13*
ubuntu/linux-oem-5.6*
ubuntu/linux-oracle-5.11*
ubuntu/linux-oracle-5.13*
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<5.4.0-1107.115+fips1
5.4.0-1107.115+fips1
ubuntu/linux-azure-fips<5.4.0-1113.119+fips1
5.4.0-1113.119+fips1
ubuntu/linux-fips<5.4.0-1082.91
5.4.0-1082.91
ubuntu/linux-gcp-fips<5.4.0-1110.119+fips1
5.4.0-1110.119+fips1
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux<5.15.0-69.76
5.15.0-69.76
ubuntu/linux-allwinner-5.19*
ubuntu/linux-aws<5.15.0-1033.37
5.15.0-1033.37
ubuntu/linux-aws-5.19*
ubuntu/linux-aws-6.2*
ubuntu/linux-azure<5.15.0-1035.42
5.15.0-1035.42
ubuntu/linux-azure-5.19*
ubuntu/linux-azure-6.2*
ubuntu/linux-azure-fde<5.15.0-1035.42.1
5.15.0-1035.42.1
ubuntu/linux-azure-fde-5.19*
ubuntu/linux-azure-fde-6.2*
ubuntu/linux-gcp<5.15.0-1031.38
5.15.0-1031.38
ubuntu/linux-gcp-5.19*
ubuntu/linux-gcp-6.2*
ubuntu/linux-gke<5.15.0-1030.35
5.15.0-1030.35
ubuntu/linux-gkeop<5.15.0-1017.22
5.15.0-1017.22
ubuntu/linux-hwe-5.19*
ubuntu/linux-hwe-6.2*
ubuntu/linux-ibm<5.15.0-1027.30
5.15.0-1027.30
ubuntu/linux-intel-iotg<5.15.0-1027.32
5.15.0-1027.32
ubuntu/linux-kvm<5.15.0-1030.35
5.15.0-1030.35
ubuntu/linux-lowlatency<5.15.0-69.76
5.15.0-69.76
ubuntu/linux-lowlatency-hwe-5.19*
ubuntu/linux-lowlatency-hwe-6.2*
ubuntu/linux-nvidia<5.15.0-1023.23
5.15.0-1023.23
ubuntu/linux-nvidia-6.2*
ubuntu/linux-oem-5.17*
ubuntu/linux-oem-6.0*
ubuntu/linux-oem-6.1*
ubuntu/linux-oracle<5.15.0-1032.38
5.15.0-1032.38
ubuntu/linux-raspi<5.15.0-1026.28
5.15.0-1026.28
ubuntu/linux-realtime*
ubuntu/linux-riscv*
ubuntu/linux-riscv-5.19*
ubuntu/linux-starfive-5.19*
ubuntu/linux-starfive-6.2*
ubuntu/linux-bluefield<5.15.0-1015.17
5.15.0-1015.17
ubuntu/linux-intel-iot-realtime<5.15.0-1023.28
5.15.0-1023.28
ubuntu/linux-realtime<5.15.0-1034.37
5.15.0-1034.37
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 6.12.25-1Fixed in 6.12.27-1
  2. Upgrade

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

    Fixed in 6.2
  3. Upgrade

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

    Fixed in 4.4.0-1133.139
  4. Upgrade

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

    Fixed in 4.15.0-1178.193~14.04.1
  5. Upgrade

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

    Fixed in 4.4.0-256.290~14.04.1
  6. Upgrade

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

    Fixed in 4.4.0-256.290
  7. Upgrade

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

    Fixed in 4.4.0-1171.186
  8. Upgrade

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

    Fixed in 4.15.0-1169.182~16.04.1
  9. Upgrade

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

    Fixed in 4.15.0-1178.193~16.04.1
  10. Upgrade

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

    Fixed in 4.15.0-1163.180~16.04.1
  11. Upgrade

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

    Fixed in 4.15.0-226.238~16.04.1
  12. Upgrade

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

    Fixed in 4.4.0-1134.144
  13. Upgrade

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

    Fixed in 4.15.0-1132.143~16.04.1
  14. Upgrade

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

    Fixed in 4.4.0-1102.109
  15. Upgrade

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

    Fixed in 4.15.0-226.238
  16. Upgrade

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

    Fixed in 4.15.0-1169.182
  17. Upgrade

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

    Fixed in 5.4.0-1107.115~18.04.1
  18. Upgrade

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

    Fixed in 4.15.0-1178.193
  19. Upgrade

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

    Fixed in 5.4.0-1113.119~18.04.1
  20. Upgrade

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

    Fixed in 4.15.0-1163.180
  21. Upgrade

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

    Fixed in 5.4.0-1110.119~18.04.1
  22. Upgrade

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

    Fixed in 5.4.0-156.173~18.04.1
  23. Upgrade

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

    Fixed in 5.4.0-1054.59~18.04.1
  24. Upgrade

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

    Fixed in 4.15.0-1153.158
  25. Upgrade

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

    Fixed in 4.15.0-1132.143
  26. Upgrade

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

    Fixed in 5.4.0-1106.115~18.04.1
  27. Upgrade

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

    Fixed in 5.4.0-1091.102~18.04.1
  28. Upgrade

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

    Fixed in 4.15.0-2108.114
  29. Upgrade

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

    Fixed in 4.15.0-2087.93
  30. Upgrade

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

    Fixed in 4.15.0-1124.135
  31. Upgrade

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

    Fixed in 4.15.0-2071.76
  32. Upgrade

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

    Fixed in 5.4.0-156.173
  33. Upgrade

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

    Fixed in 5.4.0-1107.115
  34. Upgrade

    Upgrade ubuntu/linux-aws-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1033.37~20.04.1
  35. Upgrade

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

    Fixed in 5.4.0-1114.120
  36. Upgrade

    Upgrade ubuntu/linux-azure-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1035.42~20.04.1
  37. Upgrade

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

    Fixed in 5.4.0-1068.74
  38. Upgrade

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

    Fixed in 5.4.0-1110.119
  39. Upgrade

    Upgrade ubuntu/linux-gcp-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1031.38~20.04.1
  40. Upgrade

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

    Fixed in 5.4.0-1074.78
  41. Upgrade

    Upgrade ubuntu/linux-gkeop-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1017.22~20.04.1
  42. Upgrade

    Upgrade ubuntu/linux-hwe-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-69.76~20.04.1
  43. Upgrade

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

    Fixed in 5.4.0-1054.59
  44. Upgrade

    Upgrade ubuntu/linux-intel-iotg-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1027.32~20.04.1
  45. Upgrade

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

    Fixed in 5.4.0-1019.20
  46. Upgrade

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

    Fixed in 5.4.0-1096.102
  47. Upgrade

    Upgrade ubuntu/linux-lowlatency-hwe-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-69.76~20.04.1
  48. Upgrade

    Upgrade ubuntu/linux-nvidia-tegra-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1014.14~20.04.1
  49. Upgrade

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

    Fixed in 5.4.0-1106.115
  50. Upgrade

    Upgrade ubuntu/linux-oracle-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1032.38~20.04.1
  51. Upgrade

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

    Fixed in 5.4.0-1091.102
  52. Upgrade

    Upgrade ubuntu/linux-riscv-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1030.34~20.04.1
  53. Upgrade

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

    Fixed in 5.4.0-1027.31
  54. Upgrade

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

    Fixed in 5.4.0-1107.115+fips1
  55. Upgrade

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

    Fixed in 5.4.0-1113.119+fips1
  56. Upgrade

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

    Fixed in 5.4.0-1082.91
  57. Upgrade

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

    Fixed in 5.4.0-1110.119+fips1
  58. Upgrade

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

    Fixed in 5.15.0-69.76
  59. Upgrade

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

    Fixed in 5.15.0-1033.37
  60. Upgrade

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

    Fixed in 5.15.0-1035.42
  61. Upgrade

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

    Fixed in 5.15.0-1035.42.1
  62. Upgrade

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

    Fixed in 5.15.0-1031.38
  63. Upgrade

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

    Fixed in 5.15.0-1030.35
  64. Upgrade

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

    Fixed in 5.15.0-1017.22
  65. Upgrade

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

    Fixed in 5.15.0-1027.30
  66. Upgrade

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

    Fixed in 5.15.0-1027.32
  67. Upgrade

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

    Fixed in 5.15.0-1030.35
  68. Upgrade

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

    Fixed in 5.15.0-69.76
  69. Upgrade

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

    Fixed in 5.15.0-1023.23
  70. Upgrade

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

    Fixed in 5.15.0-1032.38
  71. Upgrade

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

    Fixed in 5.15.0-1026.28
  72. Upgrade

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

    Fixed in 5.15.0-1015.17
  73. Upgrade

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

    Fixed in 5.15.0-1023.28
  74. Upgrade

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

    Fixed in 5.15.0-1034.37
  75. Upgrade

    Upgrade openEuler kernel to a version that resolves this vulnerability.

    Fixed in 4.19.90-2401.3
  76. Upgrade

    Upgrade openEuler kernel to a version that resolves this vulnerability.

    Fixed in 5.10.0-183.0.0

Event History

Jan 18, 2024
CVE Published
via MITRE·03:05 PM
Data Sourced
via MITRE·03:05 PM
DescriptionSeverityWeakness
Data Sourced
via OSV·03:15 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·03:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Jan 30, 2024
Data Sourced
via Red Hat·05:22 PM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2021-33631?

CVE-2021-33631 has a medium severity rating due to the potential for an integer overflow leading to various security issues.

2

How do I fix CVE-2021-33631?

To remedy CVE-2021-33631, upgrade to the latest kernel versions or apply patches as recommended by your distribution.

3

Which products are affected by CVE-2021-33631?

CVE-2021-33631 affects openEuler kernel versions prior to 4.19.90-2401.3 and 5.10.0-183.0.0, as well as IBM QRadar SIEM 7.5 - 7.5.0 UP8 IF01.

4

Is my system vulnerable to CVE-2021-33631?

You may be vulnerable to CVE-2021-33631 if you are using affected versions of openEuler Linux or the specified IBM QRadar SIEM version.

5

What are the potential impacts of CVE-2021-33631?

Exploitation of CVE-2021-33631 could lead to system crashes or unauthorized access to sensitive data due to the forced integer overflow.

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