CVE-2022-49643: ima: Fix a potential integer overflow in ima_appraise_measurement

Published Feb 26, 2025
·
Updated

In the Linux kernel, the following vulnerability has been resolved:

ima: Fix a potential integer overflow in imaappraisemeasurement

When the ima-modsig is enabled, the rc passed to evmverifyxattr() may be negative, which may cause the integer overflow problem.

Affected Software

145 affected componentsFixes available
Linux Linux kernel
IBM Verify Identity Access<=11.0 - 11.0.2
IBM Security Verify Access<=10.0 - 10.0.9.1
IBM Verify Identity Access Container<=11.0 - 11.0.2
IBM Security Verify Access Container<=10.0 - 10.0.9.1
Linux Linux kernel>=5.4<5.4.207
Linux Linux kernel>=5.5<5.10.132
Linux Linux kernel>=5.11<5.15.56
Linux Linux kernel>=5.16<5.18.13
Linux Linux kernel=5.19-rc1
Linux Linux kernel=5.19-rc2
Linux Linux kernel=5.19-rc3
Linux Linux kernel=5.19-rc4
Linux Linux kernel=5.19-rc5
Linux Linux kernel=5.19-rc6
ubuntu/linux-hwe-edge*
ubuntu/linux-aws-5.4<5.4.0-1086.93~18.04.1
5.4.0-1086.93~18.04.1
ubuntu/linux-azure-5.4<5.4.0-1094.100~18.04.1
5.4.0-1094.100~18.04.1
ubuntu/linux-gcp-5.4<5.4.0-1092.101~18.04.1
5.4.0-1092.101~18.04.1
ubuntu/linux-hwe-5.4<5.4.0-128.144~18.04.1
5.4.0-128.144~18.04.1
ubuntu/linux-ibm-5.4<5.4.0-1034.38~18.04.1
5.4.0-1034.38~18.04.1
ubuntu/linux-oracle-5.4<5.4.0-1084.92~18.04.1
5.4.0-1084.92~18.04.1
ubuntu/linux-raspi-5.4<5.4.0-1071.81~18.04.1
5.4.0-1071.81~18.04.1
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-gke-5.4*
ubuntu/linux-gkeop-5.4*
ubuntu/linux-hwe*
ubuntu/linux-hwe-edge*
ubuntu/linux-oem*
ubuntu/linux-oracle-5.0*
ubuntu/linux-oracle-5.3*
ubuntu/linux<5.4.0-128.144
5.4.0-128.144
ubuntu/linux-aws<5.4.0-1086.93
5.4.0-1086.93
ubuntu/linux-aws-5.15<5.15.0-1021.25~20.04.1
5.15.0-1021.25~20.04.1
ubuntu/linux-azure<5.4.0-1094.100
5.4.0-1094.100
ubuntu/linux-azure-5.15<5.15.0-1021.26~20.04.1
5.15.0-1021.26~20.04.1
ubuntu/linux-bluefield<5.4.0-1047.52
5.4.0-1047.52
ubuntu/linux-gcp<5.4.0-1090.98
5.4.0-1090.98
ubuntu/linux-gcp-5.15<5.15.0-1021.28~20.04.1
5.15.0-1021.28~20.04.1
ubuntu/linux-hwe-5.15<5.15.0-50.56~20.04.1
5.15.0-50.56~20.04.1
ubuntu/linux-ibm<5.4.0-1034.38
5.4.0-1034.38
ubuntu/linux-intel-iotg-5.15<5.15.0-1017.22~20.04.1
5.15.0-1017.22~20.04.1
ubuntu/linux-iot<5.4.0-1005.7
5.4.0-1005.7
ubuntu/linux-kvm<5.4.0-1076.81
5.4.0-1076.81
ubuntu/linux-lowlatency-hwe-5.15<5.15.0-50.56~20.04.1
5.15.0-50.56~20.04.1
ubuntu/linux-oracle<5.4.0-1084.92
5.4.0-1084.92
ubuntu/linux-oracle-5.15<5.15.0-1019.24~20.04.1
5.15.0-1019.24~20.04.1
ubuntu/linux-raspi<5.4.0-1071.81
5.4.0-1071.81
ubuntu/linux-riscv-5.15<5.15.0-1022.26~20.04.1
5.15.0-1022.26~20.04.1
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-gkeop*
ubuntu/linux-gkeop-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<5.4.0-1086.93+fips1
5.4.0-1086.93+fips1
ubuntu/linux-azure-fips<5.4.0-1094.100+fips1
5.4.0-1094.100+fips1
ubuntu/linux-fips<5.4.0-1062.70
5.4.0-1062.70
ubuntu/linux-gcp-fips<5.4.0-1092.101+fips1
5.4.0-1092.101+fips1
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux<5.15.0-50.56
5.15.0-50.56
ubuntu/linux-allwinner-5.19*
ubuntu/linux-aws<5.15.0-1021.25
5.15.0-1021.25
ubuntu/linux-aws-5.19*
ubuntu/linux-aws-6.2*
ubuntu/linux-aws-6.5*
ubuntu/linux-azure<5.15.0-1021.26
5.15.0-1021.26
ubuntu/linux-azure-5.19*
ubuntu/linux-azure-6.2*
ubuntu/linux-azure-6.5*
ubuntu/linux-azure-fde<5.15.0-1024.30.1
5.15.0-1024.30.1
ubuntu/linux-azure-fde-5.19*
ubuntu/linux-azure-fde-6.2*
ubuntu/linux-gcp<5.15.0-1019.25
5.15.0-1019.25
ubuntu/linux-gcp-5.19*
ubuntu/linux-gcp-6.2*
ubuntu/linux-gcp-6.5*
ubuntu/linux-gke<5.15.0-1017.20
5.15.0-1017.20
ubuntu/linux-gkeop<5.15.0-1004.6
5.15.0-1004.6
ubuntu/linux-hwe-5.19*
ubuntu/linux-hwe-6.2*
ubuntu/linux-hwe-6.5*
ubuntu/linux-ibm<5.15.0-1015.17
5.15.0-1015.17
ubuntu/linux-intel-iot-realtime*
ubuntu/linux-intel-iotg<5.15.0-1017.22
5.15.0-1017.22
ubuntu/linux-kvm<5.15.0-1019.23
5.15.0-1019.23
ubuntu/linux-lowlatency<5.15.0-50.56
5.15.0-50.56
ubuntu/linux-lowlatency-hwe-5.19*
ubuntu/linux-lowlatency-hwe-6.2*
ubuntu/linux-lowlatency-hwe-6.5*
ubuntu/linux-nvidia<5.15.0-1015.15
5.15.0-1015.15
ubuntu/linux-nvidia-6.2*
ubuntu/linux-nvidia-6.5*
ubuntu/linux-oem-5.17*
ubuntu/linux-oem-6.0*
ubuntu/linux-oem-6.1*
ubuntu/linux-oem-6.5*
ubuntu/linux-oracle<5.15.0-1019.24
5.15.0-1019.24
ubuntu/linux-oracle-6.5*
ubuntu/linux-raspi<5.15.0-1016.18
5.15.0-1016.18
ubuntu/linux-realtime*
ubuntu/linux-riscv*
ubuntu/linux-riscv-5.19*
ubuntu/linux-riscv-6.5*
ubuntu/linux-starfive-5.19*
ubuntu/linux-starfive-6.2*
ubuntu/linux-starfive-6.5*
ubuntu/linux-realtime<5.15.0-1022.22
5.15.0-1022.22
ubuntu/linux-raspi-realtime*
debian/linux<5.18.14-1
5.18.14-1
debian/linux<5.18.14-1
5.18.14-1
debian/linux<5.18.14-1
5.18.14-1
debian/linux
6.1.176-16.1.190-16.12.107-16.12.115-27.2.12-17.2.15-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 5.4.0-1086.93~18.04.1
  2. Upgrade

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

    Fixed in 5.4.0-1094.100~18.04.1
  3. Upgrade

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

    Fixed in 5.4.0-1092.101~18.04.1
  4. Upgrade

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

    Fixed in 5.4.0-128.144~18.04.1
  5. Upgrade

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

    Fixed in 5.4.0-1034.38~18.04.1
  6. Upgrade

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

    Fixed in 5.4.0-1084.92~18.04.1
  7. Upgrade

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

    Fixed in 5.4.0-1071.81~18.04.1
  8. Upgrade

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

    Fixed in 5.4.0-128.144
  9. Upgrade

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

    Fixed in 5.4.0-1086.93
  10. Upgrade

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

    Fixed in 5.15.0-1021.25~20.04.1
  11. Upgrade

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

    Fixed in 5.4.0-1094.100
  12. Upgrade

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

    Fixed in 5.15.0-1021.26~20.04.1
  13. Upgrade

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

    Fixed in 5.4.0-1047.52
  14. Upgrade

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

    Fixed in 5.4.0-1090.98
  15. Upgrade

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

    Fixed in 5.15.0-1021.28~20.04.1
  16. Upgrade

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

    Fixed in 5.15.0-50.56~20.04.1
  17. Upgrade

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

    Fixed in 5.4.0-1034.38
  18. Upgrade

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

    Fixed in 5.15.0-1017.22~20.04.1
  19. Upgrade

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

    Fixed in 5.4.0-1005.7
  20. Upgrade

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

    Fixed in 5.4.0-1076.81
  21. Upgrade

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

    Fixed in 5.15.0-50.56~20.04.1
  22. Upgrade

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

    Fixed in 5.4.0-1084.92
  23. Upgrade

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

    Fixed in 5.15.0-1019.24~20.04.1
  24. Upgrade

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

    Fixed in 5.4.0-1071.81
  25. Upgrade

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

    Fixed in 5.15.0-1022.26~20.04.1
  26. Upgrade

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

    Fixed in 5.4.0-1086.93+fips1
  27. Upgrade

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

    Fixed in 5.4.0-1094.100+fips1
  28. Upgrade

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

    Fixed in 5.4.0-1062.70
  29. Upgrade

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

    Fixed in 5.4.0-1092.101+fips1
  30. Upgrade

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

    Fixed in 5.15.0-50.56
  31. Upgrade

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

    Fixed in 5.15.0-1021.25
  32. Upgrade

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

    Fixed in 5.15.0-1021.26
  33. Upgrade

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

    Fixed in 5.15.0-1024.30.1
  34. Upgrade

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

    Fixed in 5.15.0-1019.25
  35. Upgrade

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

    Fixed in 5.15.0-1017.20
  36. Upgrade

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

    Fixed in 5.15.0-1004.6
  37. Upgrade

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

    Fixed in 5.15.0-1015.17
  38. Upgrade

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

    Fixed in 5.15.0-1017.22
  39. Upgrade

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

    Fixed in 5.15.0-1019.23
  40. Upgrade

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

    Fixed in 5.15.0-50.56
  41. Upgrade

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

    Fixed in 5.15.0-1015.15
  42. Upgrade

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

    Fixed in 5.15.0-1019.24
  43. Upgrade

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

    Fixed in 5.15.0-1016.18
  44. Upgrade

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

    Fixed in 5.15.0-1022.22
  45. Upgrade

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

    Fixed in 5.18.14-1
  46. 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 6.12.115-2Fixed in 7.2.12-1Fixed in 7.2.15-1

Event History

Feb 26, 2025
CVE Published
via MITRE·02:23 AM
Data Sourced
via MITRE·02:23 AM
DescriptionSeverity
Data Sourced
via Red Hat·03:14 AM
DescriptionSeverityAffected Software
Data Sourced
via OSV·07:01 AM
DescriptionSeverityAffected Software
Data Sourced
via NVD·07:01 AM
RemedyDescriptionSeverityWeaknessAffected Software
Jul 8, 2026
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2022-49643?

The severity of CVE-2022-49643 is medium due to potential integer overflow issues.

2

How do I fix CVE-2022-49643?

To fix CVE-2022-49643, you should update your Linux kernel to a version that includes the patch.

3

What systems are affected by CVE-2022-49643?

CVE-2022-49643 affects various versions of the Linux kernel, specifically between versions 5.4 to 5.19-rc6.

4

What are the potential impacts of CVE-2022-49643?

The potential impacts of CVE-2022-49643 include system instability and vulnerability to exploitation via the ima-modsig feature.

5

Is there a workaround for CVE-2022-49643?

Disabling the ima-modsig feature can serve as a temporary workaround for CVE-2022-49643 until the kernel is updated.

Company

Resources

Contact

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