CVE-2023-1998: Spectre v2 SMT mitigations problem in Linux kernel

Published Apr 17, 2023
·
Updated

Linux Kernel could allow a local authenticated attacker to obtain sensitive information, caused by a flaw in the spectrev2userselectmitigation function in arch/x86/kernel/cpu/bugs.c in the Spectre Mitigation component . By sending a specially crafted request, an attacker could exploit this vulnerability to obtain sensitive information, and use this information to launch further attacks against the affected system.

Other sources

The Linux kernel allows userspace processes to enable mitigations by calling prctl with PRSETSPECULATIONCTRL which disables the speculation feature as well as by using seccomp. We had noticed that on VMs of at least one major cloud provider, the kernel still left the victim process exposed to attacks in some cases even after enabling the spectre-BTI mitigation with prctl. The same behavior can be observed on a bare-metal machine when forcing the mitigation to IBRS on boot command line. This happened because when plain IBRS was enabled (not enhanced IBRS), the kernel had some logic that determined that STIBP was not needed. The IBRS bit implicitly protects against cross-thread branch target injection. However, with legacy IBRS, the IBRS bit was cleared on returning to userspace, due to performance reasons, which disabled the implicit STIBP and left userspace threads vulnerable to cross-thread branch target injection against which STIBP protects.

— Ubuntu

The Linux kernel allows userspace processes to enable mitigations by calling prctl with PRSETSPECULATIONCTRL which disables the speculation feature as well as by using seccomp [..] The kernel failed to protect applications that attempted to protect against Spectre v2 leaving them open to attack from other processes running on the same physical core in another hyperthread.

Reference: https://github.com/google/security-research/security/advisories/GHSA-mj4w-6495-6crx

Upstream fix: https://github.com/torvalds/linux/commit/6921ed9049bc7457f66c1596c5b78aec0dae4a9d

— Red Hat

Affected Software

131 affected componentsFixes available
IBM Security Verify Governance, Identity Manager software component<=ISVG 10.0.2
IBM Security Verify Governance, Identity Manager virtual appliance component<=ISVG 10.0.2
Linux Linux kernel<6.3
Debian Debian Linux=10.0
redhat/kernel<6.3
6.3
debian/linux
6.1.176-16.1.190-16.12.107-16.12.113-17.2.12-17.2.13-1
ubuntu/linux-aws<4.4.0-1130.136
4.4.0-1130.136
ubuntu/linux-azure<4.15.0-1176.191~14.04.1
4.15.0-1176.191~14.04.1
ubuntu/linux-lts-xenial<4.4.0-253.287~14.04.1
4.4.0-253.287~14.04.1
ubuntu/linux<4.4.0-253.287
4.4.0-253.287
ubuntu/linux-aws<4.4.0-1168.183
4.4.0-1168.183
ubuntu/linux-aws-hwe<4.15.0-1167.180~16.04.1
4.15.0-1167.180~16.04.1
ubuntu/linux-azure<4.15.0-1176.191~16.04.1
4.15.0-1176.191~16.04.1
ubuntu/linux-gcp<4.15.0-1161.178~16.04.1
4.15.0-1161.178~16.04.1
ubuntu/linux-hwe<4.15.0-224.236~16.04.1
4.15.0-224.236~16.04.1
ubuntu/linux-kvm<4.4.0-1131.141
4.4.0-1131.141
ubuntu/linux-oracle<4.15.0-1130.141~16.04.1
4.15.0-1130.141~16.04.1
ubuntu/linux-hwe-edge*
ubuntu/linux-fips<4.4.0-1100.107
4.4.0-1100.107
ubuntu/linux<4.15.0-224.236
4.15.0-224.236
ubuntu/linux-aws<4.15.0-1167.180
4.15.0-1167.180
ubuntu/linux-aws-5.0*
ubuntu/linux-aws-5.3*
ubuntu/linux-aws-5.4<5.4.0-1104.112~18.04.1
5.4.0-1104.112~18.04.1
ubuntu/linux-azure*
ubuntu/linux-azure-4.15<4.15.0-1176.191
4.15.0-1176.191
ubuntu/linux-azure-5.3*
ubuntu/linux-azure-5.4<5.4.0-1110.116~18.04.1
5.4.0-1110.116~18.04.1
ubuntu/linux-azure-edge*
ubuntu/linux-gcp*
ubuntu/linux-gcp-4.15<4.15.0-1161.178
4.15.0-1161.178
ubuntu/linux-gcp-5.3*
ubuntu/linux-gcp-5.4<5.4.0-1107.116~18.04.1
5.4.0-1107.116~18.04.1
ubuntu/linux-gke-4.15*
ubuntu/linux-gke-5.4*
ubuntu/linux-gkeop-5.4*
ubuntu/linux-hwe*
ubuntu/linux-hwe-5.4<5.4.0-152.169~18.04.1
5.4.0-152.169~18.04.1
ubuntu/linux-ibm-5.4<5.4.0-1051.56~18.04.1
5.4.0-1051.56~18.04.1
ubuntu/linux-kvm<4.15.0-1151.156
4.15.0-1151.156
ubuntu/linux-oem*
ubuntu/linux-oracle<4.15.0-1130.141
4.15.0-1130.141
ubuntu/linux-oracle-5.0*
ubuntu/linux-oracle-5.3*
ubuntu/linux-oracle-5.4<5.4.0-1103.112~18.04.1
5.4.0-1103.112~18.04.1
ubuntu/linux-raspi-5.4<5.4.0-1088.99~18.04.1
5.4.0-1088.99~18.04.1
ubuntu/linux-aws-fips<4.15.0-2106.112
4.15.0-2106.112
ubuntu/linux-azure-fips<4.15.0-2085.91
4.15.0-2085.91
ubuntu/linux-fips<4.15.0-1122.133
4.15.0-1122.133
ubuntu/linux-gcp-fips<4.15.0-2069.74
4.15.0-2069.74
ubuntu/linux<5.4.0-152.169
5.4.0-152.169
ubuntu/linux-aws<5.4.0-1104.112
5.4.0-1104.112
ubuntu/linux-aws-5.15<5.15.0-1038.43~20.04.1
5.15.0-1038.43~20.04.1
ubuntu/linux-azure<5.4.0-1110.116
5.4.0-1110.116
ubuntu/linux-azure-5.15<5.15.0-1040.47~20.04.1
5.15.0-1040.47~20.04.1
ubuntu/linux-bluefield<5.4.0-1065.71
5.4.0-1065.71
ubuntu/linux-gcp<5.4.0-1107.116
5.4.0-1107.116
ubuntu/linux-gcp-5.15<5.15.0-1036.44~20.04.1
5.15.0-1036.44~20.04.1
ubuntu/linux-gke<5.4.0-1102.109
5.4.0-1102.109
ubuntu/linux-gke-5.15<5.15.0-1036.41~20.04.1
5.15.0-1036.41~20.04.1
ubuntu/linux-gkeop<5.4.0-1071.75
5.4.0-1071.75
ubuntu/linux-gkeop-5.15<5.15.0-1022.27~20.04.1
5.15.0-1022.27~20.04.1
ubuntu/linux-hwe-5.15<5.15.0-75.82~20.04.1
5.15.0-75.82~20.04.1
ubuntu/linux-ibm<5.4.0-1051.56
5.4.0-1051.56
ubuntu/linux-intel-iotg-5.15<5.15.0-1033.38~20.04.1
5.15.0-1033.38~20.04.1
ubuntu/linux-iot<5.4.0-1017.18
5.4.0-1017.18
ubuntu/linux-kvm<5.4.0-1093.99
5.4.0-1093.99
ubuntu/linux-lowlatency-hwe-5.15<5.15.0-75.82~20.04.1
5.15.0-75.82~20.04.1
ubuntu/linux-nvidia-tegra-5.15<5.15.0-1015.15~20.04.1
5.15.0-1015.15~20.04.1
ubuntu/linux-oracle<5.4.0-1103.112
5.4.0-1103.112
ubuntu/linux-oracle-5.15<5.15.0-1037.43~20.04.1
5.15.0-1037.43~20.04.1
ubuntu/linux-raspi<5.4.0-1088.99
5.4.0-1088.99
ubuntu/linux-riscv-5.15<5.15.0-1035.39~20.04.1
5.15.0-1035.39~20.04.1
ubuntu/linux-xilinx-zynqmp<5.4.0-1024.28
5.4.0-1024.28
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-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<5.4.0-1104.112+fips1
5.4.0-1104.112+fips1
ubuntu/linux-azure-fips<5.4.0-1110.116+fips1
5.4.0-1110.116+fips1
ubuntu/linux-fips<5.4.0-1079.88
5.4.0-1079.88
ubuntu/linux-gcp-fips<5.4.0-1107.116+fips1
5.4.0-1107.116+fips1
ubuntu/linux<5.15.0-75.82
5.15.0-75.82
ubuntu/linux-aws<5.15.0-1038.43
5.15.0-1038.43
ubuntu/linux-azure<5.15.0-1040.47
5.15.0-1040.47
ubuntu/linux-azure-5.19*
ubuntu/linux-azure-fde<5.15.0-1041.48.1
5.15.0-1041.48.1
ubuntu/linux-azure-fde-5.19*
ubuntu/linux-gcp<5.15.0-1036.44
5.15.0-1036.44
ubuntu/linux-gke<5.15.0-1036.41
5.15.0-1036.41
ubuntu/linux-gkeop<5.15.0-1022.27
5.15.0-1022.27
ubuntu/linux-hwe-5.19<5.19.0-45.46~22.04.1
5.19.0-45.46~22.04.1
ubuntu/linux-ibm<5.15.0-1032.35
5.15.0-1032.35
ubuntu/linux-intel-iotg<5.15.0-1033.38
5.15.0-1033.38
ubuntu/linux-kvm<5.15.0-1035.40
5.15.0-1035.40
ubuntu/linux-lowlatency<5.15.0-75.82
5.15.0-75.82
ubuntu/linux-lowlatency-hwe-5.19*
ubuntu/linux-nvidia<5.15.0-1027.27
5.15.0-1027.27
ubuntu/linux-nvidia-tegra<5.15.0-1015.15
5.15.0-1015.15
ubuntu/linux-oem-6.0*
ubuntu/linux-oem-6.1<6.1.0-1009.9
6.1.0-1009.9
ubuntu/linux-oracle<5.15.0-1037.43
5.15.0-1037.43
ubuntu/linux-raspi<5.15.0-1032.35
5.15.0-1032.35
ubuntu/linux-realtime*
ubuntu/linux-riscv*
ubuntu/linux-bluefield<5.15.0-1019.21
5.15.0-1019.21
ubuntu/linux-intel-iot-realtime<5.15.0-1033.35
5.15.0-1033.35
ubuntu/linux-realtime<5.15.0-1040.45
5.15.0-1040.45
ubuntu/linux-fips*
ubuntu/linux-raspi-realtime*
ubuntu/linux-vmware*

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 6.3
  2. 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 6.12.113-1Fixed in 7.2.12-1Fixed in 7.2.13-1
  3. Upgrade

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

    Fixed in 4.4.0-1130.136
  4. Upgrade

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

    Fixed in 4.15.0-1176.191~14.04.1
  5. Upgrade

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

    Fixed in 4.4.0-253.287~14.04.1
  6. Upgrade

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

    Fixed in 4.4.0-253.287
  7. Upgrade

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

    Fixed in 4.4.0-1168.183
  8. Upgrade

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

    Fixed in 4.15.0-1167.180~16.04.1
  9. Upgrade

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

    Fixed in 4.15.0-1176.191~16.04.1
  10. Upgrade

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

    Fixed in 4.15.0-1161.178~16.04.1
  11. Upgrade

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

    Fixed in 4.15.0-224.236~16.04.1
  12. Upgrade

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

    Fixed in 4.4.0-1131.141
  13. Upgrade

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

    Fixed in 4.15.0-1130.141~16.04.1
  14. Upgrade

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

    Fixed in 4.4.0-1100.107
  15. Upgrade

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

    Fixed in 4.15.0-224.236
  16. Upgrade

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

    Fixed in 4.15.0-1167.180
  17. Upgrade

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

    Fixed in 5.4.0-1104.112~18.04.1
  18. Upgrade

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

    Fixed in 4.15.0-1176.191
  19. Upgrade

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

    Fixed in 5.4.0-1110.116~18.04.1
  20. Upgrade

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

    Fixed in 4.15.0-1161.178
  21. Upgrade

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

    Fixed in 5.4.0-1107.116~18.04.1
  22. Upgrade

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

    Fixed in 5.4.0-152.169~18.04.1
  23. Upgrade

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

    Fixed in 5.4.0-1051.56~18.04.1
  24. Upgrade

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

    Fixed in 4.15.0-1151.156
  25. Upgrade

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

    Fixed in 4.15.0-1130.141
  26. Upgrade

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

    Fixed in 5.4.0-1103.112~18.04.1
  27. Upgrade

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

    Fixed in 5.4.0-1088.99~18.04.1
  28. Upgrade

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

    Fixed in 4.15.0-2106.112
  29. Upgrade

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

    Fixed in 4.15.0-2085.91
  30. Upgrade

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

    Fixed in 4.15.0-1122.133
  31. Upgrade

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

    Fixed in 4.15.0-2069.74
  32. Upgrade

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

    Fixed in 5.4.0-152.169
  33. Upgrade

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

    Fixed in 5.4.0-1104.112
  34. Upgrade

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

    Fixed in 5.15.0-1038.43~20.04.1
  35. Upgrade

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

    Fixed in 5.4.0-1110.116
  36. Upgrade

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

    Fixed in 5.15.0-1040.47~20.04.1
  37. Upgrade

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

    Fixed in 5.4.0-1065.71
  38. Upgrade

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

    Fixed in 5.4.0-1107.116
  39. Upgrade

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

    Fixed in 5.15.0-1036.44~20.04.1
  40. Upgrade

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

    Fixed in 5.4.0-1102.109
  41. Upgrade

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

    Fixed in 5.15.0-1036.41~20.04.1
  42. Upgrade

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

    Fixed in 5.4.0-1071.75
  43. Upgrade

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

    Fixed in 5.15.0-1022.27~20.04.1
  44. Upgrade

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

    Fixed in 5.15.0-75.82~20.04.1
  45. Upgrade

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

    Fixed in 5.4.0-1051.56
  46. Upgrade

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

    Fixed in 5.15.0-1033.38~20.04.1
  47. Upgrade

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

    Fixed in 5.4.0-1017.18
  48. Upgrade

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

    Fixed in 5.4.0-1093.99
  49. Upgrade

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

    Fixed in 5.15.0-75.82~20.04.1
  50. Upgrade

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

    Fixed in 5.15.0-1015.15~20.04.1
  51. Upgrade

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

    Fixed in 5.4.0-1103.112
  52. Upgrade

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

    Fixed in 5.15.0-1037.43~20.04.1
  53. Upgrade

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

    Fixed in 5.4.0-1088.99
  54. Upgrade

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

    Fixed in 5.15.0-1035.39~20.04.1
  55. Upgrade

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

    Fixed in 5.4.0-1024.28
  56. Upgrade

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

    Fixed in 5.4.0-1104.112+fips1
  57. Upgrade

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

    Fixed in 5.4.0-1110.116+fips1
  58. Upgrade

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

    Fixed in 5.4.0-1079.88
  59. Upgrade

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

    Fixed in 5.4.0-1107.116+fips1
  60. Upgrade

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

    Fixed in 5.15.0-75.82
  61. Upgrade

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

    Fixed in 5.15.0-1038.43
  62. Upgrade

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

    Fixed in 5.15.0-1040.47
  63. Upgrade

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

    Fixed in 5.15.0-1041.48.1
  64. Upgrade

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

    Fixed in 5.15.0-1036.44
  65. Upgrade

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

    Fixed in 5.15.0-1036.41
  66. Upgrade

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

    Fixed in 5.15.0-1022.27
  67. Upgrade

    Upgrade ubuntu/linux-hwe-5.19 to a version that resolves this vulnerability.

    Fixed in 5.19.0-45.46~22.04.1
  68. Upgrade

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

    Fixed in 5.15.0-1032.35
  69. Upgrade

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

    Fixed in 5.15.0-1033.38
  70. Upgrade

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

    Fixed in 5.15.0-1035.40
  71. Upgrade

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

    Fixed in 5.15.0-75.82
  72. Upgrade

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

    Fixed in 5.15.0-1027.27
  73. Upgrade

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

    Fixed in 5.15.0-1015.15
  74. Upgrade

    Upgrade ubuntu/linux-oem-6.1 to a version that resolves this vulnerability.

    Fixed in 6.1.0-1009.9
  75. Upgrade

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

    Fixed in 5.15.0-1037.43
  76. Upgrade

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

    Fixed in 5.15.0-1032.35
  77. Upgrade

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

    Fixed in 5.15.0-1019.21
  78. Upgrade

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

    Fixed in 5.15.0-1033.35
  79. Upgrade

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

    Fixed in 5.15.0-1040.45

Event History

Apr 13, 2023
CVE Published
via Ubuntu·12:00 AM
Data Sourced
via Ubuntu·12:00 AM
RemedyDescriptionSeverityAffected Software
Data Sourced
via OSV·12:00 AM
DescriptionSeverityAffected Software
Event
via OSV·12:00 AM
Apr 17, 2023
Data Sourced
via Red Hat·09:19 AM
DescriptionSeverityAffected Software
Apr 21, 2023
CVE Published
via MITRE·02:51 PM
Data Sourced
via MITRE·02:51 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·03:15 PM
RemedyDescriptionSeverityWeaknessAffected 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-2023-1998?

CVE-2023-1998 has a high severity rating due to its potential to expose sensitive information to local authenticated attackers.

2

How do I fix CVE-2023-1998?

To mitigate CVE-2023-1998, update the Linux kernel to version 6.3 or apply the recommended patches for affected systems.

3

What software is affected by CVE-2023-1998?

CVE-2023-1998 affects various software including certain versions of the Linux kernel, IBM Security Verify Governance, and Debian Linux.

4

Can CVE-2023-1998 be exploited remotely?

CVE-2023-1998 requires local authenticated access, thus it cannot be exploited remotely.

5

What impact does CVE-2023-1998 have on system security?

CVE-2023-1998 can lead to leakage of sensitive information, which poses a significant risk to system security if exploited.

Company

Resources

Contact

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