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Highest advisory severityMedium 1 vendor · 1 advisory

CVE-2022-1852

CVE-2022-1852: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.

Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.

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Vendor advisory comparison

Red Hat

1 advisory
  • Advisory severityMedium5.5

    Medium [CVE-2022-1852] NULL pointer dereference flaw was found in the Linux kernel’s KVM module, which can lead to a denial of service in the x86_emulate_insn in arch/x86/kvm/emulate.c

    CVE-2022-1852Source published Source updated

    A NULL pointer dereference flaw was found in the Linux kernel’s KVM module, which can lead to a denial of service in the x86_emulate_insn in arch/x86/kvm/emulate.c. This flaw occurs while executing an illegal instruction in guest in the Intel CPU. Red Hat severity: Moderate — CVSS 5.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-476. Affected Red Hat products: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 8.6 Extended Update Support; Red Hat Enterprise Linux 9; Red Hat Virtualization 4 for Red Hat Enterprise Linux 8. Red Hat lists Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7 as not affected. Red Hat fixing advisory: RHSA-2022:7444, RHSA-2022:7683, RHSA-2024:1877, RHSA-2022:8267, RHSA-2022:7933. Affected products named by the advisory: Red Hat package…

    Affected products in this advisory
    • Red Hat Enterprise Linux 8.6 Extended Update Support
    • Red Hat Enterprise Linux 9
    • Red Hat Virtualization 4 for Red Hat Enterprise Linux 8
    • Red Hat package: kernel-rt
    Source-reported affected versions
    Affected-version details not available in this record.
    Source-reported fixed versions
    • kernel-rt-0:4.18.0-425.3.1.rt7.213.el8
    • kernel-0:4.18.0-425.3.1.el8
    • kernel-0:4.18.0-372.100.1.el8_6
    • kernel-0:5.14.0-162.6.1.el9_1

    6 more entries in the full advisory.

    Mitigation guidance
    • This flaw can be mitigated by preventing the affected KVM module from loading during the boot time, and ensuring the module is added to the blacklist file. ~~~ Refer: How do I blacklist a kernel module to prevent it from loading automatically? https://access.redhat.com/solutions/41278 ~~~
    Full advisory and evidenceOpen source bulletin

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