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    CVE-2022-39189

    An issue was discovered the x86 KVM subsystem in the Linux kernel before 5.18.17. Unprivileged guest users can compromise the guest kernel because TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED situations.

    Published:May 30, 2022
    Last Modified:May 5, 2025
    EPS:Sep 2, 2022
    EPSS Score:0.00015
    CVSS Score:7.8

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Netapp
    Product
    Hci Baseboard Management Controller
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Redhat
    Product
    Rhev Hypervisor

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    CVE-2026-80922 — In the Linux kernel, the following vulnerability has been resolved: crypto: qcom-rng - Allow zero as a random…
    CVE-2026-80921 (CVSS 8.8) — In the Linux kernel, the following vulnerability has been resolved: KVM: s390: vsie: zero stale crypto bits …
    CVE-2026-80920 — In the Linux kernel, the following vulnerability has been resolved: io_uring: defer eventfd signaling when qu…
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    CVE-2026-80918 — In the Linux kernel, the following vulnerability has been resolved: HID: core: fix number/pointer type confus…
    CVE-2026-80917 — In the Linux kernel, the following vulnerability has been resolved: PCI: host-generic: Fix NULL pointer deref…
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    References

    https://bugs.chromium.org/p/project-zero/issues/detail?id=2309
    https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.17
    https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6cd88243c7e03845a450795e134b488fc2afb736
    https://github.com/torvalds/linux/commit/6cd88243c7e03845a450795e134b488fc2afb736
    https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
    https://security.netapp.com/advisory/ntap-20230214-0007/
    https://www.debian.org/security/2023/dsa-5480
    https://bugs.chromium.org/p/project-zero/issues/detail?id=2309
    https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.17
    https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6cd88243c7e03845a450795e134b488fc2afb736
    https://github.com/torvalds/linux/commit/6cd88243c7e03845a450795e134b488fc2afb736
    https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
    https://security.netapp.com/advisory/ntap-20230214-0007/
    https://www.debian.org/security/2023/dsa-5480

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High