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    CVE-2009-3638

    Integer overflow in the kvm_dev_ioctl_get_supported_cpuid function in arch/x86/kvm/x86.c in the KVM subsystem in the Linux kernel before 2.6.31.4 allows local users to have an unspecified impact via a KVM_GET_SUPPORTED_CPUID request to the kvm_arch_dev_ioctl function.

    Published:Oct 4, 2009
    Last Modified:Apr 23, 2026
    EPS:Oct 29, 2009
    EPSS Score:0.00057
    CVSS Score:7.2

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel

    Exploits

    http://marc.info/?l=oss-security&m=125628917011048&w=2http://marc.info/?l=oss-security&m=125632898507373&w=2https://bugzilla.redhat.com/show_bug.cgi?id=530515http://marc.info/?l=oss-security&m=125628917011048&w=2http://marc.info/?l=oss-security&m=125632898507373&w=2https://bugzilla.redhat.com/show_bug.cgi?id=530515

    Related CVEs

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    CVE-2026-80924 (CVSS 7.5) — In the Linux kernel, the following vulnerability has been resolved: crypto: krb5 - use kfree_sensitive() for …
    CVE-2026-80923 — In the Linux kernel, the following vulnerability has been resolved: xhci: dbgtty: Fix unregister on tty_regis…
    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…
    CVE-2026-80919 — In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix recursive ww_mutex acquir…
    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…
    CVE-2026-80916 — In the Linux kernel, the following vulnerability has been resolved: kcov: fix data corruption and race condit…

    References

    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6a54435560efdab1a08f429a954df4d6c740bddf
    http://marc.info/?l=oss-security&m=125628917011048&w=2
    http://marc.info/?l=oss-security&m=125632898507373&w=2
    http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.31.4
    http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.32-rc4
    http://www.mandriva.com/security/advisories?name=MDVSA-2009:329
    http://www.securityfocus.com/bid/36803
    http://www.ubuntu.com/usn/usn-864-1
    https://bugzilla.redhat.com/show_bug.cgi?id=530515
    https://exchange.xforce.ibmcloud.com/vulnerabilities/53934
    https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00190.html
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6a54435560efdab1a08f429a954df4d6c740bddf
    http://marc.info/?l=oss-security&m=125628917011048&w=2
    http://marc.info/?l=oss-security&m=125632898507373&w=2
    http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.31.4
    http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.32-rc4
    http://www.mandriva.com/security/advisories?name=MDVSA-2009:329
    http://www.securityfocus.com/bid/36803
    http://www.ubuntu.com/usn/usn-864-1
    https://bugzilla.redhat.com/show_bug.cgi?id=530515
    https://exchange.xforce.ibmcloud.com/vulnerabilities/53934
    https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00190.html

    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