CVE Feed

    Dashboard / CVE / CVE-2012-1601

    CVE-2012-1601

    The KVM implementation in the Linux kernel before 3.3.6 allows host OS users to cause a denial of service (NULL pointer dereference and host OS crash) by making a KVM_CREATE_IRQCHIP ioctl call after a virtual CPU already exists.

    Published:Feb 7, 2012
    Last Modified:Apr 11, 2025
    EPS:May 17, 2012
    EPSS Score:0.00127
    CVSS Score:4.9

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Virtualization

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-80925 — In the Linux kernel, the following vulnerability has been resolved: vlan: fix skb_under_panic and races when …
    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://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html
    http://rhn.redhat.com/errata/RHSA-2012-0571.html
    http://rhn.redhat.com/errata/RHSA-2012-0676.html
    http://secunia.com/advisories/49928
    http://www.debian.org/security/2012/dsa-2469
    http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.6
    http://www.openwall.com/lists/oss-security/2012/03/30/1
    http://www.securitytracker.com/id?1026897
    https://bugzilla.redhat.com/show_bug.cgi?id=808199
    https://github.com/torvalds/linux/commit/9c895160d25a76c21b65bad141b08e8d4f99afef
    https://www.suse.com/support/update/announcement/2012/suse-su-20121679-1.html
    http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html
    http://rhn.redhat.com/errata/RHSA-2012-0571.html
    http://rhn.redhat.com/errata/RHSA-2012-0676.html
    http://secunia.com/advisories/49928
    http://www.debian.org/security/2012/dsa-2469
    http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.6
    http://www.openwall.com/lists/oss-security/2012/03/30/1
    http://www.securitytracker.com/id?1026897
    https://bugzilla.redhat.com/show_bug.cgi?id=808199
    https://github.com/torvalds/linux/commit/9c895160d25a76c21b65bad141b08e8d4f99afef
    https://www.suse.com/support/update/announcement/2012/suse-su-20121679-1.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