CVE-2015-4692
CVE-2015-4692 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 2.0 base score 4.9)
- EPSS exploit prediction: 0% (36th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Linux Linux Kernel
- Published:
- Last modified:
Description
The kvm_apic_has_events function in arch/x86/kvm/lapic.h in the Linux kernel through 4.1.3 allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by leveraging /dev/kvm access for an ioctl call.
Frequently asked questions
- What is CVE-2015-4692?
- The kvm_apic_has_events function in arch/x86/kvm/lapic.h in the Linux kernel through 4.1.3 allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by leveraging /dev/kvm access for an ioctl call.
- How severe is CVE-2015-4692?
- CVE-2015-4692 has a CVSS 2.0 base score of 4.9, rated medium severity.
- Is CVE-2015-4692 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2015-4692?
- CVE-2015-4692 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2015-4692?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2015-4692 published?
- CVE-2015-4692 was published on 2015-07-27 and last updated on 2026-06-17.
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ce40cd3fc7fa40a6119e5fe6c0f2bc0eb4541009
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160829.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/161144.html
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00049.html
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html
- http://www.debian.org/security/2015/dsa-3329
- http://www.openwall.com/lists/oss-security/2015/06/21/1
- http://www.securityfocus.com/bid/75142
- http://www.securitytracker.com/id/1032798
- http://www.ubuntu.com/usn/USN-2680-1
- http://www.ubuntu.com/usn/USN-2681-1
- http://www.ubuntu.com/usn/USN-2682-1
- http://www.ubuntu.com/usn/USN-2683-1
- http://www.ubuntu.com/usn/USN-2684-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1230770
- https://github.com/torvalds/linux/commit/ce40cd3fc7fa40a6119e5fe6c0f2bc0eb4541009
Affected products (1)
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
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