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CVE-2015-4692

15
FAUCET Score

CVE-2015-4692 describes a NULL pointer dereference vulnerability in the kvm_apic_has_events function within the Linux kernel (through version 4.1.3), specifically affecting KVM. A local attacker with /dev/kvm access can trigger a system crash via an ioctl call, leading to a denial of service. With a CVSS score of 4.9 (AV:L/AC:L/Au:N/C:N/I:N/A:C), this vulnerability requires local access and low attack complexity to achieve a high impact on availability. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.1.3CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.9MEDIUM

AV:L/AC:L/Au:N/C:N/I:N/A:C

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.45%
Probability of exploitation in next 30 days
EPSS Percentile
36.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0045 is in the 69th percentile among its peer group of 3,052 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (2)

redhatvendor investigatingvia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel

Vendor Advisories (1)

redhatCVE-2015-4692Moderate

kernel: kvm x86: NULL pointer dereference in kvm_apic_has_events function

Jun 4, 2015

References

git.kernel.org / cgit/linux/kernel/git/torvalds/linux.git/commit
lists.fedoraproject.org / pipermail/package-announce/2015-June/160829.html
lists.fedoraproject.org / pipermail/package-announce/2015-June/161144.html
lists.opensuse.org / opensuse-security-announce/2015-07/msg00049.html
lists.opensuse.org / opensuse-security-announce/2015-08/msg00011.html
bugzilla.redhat.com / show_bug.cgi
Vendor Advisory
github.com / torvalds/linux/commit/ce40cd3fc7fa40a6119e5fe6c0f2bc0eb4541009
debian.org / security/2015/dsa-3329
openwall.com / lists/oss-security/2015/06/21/1
securityfocus.com / bid/75142
securitytracker.com / id/1032798
ubuntu.com / usn/USN-2680-1
ubuntu.com / usn/USN-2681-1
ubuntu.com / usn/USN-2682-1
ubuntu.com / usn/USN-2683-1
ubuntu.com / usn/USN-2684-1