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CVE-2022-48765

17
FAUCET Score

CVE-2022-48765 is a medium-severity vulnerability in the Linux kernel's KVM (Kernel-based Virtual Machine) component, specifically related to the LAPIC (Local Advanced Programmable Interrupt Controller) timer handling. It can lead to a denial of service (system warning/crash) within a guest virtual machine during reboot, particularly when tsc-deadline mode is not exposed. The vulnerability has a CVSS score of 5.5, indicating a local attack vector with low complexity and high impact on availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.15.19CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 5.16.5CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
5.17CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.21%
Probability of exploitation in next 30 days
EPSS Percentile
11.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0021 is in the 52nd percentile among its peer group of 15,940 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-0:4.18.0-425.3.1.el8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-162.6.1.el9_1
View patch

Vendor Advisories (1)

redhatCVE-2022-48765Moderate

kernel: KVM: LAPIC: Also cancel preemption timer during SET_LAPIC

Jun 20, 2024

References

git.kernel.org / stable/c/35fe7cfbab2e81f1afb23fc4212210b1de6d9633
Patch
git.kernel.org / stable/c/54b3439c8e70e0bcfea59aeef9dd98908cbbf655
Patch
git.kernel.org / stable/c/ce55f63f6cea4cab8ae9212f73285648a5baa30d
Patch