Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-3312

22
FAUCET Score

CVE-2023-3312 is a denial-of-service vulnerability affecting the Linux Kernel, specifically within the cpufreq subsystem's qcom-cpufreq-hw.c driver. This flaw, categorized as a double-free (CWE-415), occurs during device unbinding. It carries a CVSSv3.1 score of 7.5 (HIGH), indicating a network-exploitable vulnerability with low attack complexity that can lead to a complete loss of availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 6.2, < 6.2.15CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.3, < 6.3.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.88%
Probability of exploitation in next 30 days
EPSS Percentile
55.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0088 is in the 30th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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 (8)

microsoftpatch availablevia msrc
Product: cm1 kernel 5.10.185.1-1 on CBL Mariner 1.0Fixed in: 5.10.185.1-1
microsoftpatch availablevia msrc
Product: cbl2 kernel 5.15.118.1-2 on CBL Mariner 2.0Fixed in: 5.15.118.1-2
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 x64Fixed in: 5.10.185.1-1
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 ARMFixed in: 5.10.185.1-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 5.15.158.2-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 5.15.118.1-2
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 5.15.158.2-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 5.15.118.1-2

Vendor Advisories (3)

microsoft2023-Jul/CVE-2023-3312

CVE-2023-3312

Jul 11, 2023
microsoft2023-Jun/CVE-2023-3312Important

A vulnerability was found in drivers/cpufreq/qcom-cpufreq-hw.c in cpufreq subsystem in the Linux Kernel. This flaw during device unbind will lead to double release problem leading to denial of service.

Jun 13, 2023
redhatCVE-2023-3312Low

kernel: double free in IO unmap and resource release on exit in drivers/cpufreq/qcom-cpufreq-hw.c

Mar 23, 2023

References

patchwork.kernel.org / project/linux-pm/patch/20230323174026.950622-1-krzysztof.kozlowski%40linaro.org
security.netapp.com / advisory/ntap-20230731-0005