CVE-2023-3312 — A vulnerability was found in drivers/cpufreq/qcom-cpufreq-hw

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.

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
n	a / Kernel	Kernel version prior to 6.4-rc1

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-06-19T00:00:00.000Z
• Last modified: 2025-04-23T16:21:06.293Z

09References

• patchwork.kernel.org — https://patchwork.kernel.org/project/linux-pm/patch/20230323174026.950622-1-krzy…
• security.netapp.com — https://security.netapp.com/advisory/ntap-20230731-0005/