CVE-2013-6392: The genlock_dev_ioctl function in genlock.c in the Genlock driver for the Linux kernel 3.x, as used in Qualcom

Routine

MEDIUM 4.9WATCHLISTMITIGATE

CVE-2013-6392 is a medium-severity flaw (CVSS 4.9) affecting android-msm. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The genlock_dev_ioctl function in genlock.c in the Genlock driver for the Linux kernel 3.x, as used in Qualcomm Innovation Center (QuIC) Android contributions for MSM devices and other products, does not properly initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory via a crafted GENLOCK_IOC_EXPORT ioctl call.

Why this priority

On your watchlist

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.9 (Medium)
EPSS exploit chance	0.4% (top 69%)
CISA exploited list	No
Weakness	CWE-399
Published	2013-11-30
Last modified	2026-06-17

Publisher (CNA): Red Hat, Inc. · Vendor: codeaurora

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2013-11-30 02:55 UTCPublished CVE record published
2026-06-17 00:00 UTCUpdated Record last modified

codeaurora android-msm MITIGATE

Affected: 3.2.54 · 3.4.72 · 3.4.73 · 3.4.74 · 3.4.75 · 3.4.76 · 3.4.77 · 3.4.78

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.2.54

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2013-6392?

android-msm: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2013-6392 being exploited?

CVE-2013-6392 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2013-6392 affect?

CVE-2013-6392 affects android-msm. Severity is medium (CVSS 4.9). The genlock_dev_ioctl function in genlock.c in the Genlock driver for the Linux kernel 3.x, as used in Qualcomm Innovation Center (QuIC) Android contributions for MSM devices and other products, does not properly initialize a certain data s

How urgent is CVE-2013-6392?

Priority 30/100. On your watchlist

Software pages

Linux kernel vulnerabilities · Android vulnerabilities · Qualcomm vulnerabilities

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References

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