CVE-2013-6392

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-11-30 · updated 2026-06-17
Weakness: CWE-399

Description

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.

Affected products

Codeaurora Android-Msm: 3.2.54, 3.4.72, 3.4.73, 3.4.74, 3.4.75, 3.4.76 (+32)

References

http://openwall.com/lists/oss-security/2013/11/25/4
https://www.codeaurora.org/cgit/quic/la/kernel/msm/commit/drivers/base/genlock.c?id=e3c43027bdb59f03eec7ead0a01c77e4bf801625&h=jb_3.2.3
http://openwall.com/lists/oss-security/2013/11/25/4
https://www.codeaurora.org/cgit/quic/la/kernel/msm/commit/drivers/base/genlock.c?id=e3c43027bdb59f03eec7ead0a01c77e4bf801625&h=jb_3.2.3

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