CVE-2016-7912

HIGHCVSS 7.8/10EPSS 2.11%

Last modified

CVE-2016-7912 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Use-after-free vulnerability in the ffs_user_copy_worker function in drivers/usb/gadget/function/f_fs.c in the Linux kernel before 4.5.3 allows local users to gain privileges by accessing an I/O data structure after a certain callback call.. EPSS estimates a 2.11% chance of exploitation in the next 30 days.

Description

Use-after-free vulnerability in the ffs_user_copy_worker function in drivers/usb/gadget/function/f_fs.c in the Linux kernel before 4.5.3 allows local users to gain privileges by accessing an I/O data structure after a certain callback call.

Metrics

CVSS 3.1
7.8/10

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

EPSS Probability
2.11%

79.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LinuxLinux Kernel>= 3.15, < 3.16.40
LinuxLinux Kernel>= 3.17, < 4.1.24
LinuxLinux Kernel>= 4.2, < 4.4.9
LinuxLinux Kernel>= 4.5, < 4.5.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2016-7912?
Use-after-free vulnerability in the ffs_user_copy_worker function in drivers/usb/gadget/function/f_fs.c in the Linux kernel before 4.5.3 allows local users to gain privileges by accessing an I/O data structure after a certain callback call.
How severe is CVE-2016-7912?
CVE-2016-7912 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 2.11% probability of exploitation in the next 30 days.
How do I fix CVE-2016-7912?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-7912?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST