CVE-2015-8950

Description

arch/arm64/mm/dma-mapping.c in the Linux kernel before 4.0.3, as used in the ION subsystem in Android and other products, does not initialize certain data structures, which allows local users to obtain sensitive information from kernel memory by triggering a dma_mmap call.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.15%
Vendor Advisory android.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://source.codeaurora.org/quic/la/kernel/msm-3.10/commit/?id=6e2c437a2d0a85d90d3db85a7471f99764f7bbf8 patch issue tracking
https://github.com/torvalds/linux/commit/6829e274a623187c24f7cfc0e3d35f25d087fcc5 patch issue tracking
http://source.android.com/security/bulletin/2016-10-01.html vendor advisory
http://www.securityfocus.com/bid/93318 vdb entry
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.3 release notes
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6829e274a623187c24f7cfc0e3d35f25d087fcc5 patch issue tracking

Frequently Asked Questions

What is the severity of CVE-2015-8950?
CVE-2015-8950 has been scored as a medium severity vulnerability.
How to fix CVE-2015-8950?
To fix CVE-2015-8950, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-8950 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-8950 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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