CVE-2015-8950

low-risk
Published 2016-10-10

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.

Do I need to act?

-
0.15% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Linux

References (12)

Issue Tracking http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6829e2...
Vendor Advisory http://source.android.com/security/bulletin/2016-10-01.html
Release Notes http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.3
http://www.securityfocus.com/bid/93318
Issue Tracking https://github.com/torvalds/linux/commit/6829e274a623187c24f7cfc0e3d35f25d087fcc...
Issue Tracking https://source.codeaurora.org/quic/la/kernel/msm-3.10/commit/?id=6e2c437a2d0a85d...
Issue Tracking http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6829e2...
Vendor Advisory http://source.android.com/security/bulletin/2016-10-01.html
Release Notes http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.3
http://www.securityfocus.com/bid/93318
Issue Tracking https://github.com/torvalds/linux/commit/6829e274a623187c24f7cfc0e3d35f25d087fcc...
Issue Tracking https://source.codeaurora.org/quic/la/kernel/msm-3.10/commit/?id=6e2c437a2d0a85d...
24
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal