CVE-2016-0823

Severity: medium (CVSS 4.0 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-03-12 · updated 2026-06-17
Weakness: CWE-200

Description

The pagemap_open function in fs/proc/task_mmu.c in the Linux kernel before 3.19.3, as used in Android 6.0.1 before 2016-03-01, allows local users to obtain sensitive physical-address information by reading a pagemap file, aka Android internal bug 25739721.

Affected products

Android: 6.0.1
Linux kernel: through 3.19.2

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ab676b7d6fbf4b294bf198fb27ade5b0e865c7ce
http://googleprojectzero.blogspot.com/2015/03/exploiting-dram-rowhammer-bug-to-gain.html
http://source.android.com/security/bulletin/2016-03-01.html
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.3
http://www.securityfocus.com/bid/84265
https://github.com/torvalds/linux/commit/ab676b7d6fbf4b294bf198fb27ade5b0e865c7ce
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ab676b7d6fbf4b294bf198fb27ade5b0e865c7ce
http://googleprojectzero.blogspot.com/2015/03/exploiting-dram-rowhammer-bug-to-gain.html
http://source.android.com/security/bulletin/2016-03-01.html
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.3
http://www.securityfocus.com/bid/84265
https://github.com/torvalds/linux/commit/ab676b7d6fbf4b294bf198fb27ade5b0e865c7ce

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