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CVE-2016-0823

13
FAUCET Score

CVE-2016-0823 is a vulnerability in the Linux kernel's pagemap_open function, affecting Linux kernel versions before 3.19.3 and Android 6.0.1 before the March 2016 patch. This flaw allows local users to access sensitive physical-address information by reading pagemap files. Rated Medium severity (CVSS 4.0), it has a low attack complexity and requires local access, leading to a potential information disclosure impact. While it has received some media coverage and community discussion, there is no known active exploitation, and no public exploit code or Metasploit modules are available.

Impacted Technologies

VendorProductVersion(s)CPE
6.0.1CPE matchmatch criteria
cpe:2.3:o:google:android:6.0.1:*:*:*:*:*:*:*
<= 3.19.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.0MEDIUM

CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.5
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.30%
Probability of exploitation in next 30 days
EPSS Percentile
22.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0031 is in the 29th percentile among its peer group of 3,049 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (5)

googlevendor investigatingvia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-rt
redhatend of lifevia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: realtime-kernel

Vendor Advisories (1)

redhatCVE-2016-0823Low

kernel: Leakage of physical address mappings to non-privileged userspace

Mar 9, 2015

References

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