CVE-2016-2085: linux linux_kernel Data Processing Errors
CVSS: 5.5v3.0MediumModified
AliasesUBUNTU-CVE-2016-2085DEBIAN-CVE-2016-2085
Published 27-04-2016Last modified 05-08-2024
Vulnerability summary
CVE-2016-2085 is a medium (CVSS 5.5) Data Processing Errors vulnerability in linux linux_kernel. EPSS estimates a 0.46% chance of exploitation in the next 30 days, higher than 38.5% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.0 (NVD)EPSS score
0.46%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 7 · Related 4Timeline
- 27-04-2016PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
The evm_verify_hmac function in security/integrity/evm/evm_main.c in the Linux kernel before 4.5 does not properly copy data, which makes it easier for local users to forge MAC values via a timing side-channel attack.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Low 2.1Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.46%
Chance of exploitation in the next 30 days
Percentile
39%
Versus all other CVEs
30-day change
+0.02 pp
From 0.44% on 19-09-2026
19-09-202619-10-2026
EPSS score0.46%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu4 products
- linux< 3.13.0-85.129
- linux-lts-utopic< 3.16.0-69.89~14.04.1
- linux-lts-vivid< 3.19.0-58.64~14.04.1
- linux-lts-wily< 4.2.0-35.40~14.04.1
Debian1 product
- linux< 4.4.2-1
Linux1 product
- linux_kernel≤ 4.4.8
3 vendors · 6 products
References
22 links- bugzilla.redhat.com/show_bug.cgi?id=1324867X Refsource CONFIRM
- people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-2085.htmlX Refsource CONFIRM
- github.com/torvalds/linux/commit/613317bd212c585c20796c10afe5daaa95d4b0a1X Refsource CONFIRMPatchVendor Advisory