vulnwire
5.5med

CVE-2016-2085

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 i…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
5.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.5%
percentile 40%
Public exploits
0
none known

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.

Exploit prediction (EPSS)

0.46% probability of exploitation in the next 30 days, higher than 40% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
NVD2.02.1AV:L/AC:L/Au:N/C:N/I:P/A:N

Classification

Weakness
Technology feeds
Linux kernel (RSS, critical only)

References

  • ubuntu.com /usn/USN-2949-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=1324867 · x_refsource_CONFIRM, x_transferred
  • security-tracker.debian.org /tracker/CVE-2016-2085 · x_refsource_CONFIRM, x_transferred
  • git.kernel.org /cgit/linux/kernel/git/torvalds/linux.git/commit/?id=613317bd212c585c20796c10afe5daaa95d4b · x_refsource_CONFIRM, x_transferred
  • ubuntu.com /usn/USN-2947-3 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • ubuntu.com /usn/USN-2947-2 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • people.canonical.com /~ubuntu-security/cve/2016/CVE-2016-2085.html · x_refsource_CONFIRM, x_transferred
  • ubuntu.com /usn/USN-2947-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • ubuntu.com /usn/USN-2946-2 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • github.com /torvalds/linux/commit/613317bd212c585c20796c10afe5daaa95d4b0a1 · x_refsource_CONFIRM, x_transferred
  • ubuntu.com /usn/USN-2948-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • ubuntu.com /usn/USN-2946-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • ubuntu.com /usn/USN-2948-2 · vendor-advisory, x_refsource_UBUNTU, x_transferred

Sources

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