vulnwire
7.0high

CVE-2018-14656

A missing address check in the callers of the show_opcodes() in the Linux kernel allows an attacker to dump the kernel memory at an arbitra…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
7.0
v3.0 · CNA
CISA KEV
No
not known exploited
EPSS
0.5%
percentile 45%
Public exploits
0
none known

A missing address check in the callers of the show_opcodes() in the Linux kernel allows an attacker to dump the kernel memory at an arbitrary kernel address into the dmesg log.

Exploit prediction (EPSS)

0.53% probability of exploitation in the next 30 days, higher than 45% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CNA3.07.0CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA3.07.0CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD3.05.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD2.02.1AV:L/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • [UNKNOWN] kernel

Classification

Weakness
  • CWE-20 Improper Input Validation
Technology feeds
Linux kernel (RSS, critical only)

References

  • bugzilla.redhat.com /show_bug.cgi?id=CVE-2018-14656 · x_refsource_CONFIRM, x_transferred
  • securitytracker.com /id/1041804 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • git.kernel.org /pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=342db04ae71273322f0011384a9ed414df · x_refsource_CONFIRM, x_transferred
  • lore.kernel.org /lkml/20180828154901.112726-1-jannh%40google.com/T/ · x_refsource_MISC, x_transferred
  • seclists.org /oss-sec/2018/q4/9 · x_refsource_MISC, x_transferred
  • bugs.chromium.org /p/project-zero/issues/detail?id=1650 · x_refsource_MISC, x_transferred

Sources

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