vulnwire
7.8high

CVE-2016-2143

The fork implementation in the Linux kernel before 4.5 on s390 platforms mishandles the case of four page-table levels, which allows local…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
7.8
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
0.6%
percentile 47%
Public exploits
0
none known

The fork implementation in the Linux kernel before 4.5 on s390 platforms mishandles the case of four page-table levels, which allows local users to cause a denial of service (system crash) or possibly have unspecified other impact via a crafted application, related to arch/s390/include/asm/mmu_context.h and arch/s390/include/asm/pgalloc.h.

Exploit prediction (EPSS)

0.56% probability of exploitation in the next 30 days, higher than 47% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.17.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD2.06.9AV:L/AC:M/Au:N/C:C/I:C/A:C

Classification

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

References

  • lists.opensuse.org /opensuse-security-announce/2016-06/msg00054.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • git.kernel.org /cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3446c13b268af86391d06611327006b059b8b · x_refsource_CONFIRM, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-2766.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • oracle.com /technetwork/topics/security/linuxbulletinjul2016-3090544.html · x_refsource_CONFIRM, x_transferred
  • github.com /torvalds/linux/commit/3446c13b268af86391d06611327006b059b8bab1 · x_refsource_CONFIRM, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-07/msg00005.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • security-tracker.debian.org /tracker/CVE-2016-2143 · x_refsource_CONFIRM, x_transferred
  • debian.org /security/2016/dsa-3607 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-1539.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-06/msg00059.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-06/msg00052.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-04/msg00019.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00038.html · vendor-advisory, x_refsource_SUSE, x_transferred

Sources

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