Improper input validation in Linux Kernel
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 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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (44.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Linux Kernel
- Oracle Linux — versions 7
- Debian Linux — versions 6.0, 7.0, 8.0
- Red Hat Enterprise Linux — versions 7.0
Weakness classification (CWE)
References
- lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html (vendor-advisory, Third Party Advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Vendor Advisory)
- rhn.redhat.com/errata/RHSA-2016-2766.html (vendor-advisory, Third Party Advisory)
- www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html (Third Party Advisory)
- github.com/torvalds/linux/commit/3446c13b268af86391d06611327006b059b8bab1 (Patch)
- lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html (vendor-advisory, Third Party Advisory)
- security-tracker.debian.org/tracker/CVE-2016-2143 (Third Party Advisory)
- www.debian.org/security/2016/dsa-3607 (vendor-advisory, Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2016-1539.html (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2016-06/msg00059.html (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-2143?
- CVE-2016-2143 is a high-severity vulnerability in Linux Kernel, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2016-04-27.
- How severe is CVE-2016-2143?
- High severity. CVSS v3 base score is 7.8 out of 10.