Improper input validation in Linux Kernel
CVE-2013-1943
The KVM subsystem in the Linux kernel before 3.0 does not check whether kernel addresses are specified during allocation of memory slots for use in a guest's physical address space, which allows local users to gain privileges or obtain sensitive information from kernel memory via a crafted application, related to arch/x86/kvm/paging_tmpl.h and virt/kvm/kvm_main.c.
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: 0.004 (36.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Linux Kernel
- Canonical Ubuntu Linux — versions 10.04
- Red Hat Enterprise Linux — versions 5.0
- Red Hat Enterprise Linux Eus — versions 6.2, 6.3
Weakness classification (CWE)
References
- web.archive.org/web/20130329070349/http://ftp.osuosl.org/pub/linux/kernel/v3.0/… (Broken Link)
- github.com/torvalds/linux/commit/fa3d315a4ce2c0891cdde262562e710d95fba19e (Patch, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- www.ubuntu.com/usn/USN-1939-1 (vendor-advisory, Third Party Advisory)
- git.kernel.org/
Frequently asked questions
- What is CVE-2013-1943?
- CVE-2013-1943 is a high-severity vulnerability in Linux Kernel, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2013-07-16.
- How severe is CVE-2013-1943?
- High severity. CVSS v3 base score is 7.8 out of 10.