Out-of-bounds Read in Linux Linux_kernel
CVE-2020-14314
A memory out-of-bounds read flaw was found in the Linux kernel before 5.9-rc2 with the ext3/ext4 file system, in the way it accesses a directory with broken indexing. This flaw allows a local user to crash the system if the directory exist…
Vulnerability class: Buffer Overflow
EPSS: 0.004 (28.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux Linux_kernel — versions 5.9.0
- Linux Kernel — versions before 5.9-rc2
- Starwindsoftware Starwind_virtual_san — versions v8
- Canonical Ubuntu_linux — versions 14.04, 16.04, 18.04
- Debian Debian_linux — versions 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Patch, Vendor Advisory)
- secalert@redhat.com
- secalert@redhat.com (Third Party Advisory, Issue Tracking)
- secalert@redhat.com (mailing-list, Mailing List, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory)
- secalert@redhat.com (mailing-list, Mailing List, Third Party Advisory)
- secalert@redhat.com (mailing-list, Mailing List, Third Party Advisory)
- secalert@redhat.com (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-14314?
- CVE-2020-14314 is a medium-severity vulnerability in Linux Linux_kernel, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2020-09-15.
- How severe is CVE-2020-14314?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2020-14314 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.