CVE-2020-14314

CWE-125Out-of-bounds Read15 documents9 sources
Severity
5.5MEDIUM
EPSS
0.0%
top 94.33%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedSep 15
Latest updateMay 24

Description

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 exists. The highest threat from this vulnerability is to system availability.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages4 packages

NVDlinux/linux_kernel5.8.9+1
CVEListV5linux_kernel/kernelbefore 5.9-rc2
Debianlinux< 5.8.7-1+3

Also affects: Debian Linux 9.0, Ubuntu Linux 14.04, 16.04, 18.04, 20.04

Patches

🔴Vulnerability Details

5
GHSA
GHSA-4vqp-m886-hqhq: A memory out-of-bounds read flaw was found in the Linux kernel before 52022-05-24
OSV
linux-oem-5.6 vulnerabilities2021-02-25
OSV
linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-hwe-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities2020-10-14
OSV
CVE-2020-14314: A memory out-of-bounds read flaw was found in the Linux kernel before 52020-09-15
CVEList
CVE-2020-14314: A memory out-of-bounds read flaw was found in the Linux kernel before 52020-09-15

📋Vendor Advisories

7
Ubuntu
Linux kernel (OEM) vulnerabilities2021-02-25
Ubuntu
Linux kernel vulnerabilities2020-10-14
Ubuntu
Linux kernel vulnerabilities2020-10-14
Ubuntu
Linux kernel vulnerabilities2020-10-14
Microsoft
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 c2020-09-08

💬Community

2
Bugzilla
CVE-2020-14314 kernel: buffer uses out of index in ext3/4 filesystem [fedora-all]2020-07-06
Bugzilla
CVE-2020-14314 kernel: buffer uses out of index in ext3/4 filesystem2020-07-05