PT-2020-3072 · Linux+2 · Linux Kernel+2

Marian Rehak · Published 2020-05-13 · Updated 2025-09-17 · CVE-2020-10742

Positive Technologies (AI Summary)

CVSS v2.0

6.6

Medium

Base vector

AV:L/AC:L/Au:N/C:C/I:N/A:C

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The issue is related to a buffer overflow in the Direct IO function of the Linux kernel, which can be exploited to gain unauthorized access to protected information or cause a denial of service. This flaw can lead to the NFS client crashing and, in some cases, cause a kernel panic after a memory allocation by kmalloc. The primary threats posed by this issue are to data confidentiality and system availability.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Stack Overflow

Memory Corruption

Weakness Enumeration

CWE-121

CWE-787

Related Identifiers

BDU:2020-03364

CESA-2020_4060

CVE-2020-10742

RHSA-2020:4060

RHSA-2020:4062

RHSA-2020_4060

RHSA-2020_4062

Affected Products

Centos

Linux Kernel

Red Hat

References · 17

• https://ubuntu.com/security/CVE-2020-10742 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-10742 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2020-10742 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-10742 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-10742 · Security Note
• https://bdu.fstec.ru/vul/2020-03364 · Security Note
• https://linux.oracle.com/errata/ELSA-2020-4060.html · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-10742 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-10742 · Vendor Advisory
• https://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-10742.html · Note
• https://t.me/cvenotify/16183 · Telegram Post
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=91f79c43d1b54d7154b118860d81b39bad07dfff · Note
• https://twitter.com/dailycve/status/1968435136921243785 · Twitter Post
• https://bugzilla.redhat.com/show_bug.cgi?id=1835127 · Note
• https://linuxkernelcves.com/cves/CVE-2020-10742 · Note