PT-2019-5823 · Linux+4 · Linux Kernel+4

Syzbot · Published 2019-05-30 · Updated 2021-05-28 · CVE-2020-10720

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 5.2

Description A flaw was found in the Linux kernel's implementation of Generic Receive Offload (GRO). This issue is related to the use of memory after it has been freed, which can be exploited to cause a denial of service, allowing an attacker with local access to crash the system.

Recommendations For Linux kernel versions prior to 5.2, update to version 5.2 or later to resolve the issue. At the moment, there is no information about additional mitigation measures for this vulnerability.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALT-PU-2019-2321

ALT-PU-2019-2339

ALT-PU-2019-2488

ALT-PU-2019-2746

ALT-PU-2020-1198

ALT-PU-2020-1501

ALT-PU-2020-2410

ALT-PU-2020-2433

ALT-PU-2021-1870

BDU:2021-03187

CESA-2019_3309

CESA-2019_3517

CVE-2020-10720

OPENSUSE-SU-2020:0801-1

OPENSUSE-SU-2020_0801-1

RHSA-2019:3309

RHSA-2019:3517

RHSA-2019_3309

RHSA-2019_3517

RHSA-2020:2854

SUSE-SU-2020:1255-1

SUSE-SU-2020:1275-1

SUSE-SU-2020:1587-1

SUSE-SU-2020:1599-1

SUSE-SU-2020:1602-1

SUSE-SU-2020:1603-1

SUSE-SU-2020:1604-1

SUSE-SU-2020:1605-1

SUSE-SU-2020:1663-1

SUSE-SU-2020:2156-1

SUSE-SU-2020:2478-1

SUSE-SU-2020:2487-1

SUSE-SU-2020_1587-1

SUSE-SU-2020_1599-1

SUSE-SU-2020_1602-1

SUSE-SU-2020_1603-1

SUSE-SU-2020_1604-1

SUSE-SU-2020_1605-1

SUSE-SU-2020_1663-1

Affected Products

Alt Linux

Centos

Linux Kernel

Red Hat

Suse

References · 604

• https://osv.dev/vulnerability/UBUNTU-CVE-2020-10720 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-03187 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2020:1255-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2020:1604-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2020:2478-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2020-10720 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-10720 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-10720 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2020:1587-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2020:1603-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2020:1602-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2020:2487-1 · Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1781204 · Patch
• https://cve.org/CVERecord?id=CVE-2020-10720 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2020:1275-1 · Vendor Advisory