5.5

CVE-2020-10720: linux linux_kernel Use After Free

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2020-10720DEBIAN-CVE-2020-10720
Published 03-09-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-10720 is a medium (CVSS 5.5) Use After Free vulnerability in linux linux_kernel. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 25.7% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.34%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 16 · Related 13

Timeline

  1. 03-09-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

A flaw was found in the Linux kernel's implementation of GRO in versions before 5.2. This flaw allows an attacker with local access to crash the system.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.34%

Chance of exploitation in the next 30 days

Percentile

26%

Versus all other CVEs

30-day change

0.00 pp

From 0.34% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.34%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu30 products
  • linuxAll versions (No fix recorded) | < 4.4.0-157.185 | < 4.15.0-60.67
  • linux-aws< 4.4.0-1054.58 | < 4.4.0-1090.101 | < 4.15.0-1047.49
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-fips< 4.15.0-2018.18 | All versions (No fix recorded)
  • linux-aws-hwe< 4.15.0-1047.49~16.04.1
Debian1 product
  • linux< 5.2.6-1
Linux1 product

3 vendors · 32 products

References

7 links