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.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
0.34%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 16 · Related 13Timeline
- 03-09-2020PublishedVulnerability first disclosed.
- 04-08-2024Last 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 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Medium 4.9Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:N/I:N/A:CSourcesSingle source
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 score0.34%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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
- linux_kernel< 5.2
3 vendors · 32 products
References
7 links- bugzilla.redhat.com/show_bug.cgi?id=1781204X Refsource MISCREPORTIssue TrackingPatchThird Party Advisory