5.9

CVE-2020-36516: linux linux_kernel

Modified
AliasesSUSE-SU-2022:3064-1UBUNTU-CVE-2020-36516DEBIAN-CVE-2020-36516
Published 26-02-2022Last modified 04-08-2024

Vulnerability summary

CVE-2020-36516 is a medium (CVSS 5.9) vulnerability in linux linux_kernel. EPSS estimates a 0.67% chance of exploitation in the next 30 days, higher than 52.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.9, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.9/10
010
Medium · v3.1 (NVD)
EPSS score
0.67%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 30 · Related 25

Timeline

  1. 26-02-2022
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in the Linux kernel through 5.16.11. The mixed IPID assignment method with the hash-based IPID assignment policy allows an off-path attacker to inject data into a victim's TCP session or terminate that session.

CVSS metrics

5 scores · 3 sources · 3 versions

EPSS trend

Probability

0.67%

Chance of exploitation in the next 30 days

Percentile

52%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.67% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu69 products
  • linuxAll versions (No fix recorded) | < 4.4.0-239.273 | < 4.15.0-176.185 | < 5.4.0-109.123
  • linux-aws< 4.4.0-1117.123 | < 4.4.0-1155.170 | < 4.15.0-1127.136 | < 5.4.0-1072.77
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
  • linux-aws-5.13All versions (No fix recorded)
Netapp16 products
Suse3 products
  • kernel-livepatch-SLE15_Update_32&distro=SUSE Linux Enterprise Live Patching 15< 2-150000.2.1
  • kernel-livepatch-SLE15-SP1_Update_33&distro=SUSE Linux Enterprise Live Patching 15 SP1< 2-150100.2.1
  • kgraft-patch-SLE12-SP5_Update_34&distro=SUSE Linux Enterprise Live Patching 12 SP5< 2-2.2
Debian1 product
  • linux< 5.16.7-1
Linux1 product

5 vendors · 90 products

References

11 links
Show all 11 references