CVE-2020-36516: linux linux_kernel
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.
Not severe (CVSS 5.9, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 30 · Related 25Timeline
- 26-02-2022PublishedVulnerability first disclosed.
- 04-08-2024Last 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- OSV · UbuntuEcosystem advisory · calculated5.9MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L
- OSV · DebianEcosystem advisory · calculated5.9MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L
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
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
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
- bootstrap_osna
- cloud_volumes_ontap_mediatorna
- e-series_santricity_os_controller≥ 11.0 (No fix recorded)
- h300e_firmwarena
- h300s_firmwarena
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
- linux_kernel≤ 5.6.11
5 vendors · 90 products
References
11 links- dl.acm.org/doi/10.1145/3372297.3417884X Refsource MISCREPORTTechnical DescriptionThird Party Advisory