Back to CVE records
Low 3.3Published Aug 5, 2021
CVE-2021-3655A vulnerability was found in the Linux kernel in versions prior to v5.14-rc1.
Updated under an hour ago ()
Does this affect you?
It affects linux_kernel and 2 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Start free and add your stack
Free account, 1 product
A vulnerability was found in the Linux kernel in versions prior to v5.14-rc1. Missing size validations on inbound SCTP packets may allow the kernel to read uninitialized memory.
- CVSS
- 3.3 LOW (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- Weakness (CWE)
- CWE-909
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- redhat
- NVD analysis
- Modified
- Record last updated
- Oct 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
linux linux_kernel linux:linux_kernel | before 5.14; 5.14 | NVD |
redhat enterprise_linux redhat:enterprise_linux | 8.0 | NVD |
debian debian_linux debian:debian_linux | 9.0 | NVD |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1984024x-refsource-misc
- https://lists.debian.org/debian-lts-announce/2021/10/msg00010.htmlmailing-list, x-refsource-mlist
- https://lists.debian.org/debian-lts-announce/2021/12/msg00012.htmlmailing-list, x-refsource-mlist
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.