CVE-2021-3669
MEDIUMCVSS 5.5/10EPSS 0.28%
Last modified
CVE-2021-3669 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A flaw was found in the Linux kernel. Measuring usage of the shared memory does not scale with large shared memory segment counts which could lead to resource exhaustion and DoS.. EPSS estimates a 0.28% chance of exploitation in the next 30 days.
Description
A flaw was found in the Linux kernel. Measuring usage of the shared memory does not scale with large shared memory segment counts which could lead to resource exhaustion and DoS.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | All versions |
| Ibm | Spectrum Copy Data Management | >= 2.2.0.0, <= 2.2.15.0 |
| Ibm | Spectrum Protect Plus | >= 10.1.0, <= 10.1.10.2 |
| Debian | Debian Linux | 10.0 |
| Debian | Debian Linux | 11.0 |
| Fedoraproject | Fedora | 34 |
| Redhat | Build Of Quarkus | >= 2.0, < 2.7 |
| Redhat | Developer Tools | 1.0 |
| Redhat | Enterprise Linux | 6.0 |
| Redhat | Enterprise Linux | 7.0 |
| Redhat | Enterprise Linux | 8.0 |
| Redhat | Enterprise Linux Aus | 8.6 |
| Redhat | Enterprise Linux For Ibm Z Systems | 8.0 |
| Redhat | Enterprise Linux For Ibm Z Systems Eus | 8.6 |
| Redhat | Enterprise Linux For Power Little Endian | 8.0 |
| Redhat | Enterprise Linux For Power Little Endian Eus | 8.6 |
| Redhat | Enterprise Linux For Real Time | 8 |
| Redhat | Enterprise Linux For Real Time For Nfv | 8 |
| Redhat | Enterprise Linux For Real Time For Nfv Tus | 8.6 |
| Redhat | Enterprise Linux For Real Time Tus | 8.6 |
| Redhat | Enterprise Linux Server Aus | 8.6 |
| Redhat | Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions | 8.6 |
| Redhat | Enterprise Linux Server Tus | 8.6 |
| Redhat | Codeready Linux Builder | All versions |
| Redhat | Openshift Container Platform | 4.6 |
| Redhat | Openshift Container Platform | 4.7 |
| Redhat | Openshift Container Platform | 4.9 |
| Redhat | Virtualization Host | 4.0 |
References
- https://access.redhat.com/security/cve/CVE-2021-3669Issue Tracking, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1980619Issue Tracking, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1986473Issue Tracking, Permissions Required
- https://security-tracker.debian.org/tracker/CVE-2021-3669Issue Tracking, Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2021-3669Issue Tracking, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1980619Issue Tracking, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1986473Issue Tracking, Permissions Required
- https://security-tracker.debian.org/tracker/CVE-2021-3669Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-3669?
A flaw was found in the Linux kernel. Measuring usage of the shared memory does not scale with large shared memory segment counts which could lead to resource exhaustion and DoS.
How severe is CVE-2021-3669?
CVE-2021-3669 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.
How do I fix CVE-2021-3669?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-3669?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST