CVE-2021-3411: Code Injection
First published: Fri Feb 12 2021(Updated: )
A flaw was found in the Linux kernel in versions prior to 5.10. A violation of memory access was found while detecting a padding of int3 in the linking state. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/Linux kernel | <5.10 | 5.10 |
| Linux Kernel | <5.10 | |
| Red Hat Enterprise Linux | =8.0 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.13-1 |
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Reference Links
- http://blog.pi3.com.pl/?p=831
- https://bugzilla.redhat.com/show_bug.cgi?id=1928236
- https://launchpad.net/bugs/cve/CVE-2021-3411
- https://security-tracker.debian.org/tracker/CVE-2021-3411
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3411
- https://nvd.nist.gov/vuln/detail/CVE-2021-3411
- https://ubuntu.com/security/CVE-2021-3411
Frequently Asked Questions
What is the severity of CVE-2021-3411?
CVE-2021-3411 has a high severity level due to potential impacts on data confidentiality, integrity, and system availability.
How do I fix CVE-2021-3411?
To fix CVE-2021-3411, upgrade the Linux kernel to version 5.10 or later.
Which versions are affected by CVE-2021-3411?
CVE-2021-3411 affects all Linux kernel versions prior to 5.10.
What systems are impacted by CVE-2021-3411?
CVE-2021-3411 impacts systems running Linux kernel versions earlier than 5.10, including some versions of Red Hat Enterprise Linux and Debian.
Is there a workaround for CVE-2021-3411?
There is no widely recommended workaround for CVE-2021-3411; updating to a secure version is advised.
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