Vulnerability · Published Mar 9, 2021 · Assigned by redhat
CVE-2021-3411
Medium 6.7
In plain English
A medium-severity code injection in Linux kernel. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.7Medium
Exploit odds (30 days)0.4%top 65.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 5.9.15-1 | DEBIAN-CVE-2021-3411 |
| Debian:13 | linux | 5.9.15-1 | DEBIAN-CVE-2021-3411 |
| Debian:14 | linux | 5.9.15-1 | DEBIAN-CVE-2021-3411 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Linux kernel | Linux kernel 5.10 |
Weakness: CWE-94
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1928236 x_refsource_MISC
- http://blog.pi3.com.pl/?p=831 x_refsource_MISC