RCE in Linux Kernel
CVE-2021-3411
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.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (32.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Linux Kernel
- Red Hat Enterprise Linux — versions 8.0
- Linux Kernel — versions Linux kernel 5.10
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)
- blog.pi3.com.pl/ (Exploit, Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-3411?
- CVE-2021-3411 is a medium-severity vulnerability in Linux Kernel, classified under Code Injection. CVSS score: 6.7/10. Published 2021-03-09.
- How severe is CVE-2021-3411?
- Medium severity. CVSS v3 base score is 6.7 out of 10.