What is CVE-2021-47128?

CVE-2021-47128 is a medium-severity vulnerability in Linux, classified under Improper Locking. CVSS score: 5.5/10. Published 2024-03-15.

How severe is CVE-2021-47128?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2021-47128 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Linux

CVE-2021-47128

In the Linux kernel, the following vulnerability has been resolved: bpf, lockdown, audit: Fix buggy SELinux lockdown permission checks Commit 59438b46471a ("security,lockdown,selinux: implement SELinux lockdown") added an implementation…

EPSS: 0.002 (7.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions 59438b46471ae6cdfb761afc8c9beaf1e428a331, 5.6, 0
Linux Linux_kernel — versions 5.13

Weakness classification (CWE)

CWE-667 — Improper Locking

Public proof-of-concept exploits

NaInSec/CVE-LIST

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2021-47128?: CVE-2021-47128 is a medium-severity vulnerability in Linux, classified under Improper Locking. CVSS score: 5.5/10. Published 2024-03-15.
How severe is CVE-2021-47128?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2021-47128 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.