What is CVE-2021-47131?

CVE-2021-47131 is a high-severity vulnerability in Linux, classified under Use After Free. CVSS score: 7.8/10. Published 2024-03-15.

How severe is CVE-2021-47131?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2021-47131 known to be exploited?

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

Use After Free in Linux

CVE-2021-47131

In the Linux kernel, the following vulnerability has been resolved: net/tls: Fix use-after-free after the TLS device goes down and up When a netdev with active TLS offload goes down, tls_device_down is called to stop the offload and tear…

Vulnerability class: Use-After-Free

EPSS: 0.003 (17.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions e8f69799810c32dd40c6724d829eccc70baad07f, 4.18, 0
Linux Linux_kernel — versions 5.13

Weakness classification (CWE)

CWE-416 — Use After Free

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-2021-47131?: CVE-2021-47131 is a high-severity vulnerability in Linux, classified under Use After Free. CVSS score: 7.8/10. Published 2024-03-15.
How severe is CVE-2021-47131?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2021-47131 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.