What is CVE-2021-47124?

CVE-2021-47124 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2024-03-15.

How severe is CVE-2021-47124?

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

Is CVE-2021-47124 known to be exploited?

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

Vulnerability in Linux

CVE-2021-47124

In the Linux kernel, the following vulnerability has been resolved: io_uring: fix link timeout refs WARNING: CPU: 0 PID: 10242 at lib/refcount.c:28 refcount_warn_saturate+0x15b/0x1a0 lib/refcount.c:28 RIP: 0010:refcount_warn_saturate+0x1…

EPSS: 0.002 (14.0th 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 5.12, 567c81912cec641db75ac6cb64c63f8367c97d19, 5.11.6
Linux Linux_kernel — versions 5.13

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

Frequently asked questions

What is CVE-2021-47124?: CVE-2021-47124 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2024-03-15.
How severe is CVE-2021-47124?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2021-47124 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.