What is CVE-2021-47184?

CVE-2021-47184 is a high-severity vulnerability in Linux, classified under NULL Pointer Dereference. CVSS score: 8.8/10. Published 2024-04-10.

How severe is CVE-2021-47184?

High severity. CVSS v3 base score is 8.8 out of 10.

NULL pointer dereference in Linux

CVE-2021-47184

In the Linux kernel, the following vulnerability has been resolved: i40e: Fix NULL ptr dereference on VSI filter sync Remove the reason of null pointer dereference in sync VSI filters. Added new I40E_VSI_RELEASING flag to signalize deleting and releasing of VSI resources to sync this thread with sync filters subtask. Without this patch it is possible to start update the VSI filter list after VSI is removed, that's causing a kernel oops.

EPSS: 0.002 (15.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Linux — versions 41c445ff0f482bb6e6b72dcee9e598e20575f743, 3.12, 0
Linux Linux_kernel — versions 5.16

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

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

Frequently asked questions

What is CVE-2021-47184?: CVE-2021-47184 is a high-severity vulnerability in Linux, classified under NULL Pointer Dereference. CVSS score: 8.8/10. Published 2024-04-10.
How severe is CVE-2021-47184?: High severity. CVSS v3 base score is 8.8 out of 10.