CVE-2021-47324

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

1.16% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 64.9% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2024-05-21 14:35Z2 YR AGO

Last updated

2026-05-11 13:52Z3 MO AGO

Reserved

2024-05-21

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-416Use After FreeVariant

Data version

5.2

Document digest

77ccddc63d9c226f93ab2b9e53e45637fa3418b0777129a5a23d23826303a5e0

• git.kernel.orghttps://git.kernel.org/stable/c/63a3dc24bd053792f84cb4eef0168b1266202a02
• git.kernel.orghttps://git.kernel.org/stable/c/862f2b5a7c38762ac9e369daefbf361a91aca685
• git.kernel.orghttps://git.kernel.org/stable/c/0ac50a76cf3cd63db000648b3b19f3f98b8aaa76
• git.kernel.orghttps://git.kernel.org/stable/c/dc9403097be52d57a5c9c35efa9be79d166a78af
• git.kernel.orghttps://git.kernel.org/stable/c/146cc288fb80c662c9c35e7bc58325d1ac0a7875
• git.kernel.orghttps://git.kernel.org/stable/c/a397cb4576fc2fc802562418b3a50b8f67d60d31
• git.kernel.orghttps://git.kernel.org/stable/c/b4ebf4a4692e84163a69444c70ad515de06e2259
• git.kernel.orghttps://git.kernel.org/stable/c/8adbbe6c86bb13e14f8a19e036ae5f4f5661fd90
• git.kernel.orghttps://git.kernel.org/stable/c/c08a6b31e4917034f0ed0cb457c3bb209576f542