CVE-2021-47358

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 ImpactpartialSuccessful exploitation gives limited 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

0.24% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 15.4% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-08-04.

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 14:44Z2 YR AGO

Last updated

2026-08-05 08:47Z2 MO AGO

Reserved

2024-05-21

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

CVSS:3.1/AV:L/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

7577407b984f8a22fef305da872a496d723096405b00d2b53e08d15da9326620

• git.kernel.orghttps://git.kernel.org/stable/c/92b67aaafb7c449db9f0c3dcabc0ff967cb3a42d
• git.kernel.orghttps://git.kernel.org/stable/c/64062fcaca8872f063ec9da011e7bf30470be33f
• git.kernel.orghttps://git.kernel.org/stable/c/a5cfd51f6348e8fd7531461366946039c29c7e69
• git.kernel.orghttps://git.kernel.org/stable/c/4dc56951a8d9d61d364d346c61a5f1d70b4f5e14
• git.kernel.orghttps://git.kernel.org/stable/c/b9e697e60ce9890e9258a73eb061288e7d68e5e6
• git.kernel.orghttps://git.kernel.org/stable/c/9872ff6fdce8b229f01993b611b5d1719cb70ff1
• git.kernel.orghttps://git.kernel.org/stable/c/92dc0b1f46e12cfabd28d709bb34f7a39431b44f