CVE-2021-45480

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.38% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 31.6% of scored records. A rank, not a probability.

NVD base score

5.5 (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:N/I:N/A:H

NVD analysis status

Modified. 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

2021-12-24 22:55Z4 YR AGO

Last updated

2024-08-04 04:39Z2 YR AGO

Reserved

2021-12-24

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-401Missing Release of Memory after Effective LifetimeVariant

Data version

5.1

Document digest

2ec3097dc9a6c0325fe70cb2ee08dc6200374be6a176686fb8cf90f588b22e14

• github.comhttps://github.com/torvalds/linux/commit/5f9562ebe710c307adc5f666bf1a2162ee7977c0x_refsource_MISC
• cdn.kernel.orghttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.11x_refsource_MISC
• www.debian.orgDSA-5050https://www.debian.org/security/2022/dsa-5050vendor-advisoryx_refsource_DEBIAN
• lists.debian.org[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security updatehttps://lists.debian.org/debian-lts-announce/2022/03/msg00012.htmlmailing-listx_refsource_MLIST
• www.debian.orgDSA-5096https://www.debian.org/security/2022/dsa-5096vendor-advisoryx_refsource_DEBIAN