CVE-2021-41073

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

1.77% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 77.7% 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 2026-06-17.

Red Hat severity

Important. 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

2021-09-19 16:02Z5 YR AGO

Last updated

2024-08-04 02:59Z2 YR AGO

Reserved

2021-09-14

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-763Release of Invalid Pointer or ReferenceBase
• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass

Data version

5.1

Document digest

3e7cdf9d124fa18c381db76cf00c55adcf2389c6e02b4753442e9f27738cac8c

• www.openwall.com[oss-security] 20210918 Linux Kernel: Exploitable vulnerability in io_uringhttp://www.openwall.com/lists/oss-security/2021/09/18/2mailing-listx_refsource_MLIST
• git.kernel.orghttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=16c8d2df7ec0eed31b7d3b61cb13206a7fb930ccx_refsource_MISC
• www.debian.orgDSA-4978https://www.debian.org/security/2021/dsa-4978vendor-advisoryx_refsource_DEBIAN
• lists.fedoraproject.orgFEDORA-2021-884d245ef8https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAP4TXEZ7J4EZQMQW5SIJMWXG7WZT3F7/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-e0d6215753https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J7KSMIOQ4377CVTHMWNGNCWHMCRFRP2T/vendor-advisoryx_refsource_FEDORA
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20211014-0003/x_refsource_CONFIRM
• www.openwall.com[oss-security] 20220604 Re: Linux Kernel: Exploitable vulnerability in io_uringhttp://www.openwall.com/lists/oss-security/2022/06/04/4mailing-listx_refsource_MLIST