CVE-2021-32399

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

0.69% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 50.2% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:L/AC:H/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

2021-05-10 21:19Z5 YR AGO

Last updated

2024-08-03 23:17Z2 YR AGO

Reserved

2021-05-07

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class

Data version

5.1

Document digest

a7e91cb1971988e07700879dc50528293154d1a77027349cbac8df4049f52e66

• github.comhttps://github.com/torvalds/linux/commit/e2cb6b891ad2b8caa9131e3be70f45243df82a80x_refsource_MISC
• git.kernel.orghttps://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e2cb6b891ad2b8caa9131e3be70f45243df82a80x_refsource_MISC
• www.openwall.com[oss-security] 20210511 CVE-2021-32399 Linux device detach race conditionhttp://www.openwall.com/lists/oss-security/2021/05/11/2mailing-listx_refsource_MLIST
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20210622-0006/x_refsource_CONFIRM
• lists.debian.org[debian-lts-announce] 20210623 [SECURITY] [DLA 2689-1] linux security updatehttps://lists.debian.org/debian-lts-announce/2021/06/msg00020.htmlmailing-listx_refsource_MLIST
• lists.debian.org[debian-lts-announce] 20210623 [SECURITY] [DLA 2690-1] linux-4.19 security updatehttps://lists.debian.org/debian-lts-announce/2021/06/msg00019.htmlmailing-listx_refsource_MLIST