CVE-2020-25669

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

0.62% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 49.9% 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

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

2021-05-26 11:25Z5 YR AGO

Last updated

2024-08-04 15:40Z2 YR AGO

Reserved

2020-09-16

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-416Use After FreeVariant

Data version

5.1

Document digest

d020b98dbd58c886380681055d3afa54f2313739b6a76c010b7fdb6d4ab8d001

• www.openwall.com[oss-security] 20201105 CVE-2020-25669: Linux Kernel use-after-free in sunkbd_reinithttp://www.openwall.com/lists/oss-security/2020/11/05/2mailing-listx_refsource_MLIST
• www.openwall.com[oss-security] 20201120 Re: CVE-2020-25669: Linux Kernel use-after-free in sunkbd_reinithttp://www.openwall.com/lists/oss-security/2020/11/20/5mailing-listx_refsource_MLIST
• lists.debian.org[debian-lts-announce] 20201210 [SECURITY] [DLA 2483-1] linux-4.19 security updatehttps://lists.debian.org/debian-lts-announce/2020/12/msg00015.htmlmailing-listx_refsource_MLIST
• lists.debian.org[debian-lts-announce] 20201218 [SECURITY] [DLA 2494-1] linux security updatehttps://lists.debian.org/debian-lts-announce/2020/12/msg00027.htmlmailing-listx_refsource_MLIST
• www.openwall.comhttps://www.openwall.com/lists/oss-security/2020/11/05/2%2Cx_refsource_MISC
• www.openwall.comhttps://www.openwall.com/lists/oss-security/2020/11/20/5%2Cx_refsource_MISC
• github.comhttps://github.com/torvalds/linux/commit/77e70d351db7de07a46ac49b87a6c3c7a60fca7ex_refsource_MISC
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20210702-0006/x_refsource_CONFIRM