CVE-2020-25669

high

Description

A vulnerability was found in the Linux Kernel where the function sunkbd_reinit having been scheduled by sunkbd_interrupt before sunkbd being freed. Though the dangling pointer is set to NULL in sunkbd_disconnect, there is still an alias in sunkbd_reinit causing Use After Free.

References

Advisories
More

https://security.netapp.com/advisory/ntap-20210702-0006/

https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html

https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html

https://github.com/torvalds/linux/commit/77e70d351db7de07a46ac49b87a6c3c7a60fca7e

https://www.openwall.com/lists/oss-security/2020/11/20/5%2C

https://www.openwall.com/lists/oss-security/2020/11/05/2%2C

http://www.openwall.com/lists/oss-security/2020/11/20/5

http://www.openwall.com/lists/oss-security/2020/11/05/2

Details

Source: Mitre, NVD

Published: 2021-05-26

Updated: 2023-11-07

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00065