CVE-2020-25669

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.

CVSS v3.1

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS

0.63% chance of exploitation in the next 30 days, 48th percentile

Published

2021-05-26

Updated

2024-08-04

Proof-of-concept exploits (2)

• http://www.openwall.com/lists/oss-security/2020/11/05/2
• http://www.openwall.com/lists/oss-security/2020/11/20/5

References

• CVE Record
• NVD entry

Related

• CVE-2020-25668
• CVE-2020-25684
• CVE-2020-25663
• CVE-2020-25685
• CVE-2020-25656
• CVE-2020-25686