CVE-2020-25669
HIGH 7.8EPSS 0.6%
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.
- Affected
- Linux Kernel
- CVSS v3.1 NVD
- 7.8 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS v2.0 NVD
- 7.2 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C - EPSS
- 0.63% chance of exploitation in the next 30 days, 49th 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
Security advisories
- torvalds/linux/commit/77e70d351db7de07a46ac49b87a6c3c7a60fca7e
- https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html
- https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html
- https://security.netapp.com/advisory/ntap-20210702-0006