CVE-2020-25669

EPSS 0.6%CWE-416

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.6%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

26 May 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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 products

n/a · Linux Kernel

References

https://github.com/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/https://www.openwall.com/lists/oss-security/2020/11/05/2%2C https://www.openwall.com/lists/oss-security/2020/11/20/5%2C http://www.openwall.com/lists/oss-security/2020/11/05/2 http://www.openwall.com/lists/oss-security/2020/11/20/5