Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 4.4.245 |
| Debian | Debian Linux | 9.0 |
| Netapp | Cloud Backup | - |
| Netapp | Solidfire \& Hci Management Node | - |
| Netapp | Solidfire Baseboard Management Controller | - |
| Netapp | H300S Firmware | - |
| Netapp | H300S | - |
| Netapp | H500S Firmware | - |
| Netapp | H500S | - |
| Netapp | H700S Firmware | - |
| Netapp | H700S | - |
| Netapp | H300E Firmware | - |
| Netapp | H300E | - |
| Netapp | H500E Firmware | - |
| Netapp | H500E | - |
| Netapp | H700E Firmware | - |
| Netapp | H700E | - |
| Netapp | H410S Firmware | - |
| Netapp | H410S | - |
| Netapp | H410C Firmware | - |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2020/11/05/2ExploitMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2020/11/20/5ExploitMailing ListThird Party Advisory
- https://github.com/torvalds/linux/commit/77e70d351db7de07a46ac49b87a6c3c7a60fca7PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00015.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00027.htmlMailing ListThird Party Advisory
- https://security.netapp.com/advisory/ntap-20210702-0006/Third Party Advisory
- 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/2020/11/05/2ExploitMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2020/11/20/5ExploitMailing ListThird Party Advisory
- https://github.com/torvalds/linux/commit/77e70d351db7de07a46ac49b87a6c3c7a60fca7PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00015.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00027.htmlMailing ListThird Party Advisory
- https://security.netapp.com/advisory/ntap-20210702-0006/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/11/05/2%2C
FAQ
What is CVE-2020-25669?
CVE-2020-25669 is a vulnerability with a CVSS score of 7.8 (HIGH). 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...
How severe is CVE-2020-25669?
CVE-2020-25669 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-25669?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux, Netapp Cloud Backup, Netapp Solidfire \& Hci Management Node, Netapp Solidfire Baseboard Management Controller.