Vulnerability Description
The vgacon subsystem in the Linux kernel before 5.8.10 mishandles software scrollback. There is a vgacon_scrolldelta out-of-bounds read, aka CID-973c096f6a85.
CVSS Score
5.9
MEDIUM
CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 5.8.10 |
| Netapp | Cloud Backup | - |
| Netapp | H410C Firmware | - |
| Netapp | H410C | - |
| 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 | - |
Related Weaknesses (CWE)
References
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.10PatchVendor Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=973c0PatchVendor Advisory
- https://github.com/torvalds/linux/commit/973c096f6a85e5b5f2a295126ba6928d9a6afd4PatchThird Party Advisory
- https://seclists.org/oss-sec/2020/q3/176ExploitMailing ListPatch
- https://security.netapp.com/advisory/ntap-20210805-0001/Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.10PatchVendor Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=973c0PatchVendor Advisory
- https://github.com/torvalds/linux/commit/973c096f6a85e5b5f2a295126ba6928d9a6afd4PatchThird Party Advisory
- https://seclists.org/oss-sec/2020/q3/176ExploitMailing ListPatch
- https://security.netapp.com/advisory/ntap-20210805-0001/Third Party Advisory
FAQ
What is CVE-2020-28097?
CVE-2020-28097 is a vulnerability with a CVSS score of 5.9 (MEDIUM). The vgacon subsystem in the Linux kernel before 5.8.10 mishandles software scrollback. There is a vgacon_scrolldelta out-of-bounds read, aka CID-973c096f6a85.
How severe is CVE-2020-28097?
CVE-2020-28097 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-28097?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Netapp Cloud Backup, Netapp H410C Firmware, Netapp H410C, Netapp H300S Firmware.