CVE-2020-25669
High
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedMay 26, 2021
First seenMay 26, 2021
Weakness typeCWE-416Use after free
How to fix
Update
- linux linux_kernel4.4.245, 4.9.245, 4.14.208, 4.19.159, 5.4.79, 5.9.10 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 4.4.245, 4.5 ≤ v < 4.9.245, 4.10 ≤ v < 4.14.208, 4.15 ≤ v < 4.19.159, 4.20 ≤ v < 5.4.79, 5.5 ≤ v < 5.9.10 | 4.4.245, 4.9.245, 4.14.208, 4.19.159, 5.4.79, 5.9.10 |
| debian debian_linux | 9.0 | — |
| netapp cloud_backup | No range specified | — |
| netapp solidfire_\&_hci_management_node | No range specified | — |
| netapp solidfire_baseboard_management_controller | No range specified | — |
| netapp h300s_firmware | No range specified | — |
| netapp h500s_firmware | No range specified | — |
| netapp h700s_firmware | No range specified | — |
| netapp h300e_firmware | No range specified | — |
| netapp h500e_firmware | No range specified | — |
| netapp h700e_firmware | No range specified | — |
| netapp h410s_firmware | No range specified | — |
| netapp h410c_firmware | No range specified | — |
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