CVE-2020-27784
Medium
Description
A vulnerability was found in the Linux kernel, where accessing a deallocated instance in printer_ioctl() printer_ioctl() tries to access of a printer_dev instance. However, use-after-free arises because it had been freed by gprinter_free().
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedSep 1, 2022
First seenSep 1, 2022
Weakness typeCWE-201CWE-201
How to fix
Update
- linux linux_kernel4.4.241, 4.9.241, 4.19.154, 5.4.73, 5.8.17, 5.9.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 4.1 ≤ v < 4.4.241, 4.5 ≤ v < 4.9.241, 4.10 ≤ v < 4.19.154, 4.20 ≤ v < 5.4.73, 5.5 ≤ v < 5.8.17, 5.9.0 ≤ v < 5.9.2 | 4.4.241, 4.9.241, 4.19.154, 5.4.73, 5.8.17, 5.9.2 |
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