CVE-2020-27784: Use After Free
First published: Thu Sep 01 2022(Updated: )
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().
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=4.1<4.4.241 | |
| Linux Linux kernel | >=4.5<4.9.241 | |
| Linux Linux kernel | >=4.10<4.19.154 | |
| Linux Linux kernel | >=4.20<5.4.73 | |
| Linux Linux kernel | >=5.5<5.8.17 | |
| Linux Linux kernel | >=5.9.0<5.9.2 |
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- version/linux linux kernel/5.9.0