CVE-2020-27784
Last modified
CVE-2020-27784 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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().. EPSS estimates a 0.22% chance of exploitation in the next 30 days.
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().
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| 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 |
References
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e8d5f92b8d30bb4ade76494490c3c065e12411b1Mailing List, Patch, Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e8d5f92b8d30bb4ade76494490c3c065e12411b1Mailing List, Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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