CVE-2020-27784 — MEDIUM (5.5)

Q: How severe is CVE-2020-27784?

CVE-2020-27784 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2020-27784?

Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.

Vulnerability 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().

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Linux	Linux Kernel	>= 4.1, < 4.4.241

Related Weaknesses (CWE)

CWE-201 CWE-416

References

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e8Mailing ListPatchVendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e8Mailing ListPatchVendor Advisory

FAQ

What is CVE-2020-27784?

CVE-2020-27784 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 becau...

How severe is CVE-2020-27784?

CVE-2020-27784 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-27784?

Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.