CVE-2024-50080

ublk: don't allow user copy for unprivileged device

Description

In the Linux kernel, the following vulnerability has been resolved: ublk: don't allow user copy for unprivileged device UBLK_F_USER_COPY requires userspace to call write() on ublk char device for filling request buffer, and unprivileged device can't be trusted. So don't allow user copy for unprivileged device.

5.5

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.03%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/6414ab5c9c9c068eca6dc4fd3a036bc4b83164dc	patch
https://git.kernel.org/stable/c/8f3d5686a2409877c5e8e2540774d24ed2b4a4ce	patch
https://git.kernel.org/stable/c/42aafd8b48adac1c3b20fe5892b1b91b80c1a1e6	patch

Frequently Asked Questions

What is the severity of CVE-2024-50080?: CVE-2024-50080 has been scored as a medium severity vulnerability.
How to fix CVE-2024-50080?: To fix CVE-2024-50080, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-50080 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2024-50080 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-50080?: CVE-2024-50080 affects Linux Linux, Linux Linux.

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