CVE-2022-49833

btrfs: zoned: clone zoned device info when cloning a device

Description

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: clone zoned device info when cloning a device When cloning a btrfs_device, we're not cloning the associated btrfs_zoned_device_info structure of the device in case of a zoned filesystem. Later on this leads to a NULL pointer dereference when accessing the device's zone_info for instance when setting a zone as active. This was uncovered by fstests' testcase btrfs/161.

N/A

CVSS

Severity:

EPSS 0.02%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/ad88cabcec942c033f980cd1e28d56ecdaf5f3b8
https://git.kernel.org/stable/c/21e61ec6d0bb786818490e926aa9aeb4de95ad0d

Frequently Asked Questions

What is the severity of CVE-2022-49833?: CVE-2022-49833 has not yet been assigned a CVSS score.
How to fix CVE-2022-49833?: To fix CVE-2022-49833, 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-2022-49833 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-49833 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-2022-49833?: CVE-2022-49833 affects Linux Linux, Linux Linux.

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