CVE-2022-49996

btrfs: fix possible memory leak in btrfs_get_dev_args_from_path()

Description

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix possible memory leak in btrfs_get_dev_args_from_path() In btrfs_get_dev_args_from_path(), btrfs_get_bdev_and_sb() can fail if the path is invalid. In this case, btrfs_get_dev_args_from_path() returns directly without freeing args->uuid and args->fsid allocated before, which causes memory leak. To fix these possible leaks, when btrfs_get_bdev_and_sb() fails, btrfs_put_dev_args_from_path() is called to clean up the memory.

N/A

CVSS

Severity:

EPSS 0.02%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/5f52402c77013e4a826394b807dd5ea4dc83bd72
https://git.kernel.org/stable/c/4b124ad87244cd7f0883c5eaa38d2326b2154cad
https://git.kernel.org/stable/c/9ea0106a7a3d8116860712e3f17cd52ce99f6707

Frequently Asked Questions

What is the severity of CVE-2022-49996?: CVE-2022-49996 has not yet been assigned a CVSS score.
How to fix CVE-2022-49996?: To fix CVE-2022-49996, 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-2022-49996 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-49996 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-2022-49996?: CVE-2022-49996 affects Linux Linux, Linux Linux.

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