CVE-2022-49831

Published: May 1, 2025Modified: Jun 17, 2026

5.5

Vector

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

Exploitability: 1.8 / Impact: 3.6

Source: NVD

Description

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: initialize device's zone info for seeding When performing seeding on a zoned filesystem it is necessary to initialize each zoned device's btrfs_zoned_device_info structure, otherwise mounting the filesystem will cause a NULL pointer dereference. This was uncovered by fstests' testcase btrfs/163.

Affected (6)

Products: Linux: Linux Kernel

Linux

1 product

Linux Kernel

Configuration A

6 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	Before 5.15.79
Linux Linux Kernel	From 5.16 to 6.0.9
Linux Linux Kernel	Version 6.1 rc1
Linux Linux Kernel	Version 6.1 rc2
Linux Linux Kernel	Version 6.1 rc3
Linux Linux Kernel	Version 6.1 rc4

Related CWEs

CWE-476

NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

References (3)

https://git.kernel.org/stable/c/544f38a738343d7e75f104e5e9d1ade58d8b71bd

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/91c38504e589dadbcde47b1cacdfc5b684154d44

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/a8d1b1647bf8244a5f270538e9e636e2657fffa3

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

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