CVE-2022-49831

MediumCVSS 5.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

VendorProductVersions
LinuxLinux>= 7365104236ade0bf22edd7724c8fd438b0342ee4, < 91c38504e589dadbcde47b1cacdfc5b684154d44; >= 7365104236ade0bf22edd7724c8fd438b0342ee4, < 544f38a738343d7e75f104e5e9d1ade58d8b71bd; >= 7365104236ade0bf22edd7724c8fd438b0342ee4, < a8d1b1647bf8244a5f270538e9e636e2657fffa3
LinuxLinux5.12

References

Timeline

Published
May 1, 2025
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2022-49831: Medium severity, CVSS 5.5 | Vulnix