{"id":"CVE-2022-49833","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: zoned: clone zoned device info when cloning a device\n\nWhen cloning a btrfs_device, we're not cloning the associated\nbtrfs_zoned_device_info structure of the devi…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: zoned: clone zoned device info when cloning a device\n\nWhen cloning a btrfs_device, we're not cloning the associated\nbtrfs_zoned_device_info structure of the devi…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-476"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 5.11, < 6.0.9","linux_kernel = 6.1"],"patched":["linux_kernel 6.0.9"],"published":"2025-05-01","updated":"2026-08-15","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2022-49833","references":[{"url":"https://git.kernel.org/stable/c/21e61ec6d0bb786818490e926aa9aeb4de95ad0d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ad88cabcec942c033f980cd1e28d56ecdaf5f3b8","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd"],"epss":0.00163,"epssPercentile":0.05952,"ingestedAt":"2026-08-15T13:26:44.723Z","slug":"CVE-2022-49833","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: zoned: clone zoned device info when cloning a device\n\nWhen cloning a btrfs_device, we're not cloning the associated\nbtrfs_zoned_device_info structure of the device in case of a zoned\nfilesystem.\n\nLater on this leads to a NULL pointer dereference when accessing the\ndevice's zone_info for instance when setting a zone as active.\n\nThis was uncovered by fstests' testcase btrfs/161.\n\n## Affected\n\n- `linux_kernel >= 5.11, < 6.0.9`\n- `linux_kernel = 6.1`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.0.9`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}