{"id":"DEBIAN-CVE-2022-49033","details":"In the Linux kernel, the following vulnerability has been resolved:  btrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()  Syzkaller reported BUG as follows:    BUG: sleeping function called from invalid context at        include/linux/sched/mm.h:274   Call Trace:    \u003cTASK\u003e    dump_stack_lvl+0xcd/0x134    __might_resched.cold+0x222/0x26b    kmem_cache_alloc+0x2e7/0x3c0    update_qgroup_limit_item+0xe1/0x390    btrfs_qgroup_inherit+0x147b/0x1ee0    create_subvol+0x4eb/0x1710    btrfs_mksubvol+0xfe5/0x13f0    __btrfs_ioctl_snap_create+0x2b0/0x430    btrfs_ioctl_snap_create_v2+0x25a/0x520    btrfs_ioctl+0x2a1c/0x5ce0    __x64_sys_ioctl+0x193/0x200    do_syscall_64+0x35/0x80  Fix this by calling qgroup_dirty() on @dstqgroup, and update limit item in btrfs_run_qgroups() later outside of the spinlock context.","modified":"2026-09-01T20:04:51.872547977Z","published":"2024-10-21T20:15:13.943Z","upstream":["CVE-2022-49033"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2022-49033"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.12-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49033.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.12-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49033.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.12-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49033.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}