{"id":"CVE-2022-49033","state":"PUBLISHED","title":"btrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()\n\nSyzkaller reported BUG as follows:\n\n  BUG: sleeping function called from invalid context at\n       include/linux/sched/mm.h:274\n  Call Trace:\n   <TASK>\n   dump_stack_lvl+0xcd/0x134\n   __might_resched.cold+0x222/0x26b\n   kmem_cache_alloc+0x2e7/0x3c0\n   update_qgroup_limit_item+0xe1/0x390\n   btrfs_qgroup_inherit+0x147b/0x1ee0\n   create_subvol+0x4eb/0x1710\n   btrfs_mksubvol+0xfe5/0x13f0\n   __btrfs_ioctl_snap_create+0x2b0/0x430\n   btrfs_ioctl_snap_create_v2+0x25a/0x520\n   btrfs_ioctl+0x2a1c/0x5ce0\n   __x64_sys_ioctl+0x193/0x200\n   do_syscall_64+0x35/0x80\n\nFix this by calling qgroup_dirty() on @dstqgroup, and update limit item in\nbtrfs_run_qgroups() later outside of the spinlock context.","publishedAt":"2024-10-21T20:06:36.566Z","updatedAt":"2026-05-11T18:51:54.512Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e8c8541ac379709db8d2339e1cb720469fc2cd8f","status":"affected","lessThan":"89840b12c8fad7200eb6478525c13261512c01be","versionType":"git"},{"version":"e8c8541ac379709db8d2339e1cb720469fc2cd8f","status":"affected","lessThan":"3c98e91be6aea4c7acf09da6eb0c107ea9186bb5","versionType":"git"},{"version":"e8c8541ac379709db8d2339e1cb720469fc2cd8f","status":"affected","lessThan":"f4b930a1602b05e77fee31f9616599b25e910a86","versionType":"git"},{"version":"e8c8541ac379709db8d2339e1cb720469fc2cd8f","status":"affected","lessThan":"8eb912af525042a7365295eb62f6d5270c2a6462","versionType":"git"},{"version":"e8c8541ac379709db8d2339e1cb720469fc2cd8f","status":"affected","lessThan":"01d7c41eac9129fba80d8aed0060caab4a7dbe09","versionType":"git"},{"version":"e8c8541ac379709db8d2339e1cb720469fc2cd8f","status":"affected","lessThan":"044da1a371a0da579e805e89c96865f62d8f6f69","versionType":"git"},{"version":"e8c8541ac379709db8d2339e1cb720469fc2cd8f","status":"affected","lessThan":"588ae4fdd8b11788a797776b10d6c44ae12bc133","versionType":"git"},{"version":"e8c8541ac379709db8d2339e1cb720469fc2cd8f","status":"affected","lessThan":"f7e942b5bb35d8e3af54053d19a6bf04143a3955","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/btrfs/qgroup.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.1","versionType":"semver"},{"version":"4.9.335","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.301","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.268","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.226","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.158","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.82","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.12","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/btrfs/qgroup.c"]}],"references":["https://git.kernel.org/stable/c/89840b12c8fad7200eb6478525c13261512c01be","https://git.kernel.org/stable/c/3c98e91be6aea4c7acf09da6eb0c107ea9186bb5","https://git.kernel.org/stable/c/f4b930a1602b05e77fee31f9616599b25e910a86","https://git.kernel.org/stable/c/8eb912af525042a7365295eb62f6d5270c2a6462","https://git.kernel.org/stable/c/01d7c41eac9129fba80d8aed0060caab4a7dbe09","https://git.kernel.org/stable/c/044da1a371a0da579e805e89c96865f62d8f6f69","https://git.kernel.org/stable/c/588ae4fdd8b11788a797776b10d6c44ae12bc133","https://git.kernel.org/stable/c/f7e942b5bb35d8e3af54053d19a6bf04143a3955"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49033.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49033","state":"PUBLISHED","datePublished":"2024-10-21T20:06:36.566Z","dateUpdated":"2026-05-11T18:51:54.512Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-08-22T01:27:53.653Z"},"containers":{"cna":{"title":"btrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()\n\nSyzkaller reported BUG as follows:\n\n  BUG: sleeping function called from invalid context at\n       include/linux/sched/mm.h:274\n  Call Trace:\n   <TASK>\n   dump_stack_lvl+0xcd/0x134\n   __might_resched.cold+0x222/0x26b\n   kmem_cache_alloc+0x2e7/0x3c0\n   update_qgroup_limit_item+0xe1/0x390\n   btrfs_qgroup_inherit+0x147b/0x1ee0\n   create_subvol+0x4eb/0x1710\n   btrfs_mksubvol+0xfe5/0x13f0\n   __btrfs_ioctl_snap_create+0x2b0/0x430\n   btrfs_ioctl_snap_create_v2+0x25a/0x520\n   btrfs_ioctl+0x2a1c/0x5ce0\n   __x64_sys_ioctl+0x193/0x200\n   do_syscall_64+0x35/0x80\n\nFix this by calling qgroup_dirty() on @dstqgroup, and update limit item in\nbtrfs_run_qgroups() later outside of the spinlock context."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e8c8541ac379709db8d2339e1cb720469fc2cd8f","status":"affected","lessThan":"89840b12c8fad7200eb6478525c13261512c01be","versionType":"git"},{"version":"e8c8541ac379709db8d2339e1cb720469fc2cd8f","status":"affected","lessThan":"3c98e91be6aea4c7acf09da6eb0c107ea9186bb5","versionType":"git"},{"version":"e8c8541ac379709db8d2339e1cb720469fc2cd8f","status":"affected","lessThan":"f4b930a1602b05e77fee31f9616599b25e910a86","versionType":"git"},{"version":"e8c8541ac379709db8d2339e1cb720469fc2cd8f","status":"affected","lessThan":"8eb912af525042a7365295eb62f6d5270c2a6462","versionType":"git"},{"version":"e8c8541ac379709db8d2339e1cb720469fc2cd8f","status":"affected","lessThan":"01d7c41eac9129fba80d8aed0060caab4a7dbe09","versionType":"git"},{"version":"e8c8541ac379709db8d2339e1cb720469fc2cd8f","status":"affected","lessThan":"044da1a371a0da579e805e89c96865f62d8f6f69","versionType":"git"},{"version":"e8c8541ac379709db8d2339e1cb720469fc2cd8f","status":"affected","lessThan":"588ae4fdd8b11788a797776b10d6c44ae12bc133","versionType":"git"},{"version":"e8c8541ac379709db8d2339e1cb720469fc2cd8f","status":"affected","lessThan":"f7e942b5bb35d8e3af54053d19a6bf04143a3955","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/btrfs/qgroup.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.1","versionType":"semver"},{"version":"4.9.335","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.301","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.268","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.226","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.158","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.82","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.12","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/btrfs/qgroup.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/89840b12c8fad7200eb6478525c13261512c01be"},{"url":"https://git.kernel.org/stable/c/3c98e91be6aea4c7acf09da6eb0c107ea9186bb5"},{"url":"https://git.kernel.org/stable/c/f4b930a1602b05e77fee31f9616599b25e910a86"},{"url":"https://git.kernel.org/stable/c/8eb912af525042a7365295eb62f6d5270c2a6462"},{"url":"https://git.kernel.org/stable/c/01d7c41eac9129fba80d8aed0060caab4a7dbe09"},{"url":"https://git.kernel.org/stable/c/044da1a371a0da579e805e89c96865f62d8f6f69"},{"url":"https://git.kernel.org/stable/c/588ae4fdd8b11788a797776b10d6c44ae12bc133"},{"url":"https://git.kernel.org/stable/c/f7e942b5bb35d8e3af54053d19a6bf04143a3955"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T18:51:54.512Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"4.9.335"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"4.14.301"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"4.19.268"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"5.4.226"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"5.10.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"5.15.82"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"6.0.12"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"6.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2022-49033","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-10-22T13:10:58.830375Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-10-22T13:18:35.433Z"}}]}}}