{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-50379", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-09-17T14:53:06.996Z", "datePublished": "2025-09-18T13:33:01.502Z", "dateUpdated": "2025-09-18T13:33:01.502Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-09-18T13:33:01.502Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix race between quota enable and quota rescan ioctl\n\nWhen enabling quotas, at btrfs_quota_enable(), after committing the\ntransaction, we change fs_info->quota_root to point to the quota root we\ncreated and set BTRFS_FS_QUOTA_ENABLED at fs_info->flags. Then we try\nto start the qgroup rescan worker, first by initializing it with a call\nto qgroup_rescan_init() - however if that fails we end up freeing the\nquota root but we leave fs_info->quota_root still pointing to it, this\ncan later result in a use-after-free somewhere else.\n\nWe have previously set the flags BTRFS_FS_QUOTA_ENABLED and\nBTRFS_QGROUP_STATUS_FLAG_ON, so we can only fail with -EINPROGRESS at\nbtrfs_quota_enable(), which is possible if someone already called the\nquota rescan ioctl, and therefore started the rescan worker.\n\nSo fix this by ignoring an -EINPROGRESS and asserting we can't get any\nother error."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/btrfs/qgroup.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "c97f6d528c3f1c83a6b792a8a7928c236c80b8fe", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "26b7c0ac49a3eea15559c9d84863736a6d1164b4", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "47b5ffe86332af95f0f52be0a63d4da7c2b37b55", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "4b996a3014ef014af8f97b60c35f5289210a4720", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "0efd9dfc00d677a1d0929319a6103cb2dfc41c22", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "6c22f86dd221eba0c7af645b1af73dcbc04ee27b", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "331cd9461412e103d07595a10289de90004ac890", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/btrfs/qgroup.c"], "versions": [{"version": "4.19.262", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.220", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.150", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.75", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19.17", "lessThanOrEqual": "5.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.3", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "4.19.262"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.4.220"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.10.150"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.15.75"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.19.17"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.0.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/c97f6d528c3f1c83a6b792a8a7928c236c80b8fe"}, {"url": "https://git.kernel.org/stable/c/26b7c0ac49a3eea15559c9d84863736a6d1164b4"}, {"url": "https://git.kernel.org/stable/c/47b5ffe86332af95f0f52be0a63d4da7c2b37b55"}, {"url": "https://git.kernel.org/stable/c/4b996a3014ef014af8f97b60c35f5289210a4720"}, {"url": "https://git.kernel.org/stable/c/0efd9dfc00d677a1d0929319a6103cb2dfc41c22"}, {"url": "https://git.kernel.org/stable/c/6c22f86dd221eba0c7af645b1af73dcbc04ee27b"}, {"url": "https://git.kernel.org/stable/c/331cd9461412e103d07595a10289de90004ac890"}], "title": "btrfs: fix race between quota enable and quota rescan ioctl", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix race between quota enable and quota rescan ioctl\n\nWhen enabling quotas, at btrfs_quota_enable(), after committing the\ntransaction, we change fs_info->quota_root to point to the quota root we\ncreated and set BTRFS_FS_QUOTA_ENABLED at fs_info->flags. Then we try\nto start the qgroup rescan worker, first by initializing it with a call\nto qgroup_rescan_init() - however if that fails we end up freeing the\nquota root but we leave fs_info->quota_root still pointing to it, this\ncan later result in a use-after-free somewhere else.\n\nWe have previously set the flags BTRFS_FS_QUOTA_ENABLED and\nBTRFS_QGROUP_STATUS_FLAG_ON, so we can only fail with -EINPROGRESS at\nbtrfs_quota_enable(), which is possible if someone already called the\nquota rescan ioctl, and therefore started the rescan worker.\n\nSo fix this by ignoring an -EINPROGRESS and asserting we can't get any\nother error."}], "id": "CVE-2022-50379", "lastModified": "2025-09-19T16:00:46.437", "metrics": {}, "published": "2025-09-18T14:15:36.630", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0efd9dfc00d677a1d0929319a6103cb2dfc41c22"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/26b7c0ac49a3eea15559c9d84863736a6d1164b4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/331cd9461412e103d07595a10289de90004ac890"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/47b5ffe86332af95f0f52be0a63d4da7c2b37b55"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4b996a3014ef014af8f97b60c35f5289210a4720"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6c22f86dd221eba0c7af645b1af73dcbc04ee27b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c97f6d528c3f1c83a6b792a8a7928c236c80b8fe"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: btrfs: fix race between quota enable and quota rescan ioctl", "id": "2396384", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2396384"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2022-50379", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-09-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50379\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50379\nhttps://lore.kernel.org/linux-cve-announce/2025091851-CVE-2022-50379-a7c6@gregkh/T"], "threat_severity": "Low"}