{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53050", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.381Z", "datePublished": "2026-06-24T16:29:56.043Z", "dateUpdated": "2026-06-28T06:38:37.088Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-28T06:38:37.088Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nquota: Fix race of dquot_scan_active() with quota deactivation\n\ndquot_scan_active() can race with quota deactivation in\nquota_release_workfn() like:\n\n CPU0 (quota_release_workfn) CPU1 (dquot_scan_active)\n ============================== ==============================\n spin_lock(&dq_list_lock);\n list_replace_init(\n &releasing_dquots, &rls_head);\n /* dquot X on rls_head,\n dq_count == 0,\n DQ_ACTIVE_B still set */\n spin_unlock(&dq_list_lock);\n synchronize_srcu(&dquot_srcu);\n spin_lock(&dq_list_lock);\n list_for_each_entry(dquot,\n &inuse_list, dq_inuse) {\n /* finds dquot X */\n dquot_active(X) -> true\n atomic_inc(&X->dq_count);\n }\n spin_unlock(&dq_list_lock);\n spin_lock(&dq_list_lock);\n dquot = list_first_entry(&rls_head);\n WARN_ON_ONCE(atomic_read(&dquot->dq_count));\n\nThe problem is not only a cosmetic one as under memory pressure the\ncaller of dquot_scan_active() can end up working on freed dquot.\n\nFix the problem by making sure the dquot is removed from releasing list\nwhen we acquire a reference to it."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/quota/dquot.c", "include/linux/quotaops.h"], "versions": [{"version": "22c06bf1f99ec3ec16b1a81342becba4c59a1f16", "lessThan": "2bdc80f4619411e5bd4a3ef23f51e14021ed457c", "status": "affected", "versionType": "git"}, {"version": "56e96b38d2f7cd95b3c30eb70decac7233915e0a", "lessThan": "f9438cb8c8ec3adc84b2b450a3aab0123d074c3b", "status": "affected", "versionType": "git"}, {"version": "12a820a9923c11e8e898da9f82c8aded70cdcd16", "lessThan": "ac8a2e0d287ebf35e5d7e51e260b4e146648ba4a", "status": "affected", "versionType": "git"}, {"version": "869b6ea1609f655a43251bf41757aa44e5350a8f", "lessThan": "6678dde265708003c2b42551af4a2e3cb05decd5", "status": "affected", "versionType": "git"}, {"version": "869b6ea1609f655a43251bf41757aa44e5350a8f", "lessThan": "61e25f664dc2a08299e07d84c85776abc2350f75", "status": "affected", "versionType": "git"}, {"version": "869b6ea1609f655a43251bf41757aa44e5350a8f", "lessThan": "fdd424d7c35633ac577fd87d1b043d1b8a6cd350", "status": "affected", "versionType": "git"}, {"version": "869b6ea1609f655a43251bf41757aa44e5350a8f", "lessThan": "82cbdb4c1ebb5ea7d7bd45c18d3483b5bd32ebc1", "status": "affected", "versionType": "git"}, {"version": "869b6ea1609f655a43251bf41757aa44e5350a8f", "lessThan": "e93ab401da4b2e2c1b8ef2424de2f238d51c8b2d", "status": "affected", "versionType": "git"}, {"version": "bb7e3a019b52d829949d02b64ebab37838148fbf", "status": "affected", "versionType": "git"}, {"version": "061a18239ced5eb086967a2b4451cb1cc5ce0702", "status": "affected", "versionType": "git"}, {"version": "2a1ddddba6541143c8f73962f3021f1789114284", "status": "affected", "versionType": "git"}, {"version": "5.10.199", "lessThan": "5.10.258", "status": "affected", "versionType": "semver"}, {"version": "5.15.136", "lessThan": "5.15.209", "status": "affected", "versionType": "semver"}, {"version": "6.1.59", "lessThan": "6.1.175", "status": "affected", "versionType": "semver"}, {"version": "4.19.297", "lessThan": "4.20", "status": "affected", "versionType": "semver"}, {"version": "5.4.259", "lessThan": "5.5", "status": "affected", "versionType": "semver"}, {"version": "6.5.8", "lessThan": "6.6", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/quota/dquot.c", "include/linux/quotaops.h"], "versions": [{"version": "6.6", "status": "affected"}, {"version": "0", "lessThan": "6.6", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.258", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.209", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.175", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.141", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.91", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.33", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.10", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10.199", "versionEndExcluding": "5.10.258"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15.136", "versionEndExcluding": "5.15.209"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1.59", "versionEndExcluding": "6.1.175"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.6.141"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.12.91"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.18.33"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "7.0.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "7.1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19.297"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4.259"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5.8"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/2bdc80f4619411e5bd4a3ef23f51e14021ed457c"}, {"url": "https://git.kernel.org/stable/c/f9438cb8c8ec3adc84b2b450a3aab0123d074c3b"}, {"url": "https://git.kernel.org/stable/c/ac8a2e0d287ebf35e5d7e51e260b4e146648ba4a"}, {"url": "https://git.kernel.org/stable/c/6678dde265708003c2b42551af4a2e3cb05decd5"}, {"url": "https://git.kernel.org/stable/c/61e25f664dc2a08299e07d84c85776abc2350f75"}, {"url": "https://git.kernel.org/stable/c/fdd424d7c35633ac577fd87d1b043d1b8a6cd350"}, {"url": "https://git.kernel.org/stable/c/82cbdb4c1ebb5ea7d7bd45c18d3483b5bd32ebc1"}, {"url": "https://git.kernel.org/stable/c/e93ab401da4b2e2c1b8ef2424de2f238d51c8b2d"}], "title": "quota: Fix race of dquot_scan_active() with quota deactivation", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{}

{"bugzilla": {"description": "kernel: quota: Fix race of dquot_scan_active() with quota deactivation", "id": "2492263", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492263"}, "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"}, "cwe": "CWE-366", "details": ["A flaw was found in the Linux kernel. A race condition exists between the dquot_scan_active() function and quota deactivation within quota_release_workfn(). This vulnerability could allow a local attacker to cause memory corruption by manipulating quota operations, potentially leading to system instability or a denial of service (DoS)."], "name": "CVE-2026-53050", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "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": "2026-06-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-53050\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53050\nhttps://lore.kernel.org/linux-cve-announce/2026062459-CVE-2026-53050-d4d4@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[22c06bf1f99ec3ec16b1a81342becba4c59a1f16,2bdc80f4619411e5bd4a3ef23f51e14021ed457c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[56e96b38d2f7cd95b3c30eb70decac7233915e0a,f9438cb8c8ec3adc84b2b450a3aab0123d074c3b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[12a820a9923c11e8e898da9f82c8aded70cdcd16,ac8a2e0d287ebf35e5d7e51e260b4e146648ba4a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[869b6ea1609f655a43251bf41757aa44e5350a8f,6678dde265708003c2b42551af4a2e3cb05decd5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[869b6ea1609f655a43251bf41757aa44e5350a8f,61e25f664dc2a08299e07d84c85776abc2350f75)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[869b6ea1609f655a43251bf41757aa44e5350a8f,fdd424d7c35633ac577fd87d1b043d1b8a6cd350)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[869b6ea1609f655a43251bf41757aa44e5350a8f,82cbdb4c1ebb5ea7d7bd45c18d3483b5bd32ebc1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[869b6ea1609f655a43251bf41757aa44e5350a8f,e93ab401da4b2e2c1b8ef2424de2f238d51c8b2d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "bb7e3a019b52d829949d02b64ebab37838148fbf"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "061a18239ced5eb086967a2b4451cb1cc5ce0702"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "2a1ddddba6541143c8f73962f3021f1789114284"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.10.199,5.10.258)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.15.136,5.15.209)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.1.59,6.1.175)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.19.297,4.20)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.4.259,5.5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.5.8,6.6)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.6"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.6)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[5.10.258,5.10.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[5.15.209,5.15.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.1.175,6.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.6.141,6.6.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.12.91,6.12.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.33,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.0.10,7.0.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-06-24T19:30:08.642793+00:00", "updated": "2026-06-28T14:45:17.266633+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}