{"affected":[{"defaultStatus":"unaffected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"lessThan":"2bdc80f4619411e5bd4a3ef23f51e14021ed457c","status":"affected","version":"22c06bf1f99ec3ec16b1a81342becba4c59a1f16","versionType":"git"},{"lessThan":"f9438cb8c8ec3adc84b2b450a3aab0123d074c3b","status":"affected","version":"56e96b38d2f7cd95b3c30eb70decac7233915e0a","versionType":"git"},{"lessThan":"ac8a2e0d287ebf35e5d7e51e260b4e146648ba4a","status":"affected","version":"12a820a9923c11e8e898da9f82c8aded70cdcd16","versionType":"git"},{"lessThan":"6678dde265708003c2b42551af4a2e3cb05decd5","status":"affected","version":"869b6ea1609f655a43251bf41757aa44e5350a8f","versionType":"git"},{"lessThan":"61e25f664dc2a08299e07d84c85776abc2350f75","status":"affected","version":"869b6ea1609f655a43251bf41757aa44e5350a8f","versionType":"git"},{"lessThan":"fdd424d7c35633ac577fd87d1b043d1b8a6cd350","status":"affected","version":"869b6ea1609f655a43251bf41757aa44e5350a8f","versionType":"git"},{"lessThan":"82cbdb4c1ebb5ea7d7bd45c18d3483b5bd32ebc1","status":"affected","version":"869b6ea1609f655a43251bf41757aa44e5350a8f","versionType":"git"},{"lessThan":"e93ab401da4b2e2c1b8ef2424de2f238d51c8b2d","status":"affected","version":"869b6ea1609f655a43251bf41757aa44e5350a8f","versionType":"git"},{"status":"affected","version":"bb7e3a019b52d829949d02b64ebab37838148fbf","versionType":"git"},{"status":"affected","version":"061a18239ced5eb086967a2b4451cb1cc5ce0702","versionType":"git"},{"status":"affected","version":"2a1ddddba6541143c8f73962f3021f1789114284","versionType":"git"},{"lessThan":"5.10.258","status":"affected","version":"5.10.199","versionType":"semver"},{"lessThan":"5.15.209","status":"affected","version":"5.15.136","versionType":"semver"},{"lessThan":"6.1.175","status":"affected","version":"6.1.59","versionType":"semver"},{"lessThan":"4.20","status":"affected","version":"4.19.297","versionType":"semver"},{"lessThan":"5.5","status":"affected","version":"5.4.259","versionType":"semver"},{"lessThan":"6.6","status":"affected","version":"6.5.8","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"status":"affected","version":"6.6"},{"lessThan":"6.6","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.141","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.91","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.7","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0)","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0)","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.7","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0)","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0)","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.7","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0)","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0)","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.7","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0)","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0)","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.7","versionType":"custom"}]}],"cveId":"CVE-2026-53050","cwes":[],"description":"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.","epss":{"date":"2026-11-09","percentile":0.01035,"score":0.00104},"exploits":[],"kev":null,"metrics":[{"score":7.8,"severity":"high","source":"CNA: Linux","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}],"modifiedAt":1794314887691,"publishedAt":1782318596043,"references":[{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/2bdc80f4619411e5bd4a3ef23f51e14021ed457c"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/f9438cb8c8ec3adc84b2b450a3aab0123d074c3b"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/ac8a2e0d287ebf35e5d7e51e260b4e146648ba4a"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/6678dde265708003c2b42551af4a2e3cb05decd5"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/61e25f664dc2a08299e07d84c85776abc2350f75"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/fdd424d7c35633ac577fd87d1b043d1b8a6cd350"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/82cbdb4c1ebb5ea7d7bd45c18d3483b5bd32ebc1"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/e93ab401da4b2e2c1b8ef2424de2f238d51c8b2d"},{"source":"ADP: siemens-SADP","tags":[],"url":"https://cert-portal.siemens.com/productcert/html/ssa-019113.html"},{"source":"ADP: siemens-SADP","tags":[],"url":"https://cert-portal.siemens.com/productcert/html/ssa-457936.html"}],"remediation":[],"revision":"04de7f4056c2bb62a86931241eceffc334e4cca7b7deb4d47b0644517537b79f","sources":[{"modifiedAt":1794314887691,"name":"CNA: Linux","retrievedAt":1794316683546,"url":"https://www.cve.org/CVERecord?id=CVE-2026-53050"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794316713718,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-53050"}],"ssvc":null,"status":"published","title":"quota: Fix race of dquot_scan_active() with quota deactivation","updatedAt":1794316713718}