{"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"}}}}