{"cve":{"cve_id":"CVE-2026-53129","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":null,"epss_percentile":null,"epss_as_of":null,"description":"In the Linux kernel, the following vulnerability has been resolved:\n\nfs/mbcache: cancel shrink work before destroying the cache\n\nmb_cache_destroy() calls shrinker_free() and then frees all cache\nentries and the cache itself, but it does not cancel the pending\nc_shrink_work work item first.\n\nIf mb_cache_entry_create() schedules c_shrink_work via schedule_work()\nand the work item is still pending or running when mb_cache_destroy()\nruns, mb_cache_shrink_worker() will access the cache after its memory\nhas been freed, causing a use-after-free.\n\nThis is only reachable by a privileged user (root or CAP_SYS_ADMIN)\nwho can trigger the last put of a mounted ext2/ext4/ocfs2 filesystem.\n\nCancel the work item with cancel_work_sync() before calling\nshrinker_free(), ensuring the worker has finished and will not be\nrescheduled before the cache is torn down.","published_at":"2026-06-24T16:30:56.562000Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":null,"nvd_references":["https://git.kernel.org/stable/c/a88d39a74a208e197c03bffaa2df34de732af19f","https://git.kernel.org/stable/c/0e4eff315d799f5842b95872199b0f0fb8ef5f51","https://git.kernel.org/stable/c/b25fd3523bef88fb7ffd4c5b63bbe9c08f73bb4c","https://git.kernel.org/stable/c/d227786ab1119669df4dc333a61510c52047cce4"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-28T17:55:28.590503Z","updated_at":"2026-06-28T23:30:50.753831Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"c2f3140fe2eceb3a6c1615b2648b9471544881c6","version_start_inclusive":true,"version_end":"a88d39a74a208e197c03bffaa2df34de732af19f","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:c2f3140fe2eceb3a6c1615b2648b9471544881c6:a88d39a74a208e197c03bffaa2df34de732af19f"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"c2f3140fe2eceb3a6c1615b2648b9471544881c6","version_start_inclusive":true,"version_end":"0e4eff315d799f5842b95872199b0f0fb8ef5f51","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:c2f3140fe2eceb3a6c1615b2648b9471544881c6:0e4eff315d799f5842b95872199b0f0fb8ef5f51"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"c2f3140fe2eceb3a6c1615b2648b9471544881c6","version_start_inclusive":true,"version_end":"b25fd3523bef88fb7ffd4c5b63bbe9c08f73bb4c","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:c2f3140fe2eceb3a6c1615b2648b9471544881c6:b25fd3523bef88fb7ffd4c5b63bbe9c08f73bb4c"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"c2f3140fe2eceb3a6c1615b2648b9471544881c6","version_start_inclusive":true,"version_end":"d227786ab1119669df4dc333a61510c52047cce4","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:c2f3140fe2eceb3a6c1615b2648b9471544881c6:d227786ab1119669df4dc333a61510c52047cce4"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"4.6","version_start_inclusive":true,"version_end":"4.6","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:4.6:4.6"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0","version_start_inclusive":true,"version_end":"4.6","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0:4.6"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.12.91","version_start_inclusive":true,"version_end":"6.12.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.12.91:6.12.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.18.33","version_start_inclusive":true,"version_end":"6.18.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.18.33:6.18.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"7.0.10","version_start_inclusive":true,"version_end":"7.0.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:7.0.10:7.0.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"7.1","version_start_inclusive":true,"version_end":"*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:7.1:*"}],"exploit_refs":[],"news":[],"references":[{"url":"https://git.kernel.org/stable/c/a88d39a74a208e197c03bffaa2df34de732af19f","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/0e4eff315d799f5842b95872199b0f0fb8ef5f51","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/b25fd3523bef88fb7ffd4c5b63bbe9c08f73bb4c","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/d227786ab1119669df4dc333a61510c52047cce4","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-06-24T16:30:56.562000Z","label":"CVE published","source":null}]}