{"cve":{"cve_id":"CVE-2026-53026","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\nNFSD: fix nfs4_file access extra count in nfsd4_add_rdaccess_to_wrdeleg\n\nIn nfsd4_add_rdaccess_to_wrdeleg, if fp->fi_fds[O_RDONLY] is already\nset by another thread, __nfs4_file_get_access should not be called\nto increment the nfs4_file access count since that was already done\nby the thread that added READ access to the file. The extra fi_access\ncount in nfs4_file can prevent the corresponding nfsd_file from being\nfreed.\n\nWhen stopping nfs-server service, these extra access counts trigger a\nBUG in kmem_cache_destroy() that shows nfsd_file object remaining on\n__kmem_cache_shutdown.\n\nThis problem can be reproduced by running the Git project's test\nsuite over NFS.","published_at":"2026-06-24T16:29:34.855000Z","last_modified_at":null,"cvss_v3_score":7.5,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cvss_v3_severity":"HIGH","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/4584229395d0d65bd517780afe97ffea07cb2c3d","https://git.kernel.org/stable/c/b81572b073441dfd32213e41857676d0dbff4665","https://git.kernel.org/stable/c/b48f44f36e6607b2f818560f19deb86b4a9c717b"],"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":"2026-06-28T23:30:49.890169Z"},"effective_severity":"HIGH","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"N","value_label":"None"},{"metric":"I","name":"Integrity","value":"N","value_label":"None"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"c07dc84ed67c5a182273171639bacbbb87c12175","version_start_inclusive":true,"version_end":"4584229395d0d65bd517780afe97ffea07cb2c3d","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:c07dc84ed67c5a182273171639bacbbb87c12175:4584229395d0d65bd517780afe97ffea07cb2c3d"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"8072e34e1387d03102b788677d491e2bcceef6f5","version_start_inclusive":true,"version_end":"b81572b073441dfd32213e41857676d0dbff4665","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:8072e34e1387d03102b788677d491e2bcceef6f5:b81572b073441dfd32213e41857676d0dbff4665"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"8072e34e1387d03102b788677d491e2bcceef6f5","version_start_inclusive":true,"version_end":"b48f44f36e6607b2f818560f19deb86b4a9c717b","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:8072e34e1387d03102b788677d491e2bcceef6f5:b48f44f36e6607b2f818560f19deb86b4a9c717b"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.18.4","version_start_inclusive":true,"version_end":"6.18.33","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:6.18.4:6.18.33"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.19","version_start_inclusive":true,"version_end":"6.19","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.19:6.19"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0","version_start_inclusive":true,"version_end":"6.19","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0:6.19"},{"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/4584229395d0d65bd517780afe97ffea07cb2c3d","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/b81572b073441dfd32213e41857676d0dbff4665","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/b48f44f36e6607b2f818560f19deb86b4a9c717b","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-06-24T16:29:34.855000Z","label":"CVE published","source":null}]}