{"cve":{"cve_id":"CVE-2026-53311","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\nfuse: fix uninit-value in fuse_dentry_revalidate()\n\nfuse_dentry_revalidate() may be called with a dentry that didn't had\n->d_time initialised.  The issue was found with KMSAN, where lookup_open()\ncalls __d_alloc(), followed by d_revalidate(), as shown below:\n\n=====================================================\nBUG: KMSAN: uninit-value in fuse_dentry_revalidate+0x150/0x13d0 fs/fuse/dir.c:394\n fuse_dentry_revalidate+0x150/0x13d0 fs/fuse/dir.c:394\n d_revalidate fs/namei.c:1030 [inline]\n lookup_open fs/namei.c:4405 [inline]\n open_last_lookups fs/namei.c:4583 [inline]\n path_openat+0x1614/0x64c0 fs/namei.c:4827\n do_file_open+0x2aa/0x680 fs/namei.c:4859\n[...]\n\nUninit was created at:\n slab_post_alloc_hook mm/slub.c:4466 [inline]\n slab_alloc_node mm/slub.c:4788 [inline]\n kmem_cache_alloc_lru_noprof+0x382/0x1280 mm/slub.c:4807\n __d_alloc+0x55/0xa00 fs/dcache.c:1740\n d_alloc_parallel+0x99/0x2740 fs/dcache.c:2604\n lookup_open fs/namei.c:4398 [inline]\n open_last_lookups fs/namei.c:4583 [inline]\n path_openat+0x135f/0x64c0 fs/namei.c:4827\n do_file_open+0x2aa/0x680 fs/namei.c:4859\n[...]\n=====================================================","published_at":"2026-06-26T19:41:04.890000Z","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/da3d241c5b925f17a9d8051d7a9e0d454d8e01f6","https://git.kernel.org/stable/c/3ac9117ba3deab8a5dd22847355f861686f4bee7","https://git.kernel.org/stable/c/5a6baf204610589f8a5b5a1cd69d1fe661d9d3cd"],"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":"2026-06-28T23:30:52.348775Z"},"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":"2396356a945bb022aff02656f59c2a45d457043f","version_start_inclusive":true,"version_end":"da3d241c5b925f17a9d8051d7a9e0d454d8e01f6","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:2396356a945bb022aff02656f59c2a45d457043f:da3d241c5b925f17a9d8051d7a9e0d454d8e01f6"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"2396356a945bb022aff02656f59c2a45d457043f","version_start_inclusive":true,"version_end":"3ac9117ba3deab8a5dd22847355f861686f4bee7","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:2396356a945bb022aff02656f59c2a45d457043f:3ac9117ba3deab8a5dd22847355f861686f4bee7"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"2396356a945bb022aff02656f59c2a45d457043f","version_start_inclusive":true,"version_end":"5a6baf204610589f8a5b5a1cd69d1fe661d9d3cd","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:2396356a945bb022aff02656f59c2a45d457043f:5a6baf204610589f8a5b5a1cd69d1fe661d9d3cd"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.16","version_start_inclusive":true,"version_end":"6.16","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.16:6.16"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0","version_start_inclusive":true,"version_end":"6.16","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0:6.16"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.18.34","version_start_inclusive":true,"version_end":"6.18.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.18.34:6.18.*"},{"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/da3d241c5b925f17a9d8051d7a9e0d454d8e01f6","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/3ac9117ba3deab8a5dd22847355f861686f4bee7","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/5a6baf204610589f8a5b5a1cd69d1fe661d9d3cd","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-06-26T19:41:04.890000Z","label":"CVE published","source":null}]}