{"cve":{"cve_id":"CVE-2026-53303","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\nf2fs: protect extension_list reading with sb_lock in f2fs_sbi_show()\n\nIn f2fs_sbi_show(), the extension_list, extension_count and\nhot_ext_count are read without holding sbi->sb_lock. If a concurrent\nsysfs store modifies the extension list via f2fs_update_extension_list(),\nthe show path may read inconsistent count and array contents, potentially\nleading to out-of-bounds access or displaying stale data.\n\nFix this by holding sb_lock around the entire extension list read\nand format operation.","published_at":"2026-06-26T19:40:59.383000Z","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/d3ff0c121bbaef026df6248ab7ef6f0b068b0647","https://git.kernel.org/stable/c/cea15f66b7b68b2c50943a6660e0692c6635e4eb","https://git.kernel.org/stable/c/4b3a1bf4c2ffd4c9595d900ead78c9035894a025","https://git.kernel.org/stable/c/d0e877810baf613b018fd9747440b9d4d9db1428","https://git.kernel.org/stable/c/ea3ab43a1f3cf2c7cecd75c8be1ee99a5e94a92e","https://git.kernel.org/stable/c/5909bedbed38c558bee7cb6758ceedf9bc3a9194"],"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":"b6a06cbbb5f7fd03589cff9178314af04c568826","version_start_inclusive":true,"version_end":"d3ff0c121bbaef026df6248ab7ef6f0b068b0647","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:b6a06cbbb5f7fd03589cff9178314af04c568826:d3ff0c121bbaef026df6248ab7ef6f0b068b0647"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"b6a06cbbb5f7fd03589cff9178314af04c568826","version_start_inclusive":true,"version_end":"cea15f66b7b68b2c50943a6660e0692c6635e4eb","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:b6a06cbbb5f7fd03589cff9178314af04c568826:cea15f66b7b68b2c50943a6660e0692c6635e4eb"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"b6a06cbbb5f7fd03589cff9178314af04c568826","version_start_inclusive":true,"version_end":"4b3a1bf4c2ffd4c9595d900ead78c9035894a025","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:b6a06cbbb5f7fd03589cff9178314af04c568826:4b3a1bf4c2ffd4c9595d900ead78c9035894a025"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"b6a06cbbb5f7fd03589cff9178314af04c568826","version_start_inclusive":true,"version_end":"d0e877810baf613b018fd9747440b9d4d9db1428","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:b6a06cbbb5f7fd03589cff9178314af04c568826:d0e877810baf613b018fd9747440b9d4d9db1428"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"b6a06cbbb5f7fd03589cff9178314af04c568826","version_start_inclusive":true,"version_end":"ea3ab43a1f3cf2c7cecd75c8be1ee99a5e94a92e","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:b6a06cbbb5f7fd03589cff9178314af04c568826:ea3ab43a1f3cf2c7cecd75c8be1ee99a5e94a92e"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"b6a06cbbb5f7fd03589cff9178314af04c568826","version_start_inclusive":true,"version_end":"5909bedbed38c558bee7cb6758ceedf9bc3a9194","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:b6a06cbbb5f7fd03589cff9178314af04c568826:5909bedbed38c558bee7cb6758ceedf9bc3a9194"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"4.17","version_start_inclusive":true,"version_end":"4.17","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:4.17:4.17"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0","version_start_inclusive":true,"version_end":"4.17","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0:4.17"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.1.175","version_start_inclusive":true,"version_end":"6.1.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.1.175:6.1.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.6.141","version_start_inclusive":true,"version_end":"6.6.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.6.141:6.6.*"},{"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/d3ff0c121bbaef026df6248ab7ef6f0b068b0647","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/cea15f66b7b68b2c50943a6660e0692c6635e4eb","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/4b3a1bf4c2ffd4c9595d900ead78c9035894a025","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/d0e877810baf613b018fd9747440b9d4d9db1428","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/ea3ab43a1f3cf2c7cecd75c8be1ee99a5e94a92e","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/5909bedbed38c558bee7cb6758ceedf9bc3a9194","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-06-26T19:40:59.383000Z","label":"CVE published","source":null}]}