{"cve":{"cve_id":"CVE-2026-53238","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\nnetlabel: validate unlabeled address and mask attribute lengths\n\nnetlbl_unlabel_addrinfo_get() used the address attribute length to\ndetermine whether the attribute data could be read as an IPv4 or IPv6\naddress, but did not independently validate the corresponding mask\nattribute length.  A crafted Generic Netlink request could therefore\nprovide a valid IPv4/IPv6 address attribute with a shorter mask\nattribute, which would later be read as a full struct in_addr or\nstruct in6_addr.\n\nNLA_BINARY policy lengths are maximum lengths by default, so use\nNLA_POLICY_EXACT_LEN() for the unlabeled IPv4/IPv6 address and mask\nattributes.  This rejects short attributes during policy validation and\nalso exposes the exact length requirements through policy introspection.","published_at":"2026-06-25T08:39:34.492000Z","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/975a84fd741440853380d37465b6e226cf47254c","https://git.kernel.org/stable/c/672f0f3b8f875ffe6525a37847eafa7648c4c0c6","https://git.kernel.org/stable/c/95bda3eac0b1454c2cee98d58d9ba6dd8391e843","https://git.kernel.org/stable/c/07a18f5c90dd3d586b73242f5a5bbf0a72f2fdc6","https://git.kernel.org/stable/c/71c52da13c3737493b42d20d9f33de34e03b3156","https://git.kernel.org/stable/c/0c4bb32ad7fdc2dc6a8050f41eb04d4bda56b6c8","https://git.kernel.org/stable/c/ccfe292a966079c61ea68a2da303b2a336170993","https://git.kernel.org/stable/c/9772589b57e44aedc240211c5c3f7a684a034d3a"],"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":"2026-06-28T23:30:51.545322Z"},"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":"8cc44579d1bd77ba3a32f2cb76fd9669c229c5fd","version_start_inclusive":true,"version_end":"975a84fd741440853380d37465b6e226cf47254c","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:8cc44579d1bd77ba3a32f2cb76fd9669c229c5fd:975a84fd741440853380d37465b6e226cf47254c"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"8cc44579d1bd77ba3a32f2cb76fd9669c229c5fd","version_start_inclusive":true,"version_end":"672f0f3b8f875ffe6525a37847eafa7648c4c0c6","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:8cc44579d1bd77ba3a32f2cb76fd9669c229c5fd:672f0f3b8f875ffe6525a37847eafa7648c4c0c6"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"8cc44579d1bd77ba3a32f2cb76fd9669c229c5fd","version_start_inclusive":true,"version_end":"95bda3eac0b1454c2cee98d58d9ba6dd8391e843","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:8cc44579d1bd77ba3a32f2cb76fd9669c229c5fd:95bda3eac0b1454c2cee98d58d9ba6dd8391e843"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"8cc44579d1bd77ba3a32f2cb76fd9669c229c5fd","version_start_inclusive":true,"version_end":"07a18f5c90dd3d586b73242f5a5bbf0a72f2fdc6","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:8cc44579d1bd77ba3a32f2cb76fd9669c229c5fd:07a18f5c90dd3d586b73242f5a5bbf0a72f2fdc6"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"8cc44579d1bd77ba3a32f2cb76fd9669c229c5fd","version_start_inclusive":true,"version_end":"71c52da13c3737493b42d20d9f33de34e03b3156","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:8cc44579d1bd77ba3a32f2cb76fd9669c229c5fd:71c52da13c3737493b42d20d9f33de34e03b3156"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"8cc44579d1bd77ba3a32f2cb76fd9669c229c5fd","version_start_inclusive":true,"version_end":"0c4bb32ad7fdc2dc6a8050f41eb04d4bda56b6c8","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:8cc44579d1bd77ba3a32f2cb76fd9669c229c5fd:0c4bb32ad7fdc2dc6a8050f41eb04d4bda56b6c8"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"8cc44579d1bd77ba3a32f2cb76fd9669c229c5fd","version_start_inclusive":true,"version_end":"ccfe292a966079c61ea68a2da303b2a336170993","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:8cc44579d1bd77ba3a32f2cb76fd9669c229c5fd:ccfe292a966079c61ea68a2da303b2a336170993"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"8cc44579d1bd77ba3a32f2cb76fd9669c229c5fd","version_start_inclusive":true,"version_end":"9772589b57e44aedc240211c5c3f7a684a034d3a","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:8cc44579d1bd77ba3a32f2cb76fd9669c229c5fd:9772589b57e44aedc240211c5c3f7a684a034d3a"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"2.6.25","version_start_inclusive":true,"version_end":"2.6.25","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:2.6.25:2.6.25"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0","version_start_inclusive":true,"version_end":"2.6.25","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0:2.6.25"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"5.10.259","version_start_inclusive":true,"version_end":"5.10.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:5.10.259:5.10.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"5.15.210","version_start_inclusive":true,"version_end":"5.15.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:5.15.210:5.15.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.1.176","version_start_inclusive":true,"version_end":"6.1.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.1.176:6.1.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.6.143","version_start_inclusive":true,"version_end":"6.6.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.6.143:6.6.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.12.94","version_start_inclusive":true,"version_end":"6.12.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.12.94:6.12.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.18.36","version_start_inclusive":true,"version_end":"6.18.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.18.36:6.18.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"7.0.13","version_start_inclusive":true,"version_end":"7.0.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:7.0.13:7.0.*"},{"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/975a84fd741440853380d37465b6e226cf47254c","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/672f0f3b8f875ffe6525a37847eafa7648c4c0c6","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/95bda3eac0b1454c2cee98d58d9ba6dd8391e843","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/07a18f5c90dd3d586b73242f5a5bbf0a72f2fdc6","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/71c52da13c3737493b42d20d9f33de34e03b3156","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/0c4bb32ad7fdc2dc6a8050f41eb04d4bda56b6c8","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/ccfe292a966079c61ea68a2da303b2a336170993","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/9772589b57e44aedc240211c5c3f7a684a034d3a","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-06-25T08:39:34.492000Z","label":"CVE published","source":null}]}