{"cve":{"cve_id":"CVE-2026-53227","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\nnet: openvswitch: fix possible kfree_skb of ERR_PTR\n\nAfter the patch in the \"Fixes\" tag, the allocation of the \"reply\" skb\ncan happen either before or after locking the ovs_mutex.\n\nHowever, error cleanups still follow the classical reversed order,\nassuming \"reply\" is allocated before locking: it is freed after unlocking.\n\nIf \"reply\" allocation happens after locking the mutex and it fails,\n\"reply\" is left with an ERR_PTR, and execution jumps to the correspondent\ncleanup stage which will try to free an invalid pointer.\n\nFix this by setting the pointer to NULL after having saved its error\nvalue.","published_at":"2026-06-25T08:39:27.229000Z","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/e248fb2e680deb2bd37bac551b72638fe4938a76","https://git.kernel.org/stable/c/0bb5b2dc1b90aa7dd1473fc8c4d813a29255ff8d","https://git.kernel.org/stable/c/971b1b37774f13acc5add0a2843f8598446b8598","https://git.kernel.org/stable/c/25fdf53698535fe8790237f5a8a9626791429785","https://git.kernel.org/stable/c/e3d509a1b71396e1452060dbf84a805fd1c3c549","https://git.kernel.org/stable/c/ecc55aad3390129a87106841f4b68bf3d70c9264","https://git.kernel.org/stable/c/895d1dd9057cde1687fa0f4286d47ceed0b82997","https://git.kernel.org/stable/c/ee30dd2909d8b98619f4341c70ec8dc8e155ab02"],"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":"893f139b9a6c00c097b9082a90f3041cfb3a0d20","version_start_inclusive":true,"version_end":"e248fb2e680deb2bd37bac551b72638fe4938a76","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:893f139b9a6c00c097b9082a90f3041cfb3a0d20:e248fb2e680deb2bd37bac551b72638fe4938a76"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"893f139b9a6c00c097b9082a90f3041cfb3a0d20","version_start_inclusive":true,"version_end":"0bb5b2dc1b90aa7dd1473fc8c4d813a29255ff8d","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:893f139b9a6c00c097b9082a90f3041cfb3a0d20:0bb5b2dc1b90aa7dd1473fc8c4d813a29255ff8d"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"893f139b9a6c00c097b9082a90f3041cfb3a0d20","version_start_inclusive":true,"version_end":"971b1b37774f13acc5add0a2843f8598446b8598","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:893f139b9a6c00c097b9082a90f3041cfb3a0d20:971b1b37774f13acc5add0a2843f8598446b8598"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"893f139b9a6c00c097b9082a90f3041cfb3a0d20","version_start_inclusive":true,"version_end":"25fdf53698535fe8790237f5a8a9626791429785","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:893f139b9a6c00c097b9082a90f3041cfb3a0d20:25fdf53698535fe8790237f5a8a9626791429785"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"893f139b9a6c00c097b9082a90f3041cfb3a0d20","version_start_inclusive":true,"version_end":"e3d509a1b71396e1452060dbf84a805fd1c3c549","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:893f139b9a6c00c097b9082a90f3041cfb3a0d20:e3d509a1b71396e1452060dbf84a805fd1c3c549"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"893f139b9a6c00c097b9082a90f3041cfb3a0d20","version_start_inclusive":true,"version_end":"ecc55aad3390129a87106841f4b68bf3d70c9264","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:893f139b9a6c00c097b9082a90f3041cfb3a0d20:ecc55aad3390129a87106841f4b68bf3d70c9264"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"893f139b9a6c00c097b9082a90f3041cfb3a0d20","version_start_inclusive":true,"version_end":"895d1dd9057cde1687fa0f4286d47ceed0b82997","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:893f139b9a6c00c097b9082a90f3041cfb3a0d20:895d1dd9057cde1687fa0f4286d47ceed0b82997"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"893f139b9a6c00c097b9082a90f3041cfb3a0d20","version_start_inclusive":true,"version_end":"ee30dd2909d8b98619f4341c70ec8dc8e155ab02","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:893f139b9a6c00c097b9082a90f3041cfb3a0d20:ee30dd2909d8b98619f4341c70ec8dc8e155ab02"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"3.16","version_start_inclusive":true,"version_end":"3.16","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:3.16:3.16"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0","version_start_inclusive":true,"version_end":"3.16","version_end_inclusive":false,"cpe23_uri":"cve5:lin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published","source":null}]}