{"cve":{"cve_id":"CVE-2026-53235","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: add pskb_may_pull() to skb_gro_receive_list()\n\nskb_gro_receive_list() calls skb_pull(skb, skb_gro_offset(skb)) without\nfirst ensuring the data is in the linear area via pskb_may_pull(). When\nthe skb arrives via napi_gro_frags(), skb_headlen can be 0 (all data in\npage fragments) while skb_gro_offset is non-zero (after IP+TCP header\nparsing). The skb_pull() then decrements skb->len by skb_gro_offset\nbut skb->data_len stays unchanged, hitting BUG_ON(skb->len < skb->data_len)\nin __skb_pull().\n\nThe UDP fraglist GRO path already contains this guard at\nudp_offload.c:749. Adding it to skb_gro_receive_list() itself provides\ncentralized protection for all callers (TCP, UDP, and any future\nprotocols), and ensures the precondition of skb_pull() is satisfied\nbefore it is called.\n\nOn pskb_may_pull() failure, set NAPI_GRO_CB(skb)->flush = 1 so the\nskb is not held as a new GRO head and is instead delivered through the\nnormal receive path, matching the UDP handling.","published_at":"2026-06-25T08:39:32.518000Z","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/9e636c995b7beeb74ea882968248752821c244c4","https://git.kernel.org/stable/c/0cde3a004119db637b401c54e77536e4145fc0b4","https://git.kernel.org/stable/c/848571dcbbbea7ba44dd4f7ebe1fbb274afe08ac","https://git.kernel.org/stable/c/f2bb3434544454099a5b6dec213567267b05d79d"],"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":"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":"8d95dc474f85481652a0e422d2f1f079de81f63c","version_start_inclusive":true,"version_end":"9e636c995b7beeb74ea882968248752821c244c4","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:8d95dc474f85481652a0e422d2f1f079de81f63c:9e636c995b7beeb74ea882968248752821c244c4"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"8d95dc474f85481652a0e422d2f1f079de81f63c","version_start_inclusive":true,"version_end":"0cde3a004119db637b401c54e77536e4145fc0b4","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:8d95dc474f85481652a0e422d2f1f079de81f63c:0cde3a004119db637b401c54e77536e4145fc0b4"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"8d95dc474f85481652a0e422d2f1f079de81f63c","version_start_inclusive":true,"version_end":"848571dcbbbea7ba44dd4f7ebe1fbb274afe08ac","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:8d95dc474f85481652a0e422d2f1f079de81f63c:848571dcbbbea7ba44dd4f7ebe1fbb274afe08ac"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"8d95dc474f85481652a0e422d2f1f079de81f63c","version_start_inclusive":true,"version_end":"f2bb3434544454099a5b6dec213567267b05d79d","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:8d95dc474f85481652a0e422d2f1f079de81f63c:f2bb3434544454099a5b6dec213567267b05d79d"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.10","version_start_inclusive":true,"version_end":"6.10","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.10:6.10"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0","version_start_inclusive":true,"version_end":"6.10","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0:6.10"},{"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/9e636c995b7beeb74ea882968248752821c244c4","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/0cde3a004119db637b401c54e77536e4145fc0b4","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/848571dcbbbea7ba44dd4f7ebe1fbb274afe08ac","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/f2bb3434544454099a5b6dec213567267b05d79d","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-06-25T08:39:32.518000Z","label":"CVE published","source":null}]}