{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-53088: net: bcmgenet: fix off-by-one in bcmgenet_put_txcb","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-53088","status":"final","version":"1","initial_release_date":"2026-06-24T16:30:27.655Z","current_release_date":"2026-06-28T06:39:11.191Z","revision_history":[{"date":"2026-06-24T16:30:27.655Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: bcmgenet: fix off-by-one in bcmgenet_put_txcb\n\nThe write_ptr points to the next open tx_cb. We want to return the\ntx_cb that gets rewinded, so we must rewind the pointer first then\nreturn the tx_cb that it points to. That way the txcb can be correctly\ncleaned up.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-53088 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-53088"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-53088"},{"category":"external","summary":"git.kernel.org","url":"https://git.kernel.org/stable/c/14e9f86564fff7bcf7f45c1b69080e837b31d185"},{"category":"external","summary":"git.kernel.org","url":"https://git.kernel.org/stable/c/fb9a3c1f547d0ff024dbfe7b6f327626ddf0a3de"},{"category":"external","summary":"git.kernel.org","url":"https://git.kernel.org/stable/c/85f34ec320d3881badfd4edc5fee5cd5012bb54d"},{"category":"external","summary":"git.kernel.org","url":"https://git.kernel.org/stable/c/2a74590170427a3ca7cc4bb8690cdd559129c29c"},{"category":"external","summary":"git.kernel.org","url":"https://git.kernel.org/stable/c/29394f722f620281f2ee9a47f947734e53d72c90"},{"category":"external","summary":"git.kernel.org","url":"https://git.kernel.org/stable/c/4cab761fc51c65aef741fcece4a18f3554edbc09"},{"category":"external","summary":"git.kernel.org","url":"https://git.kernel.org/stable/c/72df896e31ddd06fcc5a789f025ad7a62a18bc9b"},{"category":"external","summary":"git.kernel.org","url":"https://git.kernel.org/stable/c/57f3f53d2c9c5a9e133596e2f7bc1c50688a6d38"}]},"product_tree":{"branches":[{"category":"vendor","name":"Linux","branches":[{"category":"product_name","name":"Linux","branches":[{"category":"product_version_range","name":">=876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 <14e9f86564fff7bcf7f45c1b69080e837b31d185","product":{"name":"Linux Linux >=876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 <14e9f86564fff7bcf7f45c1b69080e837b31d185","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:linux:linux:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 <fb9a3c1f547d0ff024dbfe7b6f327626ddf0a3de","product":{"name":"Linux Linux >=876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 <fb9a3c1f547d0ff024dbfe7b6f327626ddf0a3de","product_id":"CSAFPID-2","product_identification_helper":{"cpe":"cpe:2.3:a:linux:linux:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 <85f34ec320d3881badfd4edc5fee5cd5012bb54d","product":{"name":"Linux Linux >=876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 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6.12.91","product_id":"CSAFPID-17","product_identification_helper":{"cpe":"cpe:2.3:a:linux:linux:4.13:*:*:*:*:*:*:*"}}},{"category":"product_version","name":"6.18.33","product":{"name":"Linux Linux 6.18.33","product_id":"CSAFPID-18","product_identification_helper":{"cpe":"cpe:2.3:a:linux:linux:4.13:*:*:*:*:*:*:*"}}},{"category":"product_version","name":"7.0.10","product":{"name":"Linux Linux 7.0.10","product_id":"CSAFPID-19","product_identification_helper":{"cpe":"cpe:2.3:a:linux:linux:4.13:*:*:*:*:*:*:*"}}},{"category":"product_version","name":"7.1","product":{"name":"Linux Linux 7.1","product_id":"CSAFPID-20","product_identification_helper":{"cpe":"cpe:2.3:a:linux:linux:4.13:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-53088","title":"net: bcmgenet: fix off-by-one in bcmgenet_put_txcb","notes":[{"category":"description","text":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: bcmgenet: fix off-by-one in bcmgenet_put_txcb\n\nThe write_ptr points to the next open tx_cb. We want to return the\ntx_cb that gets rewinded, so we must rewind the pointer first then\nreturn the tx_cb that it points to. That way the txcb can be correctly\ncleaned up.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1","CSAFPID-2","CSAFPID-3","CSAFPID-4","CSAFPID-5","CSAFPID-6","CSAFPID-7","CSAFPID-8","CSAFPID-9","CSAFPID-10","CSAFPID-11"],"fixed":["CSAFPID-12","CSAFPID-13","CSAFPID-14","CSAFPID-15","CSAFPID-16","CSAFPID-17","CSAFPID-18","CSAFPID-19","CSAFPID-20"]},"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL"},"products":["CSAFPID-1","CSAFPID-2","CSAFPID-3","CSAFPID-4","CSAFPID-5","CSAFPID-6","CSAFPID-7","CSAFPID-8","CSAFPID-9","CSAFPID-10","CSAFPID-11"]}],"remediations":[{"category":"vendor_fix","details":"Update to a fixed version: 0, 14e9f86564fff7bcf7f45c1b69080e837b31d185, 29394f722f620281f2ee9a47f947734e53d72c90, 2a74590170427a3ca7cc4bb8690cdd559129c29c, 3.17, 4cab761fc51c65aef741fcece4a18f3554edbc09, 5.10.258, 5.15.209, 57f3f53d2c9c5a9e133596e2f7bc1c50688a6d38, 6.1.175, 6.6.141, 6.12.91, 6.18.33, 7.0.10, 7.1, 72df896e31ddd06fcc5a789f025ad7a62a18bc9b, 85f34ec320d3881badfd4edc5fee5cd5012bb54d, fb9a3c1f547d0ff024dbfe7b6f327626ddf0a3de.","product_ids":["CSAFPID-1","CSAFPID-2","CSAFPID-3","CSAFPID-4","CSAFPID-5","CSAFPID-6","CSAFPID-7","CSAFPID-8","CSAFPID-9","CSAFPID-10","CSAFPID-11"]}]}]}