{"id":"CVE-2026-98575","revision":"0e6b8e0326dc4e79af99836e71b13817","records":[{"revision":"0e6b8e0326dc4e79af99836e71b13817","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-98575","aliases":[],"title":"nfc: pn533: fix OOB read in pn533_acr122_is_rx_frame_valid()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: pn533: fix OOB read in pn533_acr122_is_rx_frame_valid()\n\nframe->ccid.datalen is read directly from the USB response frame\nand used, unchecked, as an index into frame->data[]. A malicious or\nmalfunctioning device can set this field to an arbitrary value,\ncausing the driver to read far outside the received buffer.\n\nBound ccid.datalen against the maximum possible ACR122 frame size\nbefore using it. This replaces the existing datalen == 0 check,\nsince datalen < 2 already covers that case and additionally\nrejects datalen == 1, which would still underflow the\n\"datalen - 2\" offset used below.","state":0,"publishedAt":"2026-10-18T15:18:40.577+00:00","modifiedAt":"2026-10-19T09:22:00.641+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/nfc/pn533/usb.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"9815c7cf22daceabfb919ddcd6f2c80e049c1fbc\",\n                            \"lessThan\": \"8db3b1e012a8b25078dfa1efabe3d0cd2916dcba\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"9815c7cf22daceabfb919ddcd6f2c80e049c1fbc\",\n                            \"lessThan\": \"74b3fbc60907ee97e3af3249091f57351b53a6d6\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"9815c7cf22daceabfb919ddcd6f2c80e049c1fbc\",\n                            \"lessThan\": \"8a0f1bb790d964893db7fc59febda9a534db07b3\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"9815c7cf22daceabfb919ddcd6f2c80e049c1fbc\",\n                            \"lessThan\": \"ea82b7576793219fa10a8b545f8338998b2a9ce2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"9815c7cf22daceabfb919ddcd6f2c80e049c1fbc\",\n                            \"lessThan\": \"72b8b2126e854d6756a1aa4bdc66d7457b832294\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"9815c7cf22daceabfb919ddcd6f2c80e049c1fbc\",\n                            \"lessThan\": \"e72cbedc4596e808d22dd2b9fff666ece76f8dd6\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"9815c7cf22daceabfb919ddcd6f2c80e049c1fbc\",\n                            \"lessThan\": \"2450a388367231fb7dd798538f393af227c00c4d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"9815c7cf22daceabfb919ddcd6f2c80e049c1fbc\",\n                            \"lessThan\": \"b61732f47316d45f27706db7812950145d3327b5\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/nfc/pn533/usb.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.7\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.7\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.271\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.222\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.189\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.158\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.112\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.55\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.9\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/8db3b1e012a8b25078dfa1efabe3d0cd2916dcba","https://git.kernel.org/stable/c/74b3fbc60907ee97e3af3249091f57351b53a6d6","https://git.kernel.org/stable/c/8a0f1bb790d964893db7fc59febda9a534db07b3","https://git.kernel.org/stable/c/ea82b7576793219fa10a8b545f8338998b2a9ce2","https://git.kernel.org/stable/c/72b8b2126e854d6756a1aa4bdc66d7457b832294","https://git.kernel.org/stable/c/e72cbedc4596e808d22dd2b9fff666ece76f8dd6","https://git.kernel.org/stable/c/2450a388367231fb7dd798538f393af227c00c4d","https://git.kernel.org/stable/c/b61732f47316d45f27706db7812950145d3327b5"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98575","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-98575","identifiers":["CVE-2026-98575"]},"retained":false,"historicalAffected":[]}],"coverage":[]}