{"api_version":"1","generated_at":"2026-06-26T03:58:47+00:00","cve":"CVE-2026-53195","urls":{"html":"https://cve.report/CVE-2026-53195","api":"https://cve.report/api/cve/CVE-2026-53195.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53195","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53195"},"summary":{"title":"USB: serial: io_ti: fix heap overflow in build_i2c_fw_hdr()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: io_ti: fix heap overflow in build_i2c_fw_hdr()\n\nbuild_i2c_fw_hdr() allocates a fixed-size buffer of\n(16*1024 - 512) + sizeof(struct ti_i2c_firmware_rec) bytes, then\ncopies le16_to_cpu(img_header->Length) bytes into it without\nvalidating that Length fits within the available space after the\nfirmware record header.\n\nimg_header->Length is a __le16 from the firmware file and can be\nup to 65535. check_fw_sanity() validates the total firmware size\nbut not img_header->Length specifically.\n\nFix by rejecting images where img_header->Length exceeds the\navailable destination space.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-25 09:16:36","updated_at":"2026-06-25 09:16:36"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/4cb722747ed25971f35cc47ce5c0e79d7f717713","name":"https://git.kernel.org/stable/c/4cb722747ed25971f35cc47ce5c0e79d7f717713","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2fd64bf0ad66ab5de0c73524591d879427ba5aba","name":"https://git.kernel.org/stable/c/2fd64bf0ad66ab5de0c73524591d879427ba5aba","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5a79b634ee58786ca627268daefa7744f2af2e14","name":"https://git.kernel.org/stable/c/5a79b634ee58786ca627268daefa7744f2af2e14","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0fd2b00b2d3d05e3eaa13342b3dfb0fa85c226ae","name":"https://git.kernel.org/stable/c/0fd2b00b2d3d05e3eaa13342b3dfb0fa85c226ae","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b7faf660eefa2047ebc2959ff76da2b6eae2e9e3","name":"https://git.kernel.org/stable/c/b7faf660eefa2047ebc2959ff76da2b6eae2e9e3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/130d6567eb148040eed1b73e1414ad6c27d22bd5","name":"https://git.kernel.org/stable/c/130d6567eb148040eed1b73e1414ad6c27d22bd5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3e187152f44d76d7633a3855ffd0099e1588b82a","name":"https://git.kernel.org/stable/c/3e187152f44d76d7633a3855ffd0099e1588b82a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/294692d3296eee3391c348d7ea6401916d27806c","name":"https://git.kernel.org/stable/c/294692d3296eee3391c348d7ea6401916d27806c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-53195","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53195","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 3e187152f44d76d7633a3855ffd0099e1588b82a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 b7faf660eefa2047ebc2959ff76da2b6eae2e9e3 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 2fd64bf0ad66ab5de0c73524591d879427ba5aba git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 4cb722747ed25971f35cc47ce5c0e79d7f717713 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 130d6567eb148040eed1b73e1414ad6c27d22bd5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 294692d3296eee3391c348d7ea6401916d27806c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 5a79b634ee58786ca627268daefa7744f2af2e14 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 0fd2b00b2d3d05e3eaa13342b3dfb0fa85c226ae git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2.6.12","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 2.6.12 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10.259 5.10.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.210 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.176 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.143 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.94 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.36 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.13 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"53195","cve":"CVE-2026-53195","epss":"0.002030000","percentile":"0.103760000","score_date":"2026-06-25","updated_at":"2026-06-26 00:06:14"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/usb/serial/io_ti.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"3e187152f44d76d7633a3855ffd0099e1588b82a","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"b7faf660eefa2047ebc2959ff76da2b6eae2e9e3","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"2fd64bf0ad66ab5de0c73524591d879427ba5aba","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"4cb722747ed25971f35cc47ce5c0e79d7f717713","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"130d6567eb148040eed1b73e1414ad6c27d22bd5","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"294692d3296eee3391c348d7ea6401916d27806c","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"5a79b634ee58786ca627268daefa7744f2af2e14","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"0fd2b00b2d3d05e3eaa13342b3dfb0fa85c226ae","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/usb/serial/io_ti.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.12"},{"lessThan":"2.6.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.259","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.143","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.94","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.36","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.13","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.259","versionStartIncluding":"2.6.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.210","versionStartIncluding":"2.6.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.176","versionStartIncluding":"2.6.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.143","versionStartIncluding":"2.6.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.94","versionStartIncluding":"2.6.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.36","versionStartIncluding":"2.6.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.13","versionStartIncluding":"2.6.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"2.6.12","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: io_ti: fix heap overflow in build_i2c_fw_hdr()\n\nbuild_i2c_fw_hdr() allocates a fixed-size buffer of\n(16*1024 - 512) + sizeof(struct ti_i2c_firmware_rec) bytes, then\ncopies le16_to_cpu(img_header->Length) bytes into it without\nvalidating that Length fits within the available space after the\nfirmware record header.\n\nimg_header->Length is a __le16 from the firmware file and can be\nup to 65535. check_fw_sanity() validates the total firmware size\nbut not img_header->Length specifically.\n\nFix by rejecting images where img_header->Length exceeds the\navailable destination space."}],"providerMetadata":{"dateUpdated":"2026-06-25T08:39:05.673Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/3e187152f44d76d7633a3855ffd0099e1588b82a"},{"url":"https://git.kernel.org/stable/c/b7faf660eefa2047ebc2959ff76da2b6eae2e9e3"},{"url":"https://git.kernel.org/stable/c/2fd64bf0ad66ab5de0c73524591d879427ba5aba"},{"url":"https://git.kernel.org/stable/c/4cb722747ed25971f35cc47ce5c0e79d7f717713"},{"url":"https://git.kernel.org/stable/c/130d6567eb148040eed1b73e1414ad6c27d22bd5"},{"url":"https://git.kernel.org/stable/c/294692d3296eee3391c348d7ea6401916d27806c"},{"url":"https://git.kernel.org/stable/c/5a79b634ee58786ca627268daefa7744f2af2e14"},{"url":"https://git.kernel.org/stable/c/0fd2b00b2d3d05e3eaa13342b3dfb0fa85c226ae"}],"title":"USB: serial: io_ti: fix heap overflow in build_i2c_fw_hdr()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-53195","datePublished":"2026-06-25T08:39:05.673Z","dateReserved":"2026-06-09T07:44:35.390Z","dateUpdated":"2026-06-25T08:39:05.673Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-25 09:16:36","lastModifiedDate":"2026-06-25 09:16:36","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"53195","Ordinal":"1","Title":"USB: serial: io_ti: fix heap overflow in build_i2c_fw_hdr()","CVE":"CVE-2026-53195","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"53195","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: io_ti: fix heap overflow in build_i2c_fw_hdr()\n\nbuild_i2c_fw_hdr() allocates a fixed-size buffer of\n(16*1024 - 512) + sizeof(struct ti_i2c_firmware_rec) bytes, then\ncopies le16_to_cpu(img_header->Length) bytes into it without\nvalidating that Length fits within the available space after the\nfirmware record header.\n\nimg_header->Length is a __le16 from the firmware file and can be\nup to 65535. check_fw_sanity() validates the total firmware size\nbut not img_header->Length specifically.\n\nFix by rejecting images where img_header->Length exceeds the\navailable destination space.","Type":"Description","Title":"USB: serial: io_ti: fix heap overflow in build_i2c_fw_hdr()"}]}}}