{"api_version":"1","generated_at":"2026-08-13T12:30:16+00:00","cve":"CVE-2026-68365","urls":{"html":"https://cve.report/CVE-2026-68365","api":"https://cve.report/api/cve/CVE-2026-68365.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-68365","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-68365"},"summary":{"title":"USB: serial: io_edgeport: cap received transmit credits","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: io_edgeport: cap received transmit credits\n\nThe interrupt-status packet reports transmit credits returned by the\ndevice. edge_interrupt_callback() adds the 16-bit value to txCredits\nwithout checking maxTxCredits.\n\nedge_write() uses txCredits minus the software FIFO count as the amount\nof data that fits. Since the FIFO is allocated with maxTxCredits bytes,\ntxCredits exceeding maxTxCredits can cause OOB write in ring buffer.\n\nCap accumulated credits at maxTxCredits. Conforming devices should never\nhit the cap.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-10 13:20:29","updated_at":"2026-08-10 13:20:29"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/1e47d8228b8767c8ac722aedb388f70adeeda43d","name":"https://git.kernel.org/stable/c/1e47d8228b8767c8ac722aedb388f70adeeda43d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/64b687f9694777754285d489abbefa3784bc78da","name":"https://git.kernel.org/stable/c/64b687f9694777754285d489abbefa3784bc78da","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/cbe00048b69d67c8a78293cb7681b4c9963b26c7","name":"https://git.kernel.org/stable/c/cbe00048b69d67c8a78293cb7681b4c9963b26c7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/faaddd811c5099f11a5f52e68a6b31a5898cda4f","name":"https://git.kernel.org/stable/c/faaddd811c5099f11a5f52e68a6b31a5898cda4f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ee57992c053a6d395e98ced2d4c9cc3b42d8c27a","name":"https://git.kernel.org/stable/c/ee57992c053a6d395e98ced2d4c9cc3b42d8c27a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-68365","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-68365","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ee57992c053a6d395e98ced2d4c9cc3b42d8c27a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 64b687f9694777754285d489abbefa3784bc78da git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 cbe00048b69d67c8a78293cb7681b4c9963b26c7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 1e47d8228b8767c8ac722aedb388f70adeeda43d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 faaddd811c5099f11a5f52e68a6b31a5898cda4f 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 6.6.148 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.101 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.42 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.6 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2-rc5 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/usb/serial/io_edgeport.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ee57992c053a6d395e98ced2d4c9cc3b42d8c27a","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"64b687f9694777754285d489abbefa3784bc78da","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"cbe00048b69d67c8a78293cb7681b4c9963b26c7","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"1e47d8228b8767c8ac722aedb388f70adeeda43d","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"faaddd811c5099f11a5f52e68a6b31a5898cda4f","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/usb/serial/io_edgeport.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":"6.6.*","status":"unaffected","version":"6.6.148","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.101","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.42","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc5","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.148","versionStartIncluding":"2.6.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.101","versionStartIncluding":"2.6.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.42","versionStartIncluding":"2.6.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.6","versionStartIncluding":"2.6.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc5","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_edgeport: cap received transmit credits\n\nThe interrupt-status packet reports transmit credits returned by the\ndevice. edge_interrupt_callback() adds the 16-bit value to txCredits\nwithout checking maxTxCredits.\n\nedge_write() uses txCredits minus the software FIFO count as the amount\nof data that fits. Since the FIFO is allocated with maxTxCredits bytes,\ntxCredits exceeding maxTxCredits can cause OOB write in ring buffer.\n\nCap accumulated credits at maxTxCredits. Conforming devices should never\nhit the cap."}],"providerMetadata":{"dateUpdated":"2026-08-10T12:03:42.358Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/ee57992c053a6d395e98ced2d4c9cc3b42d8c27a"},{"url":"https://git.kernel.org/stable/c/64b687f9694777754285d489abbefa3784bc78da"},{"url":"https://git.kernel.org/stable/c/cbe00048b69d67c8a78293cb7681b4c9963b26c7"},{"url":"https://git.kernel.org/stable/c/1e47d8228b8767c8ac722aedb388f70adeeda43d"},{"url":"https://git.kernel.org/stable/c/faaddd811c5099f11a5f52e68a6b31a5898cda4f"}],"title":"USB: serial: io_edgeport: cap received transmit credits","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-68365","datePublished":"2026-08-10T12:03:42.358Z","dateReserved":"2026-07-30T09:28:09.385Z","dateUpdated":"2026-08-10T12:03:42.358Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-10 13:20:29","lastModifiedDate":"2026-08-10 13:20:29","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"68365","Ordinal":"1","Title":"USB: serial: io_edgeport: cap received transmit credits","CVE":"CVE-2026-68365","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"68365","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: io_edgeport: cap received transmit credits\n\nThe interrupt-status packet reports transmit credits returned by the\ndevice. edge_interrupt_callback() adds the 16-bit value to txCredits\nwithout checking maxTxCredits.\n\nedge_write() uses txCredits minus the software FIFO count as the amount\nof data that fits. Since the FIFO is allocated with maxTxCredits bytes,\ntxCredits exceeding maxTxCredits can cause OOB write in ring buffer.\n\nCap accumulated credits at maxTxCredits. Conforming devices should never\nhit the cap.","Type":"Description","Title":"USB: serial: io_edgeport: cap received transmit credits"}]}}}