{"cve":"CVE-2026-53195","nvd":{"published":"2026-06-25T09:16:36.983","modified":"2026-07-06T12:36:28.823","status":"Analyzed","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-787"],"references":["https://git.kernel.org/stable/c/0fd2b00b2d3d05e3eaa13342b3dfb0fa85c226ae","https://git.kernel.org/stable/c/130d6567eb148040eed1b73e1414ad6c27d22bd5","https://git.kernel.org/stable/c/294692d3296eee3391c348d7ea6401916d27806c","https://git.kernel.org/stable/c/2fd64bf0ad66ab5de0c73524591d879427ba5aba","https://git.kernel.org/stable/c/3e187152f44d76d7633a3855ffd0099e1588b82a"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:41:17.107060303+00:00"},"epss":{"cve":"CVE-2026-53195","score":0.00143,"percentile":0.0357,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}