Answer in brief
CVE-2026-53195 records a High severity (CVSS 7.8) vulnerability in USB: serial: io_ti: fix heap overflow in build_i2c_fw_hdr(). The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <3e187152f44d76d7633a3855ffd0099e1588b82a || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <b7faf660eefa2047ebc2959ff76da2b6eae2e9e3 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <2fd64bf0ad66ab5de0c73524591d879427ba5aba || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <4cb722747ed25971f35cc47ce5c0e79d7f717713 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <130d6567eb148040eed1b73e1414ad6c27d22bd5 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <294692d3296eee3391c348d7ea6401916d27806c || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <5a79b634ee58786ca627268daefa7744f2af2e14 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <0fd2b00b2d3d05e3eaa13342b3dfb0fa85c226ae | 3e187152f44d76d7633a3855ffd0099e1588b82a, b7faf660eefa2047ebc2959ff76da2b6eae2e9e3, 2fd64bf0ad66ab5de0c73524591d879427ba5aba, 4cb722747ed25971f35cc47ce5c0e79d7f717713, 130d6567eb148040eed1b73e1414ad6c27d22bd5, 294692d3296eee3391c348d7ea6401916d27806c, 5a79b634ee58786ca627268daefa7744f2af2e14, 0fd2b00b2d3d05e3eaa13342b3dfb0fa85c226ae |
| Linux/Linuxgeneric | 2.6.12 | Not reported |
Published upstream
Jun 25, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Nov 6, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 25, 2026
In the Linux kernel, the following vulnerability has been resolved: USB: serial: io_ti: fix heap overflow in build_i2c_fw_hdr() build_i2c_fw_hdr() allocates a fixed-size buffer of (16*1024 - 512) + sizeof(struct ti_i2c_firmware_rec) bytes, then copies le16_to_cpu(img_header->Length) bytes into it without validating that Length fits within the available space after the firmware record header. img_header->Length is a __le16 from the firmware file and can be up to 65535. check_fw_sanity() validates the total firmware size but not img_header->Length specifically. Fix by rejecting images where img_header->Length exceeds the available destination space.
Quoted source text, attributed separately from HOL analysis.