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Description

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.

PUBLISHED Reserved 2026-06-09 | Published 2026-06-25 | Updated 2026-06-25 | Assigner Linux

Product status

Default status
unaffected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 3e187152f44d76d7633a3855ffd0099e1588b82a
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before b7faf660eefa2047ebc2959ff76da2b6eae2e9e3
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 2fd64bf0ad66ab5de0c73524591d879427ba5aba
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 4cb722747ed25971f35cc47ce5c0e79d7f717713
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 130d6567eb148040eed1b73e1414ad6c27d22bd5
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 294692d3296eee3391c348d7ea6401916d27806c
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 5a79b634ee58786ca627268daefa7744f2af2e14
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 0fd2b00b2d3d05e3eaa13342b3dfb0fa85c226ae
affected

Default status
affected

2.6.12
affected

Any version before 2.6.12
unaffected

5.10.259 (semver)
unaffected

5.15.210 (semver)
unaffected

6.1.176 (semver)
unaffected

6.6.143 (semver)
unaffected

6.12.94 (semver)
unaffected

6.18.36 (semver)
unaffected

7.0.13 (semver)
unaffected

7.1 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/3e187152f44d76d7633a3855ffd0099e1588b82a

git.kernel.org/...c/b7faf660eefa2047ebc2959ff76da2b6eae2e9e3

git.kernel.org/...c/2fd64bf0ad66ab5de0c73524591d879427ba5aba

git.kernel.org/...c/4cb722747ed25971f35cc47ce5c0e79d7f717713

git.kernel.org/...c/130d6567eb148040eed1b73e1414ad6c27d22bd5

git.kernel.org/...c/294692d3296eee3391c348d7ea6401916d27806c

git.kernel.org/...c/5a79b634ee58786ca627268daefa7744f2af2e14

git.kernel.org/...c/0fd2b00b2d3d05e3eaa13342b3dfb0fa85c226ae

cve.org (CVE-2026-53195)

nvd.nist.gov (CVE-2026-53195)

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