CVE-2024-36477 (GCVE-0-2024-36477)

Vulnerability from cvelistv5 – Published: 2024-06-21 11:18 – Updated: 2025-05-04 09:11
VLAI?
Title
tpm_tis_spi: Account for SPI header when allocating TPM SPI xfer buffer
Summary
In the Linux kernel, the following vulnerability has been resolved: tpm_tis_spi: Account for SPI header when allocating TPM SPI xfer buffer The TPM SPI transfer mechanism uses MAX_SPI_FRAMESIZE for computing the maximum transfer length and the size of the transfer buffer. As such, it does not account for the 4 bytes of header that prepends the SPI data frame. This can result in out-of-bounds accesses and was confirmed with KASAN. Introduce SPI_HDRSIZE to account for the header and use to allocate the transfer buffer.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: a86a42ac2bd652fdc7836a9d880c306a2485c142 , < 1547183852dcdfcc25878db7dd3620509217b0cd (git)
Affected: a86a42ac2bd652fdc7836a9d880c306a2485c142 , < de13c56f99477b56980c7e00b09c776d16b7563d (git)
Affected: a86a42ac2bd652fdc7836a9d880c306a2485c142 , < 195aba96b854dd664768f382cd1db375d8181f88 (git)
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    Linux Linux Affected: 6.6
Unaffected: 0 , < 6.6 (semver)
Unaffected: 6.6.33 , ≤ 6.6.* (semver)
Unaffected: 6.9.4 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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