CVSS 3.1 Score 7.8 of 10 (high)


Published Jun 21, 2024
Updated: Jun 24, 2024
CWE ID 125


CVE-2024-36477 is a high severity vulnerability that affects the Linux kernel. It is categorized as CWE-125 (Out-of-bounds Read) and has a base score of 7.8 according to CVSS v3.1. The vulnerability occurs in the tpm_tis_spi driver and can result in out-of-bounds accesses due to a lack of accounting for the 4 bytes of header that prepends the SPI data frame. This vulnerability has been confirmed with KASAN and can be exploited locally with low privileges required. It poses a high risk to organizations as it can lead to integrity and confidentiality impacts. Remediation for this vulnerability involves introducing SPI_HDRSIZE to account for the header and using it to allocate the transfer buffer in order to prevent out-of-bounds accesses.

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