CVE-2024-36477

CVE Details

Release Date:	2024-06-21
Impact:	Low	What is this?

Description

In the Linux kernel, the following vulnerability has been resolved:\ntpm_tis_spi: Account for SPI header when allocating TPM SPI xfer buffer\nThe TPM SPI transfer mechanism uses MAX_SPI_FRAMESIZE for computing the\nmaximum transfer length and the size of the transfer buffer. As such, it\ndoes not account for the 4 bytes of header that prepends the SPI data\nframe. This can result in out-of-bounds accesses and was confirmed with\nKASAN.\nIntroduce SPI_HDRSIZE to account for the header and use to allocate the\ntransfer buffer.

See more information about CVE-2024-36477 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	4.4
Vector String:	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Version:	3.1
Attack Vector:	Local
Attack Complexity:	Low
Privileges Required:	High
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 9 (kernel)	ELSA-2024-9315	2024-11-14