CVE-2024-36477 — Out-of-bounds Read in Linux
Severity
7.8HIGHNVD
OSV5.5
EPSS
0.0%
top 92.41%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJun 21
Latest updateSep 23
Description
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 allo…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9