#VU93022 Out-of-bounds read in Linux kernel - CVE-2024-36477

Vulnerability identifier: #VU93022

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-36477

CWE-ID: CWE-125

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to an out-of-bounds read error within the tpm_tis_spi_write_bytes() function in drivers/char/tpm/tpm_tis_spi_main.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

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External links
http://git.kernel.org/stable/c/1547183852dcdfcc25878db7dd3620509217b0cd
http://git.kernel.org/stable/c/de13c56f99477b56980c7e00b09c776d16b7563d
http://git.kernel.org/stable/c/195aba96b854dd664768f382cd1db375d8181f88

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.