Vulnerability identifier: #VU93393
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:
CWE-ID:
CWE-399
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 resource management error within the EXPORT_SYMBOL_GPL() and qcom_scm_qseecom_app_send() functions in drivers/firmware/qcom/qcom_scm.c, within the __array_offs(), qsee_uefi_get_variable(), qsee_uefi_set_variable(), qsee_uefi_get_next_variable() and qsee_uefi_query_variable_info() functions in drivers/firmware/qcom/qcom_qseecom_uefisecapp.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
External links
https://git.kernel.org/stable/c/dd22b34fb53cb04b13b2f5eee5c9200bb091fc88
https://git.kernel.org/stable/c/ed09f81eeaa8f9265e1787282cb283f10285c259
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.