Vulnerability identifier: #VU92345
Vulnerability risk: Low
CVSSv3.1: 4.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-476
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 NULL pointer dereference within the cppc_cpufreq_get_rate() and hisi_cppc_cpufreq_get_rate() functions in drivers/cpufreq/cppc_cpufreq.c. A local user can perform a denial of service (DoS) attack.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel:
External links
http://git.kernel.org/stable/c/9a185cc5a79ba408e1c73375706630662304f618
http://git.kernel.org/stable/c/769c4f355b7962895205b86ad35617873feef9a5
http://git.kernel.org/stable/c/f84b9b25d045e67a7eee5e73f21278c8ab06713c
http://git.kernel.org/stable/c/b18daa4ec727c0266de5bfc78e818d168cc4aedf
http://git.kernel.org/stable/c/dfec15222529d22b15e5b0d63572a9e39570cab4
http://git.kernel.org/stable/c/cf7de25878a1f4508c69dc9f6819c21ba177dbfe
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.