cpufreq: CPPC: Fix possible null-ptr-deref for cppc_get_cpu_cost()
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.5epss 0.2%
exploitation probability
0.2%top 87% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
cpufreq: CPPC: Fix possible null-ptr-deref for cppc_get_cpu_cost()
cpufreq_cpu_get_raw() may return NULL if the cpu is not in
policy->cpus cpu mask and it will cause null pointer dereference,
so check NULL for cppc_get_cpu_cost().
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/1975b481f644f8f841d9c188e3c214fce187f18bhttps://git.kernel.org/stable/c/1a1374bb8c5926674973d849feed500bc61ad535https://git.kernel.org/stable/c/6be57617a38b3f33266acecdb3c063c1c079aaf7https://git.kernel.org/stable/c/afd22d9839359829776abb55cc9bc4946e888704https://git.kernel.org/stable/c/f05ef81db63889f6f14eb77fd140dac6cedb6f7fhttps://lists.debian.org/debian-lts-announce/2025/03/msg00001.html