CVEvulnerability
CVE-2025-68177
- Status
- Deferred
- Published
- 2025-12-16
- Last modified
- 2026-10-14
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Description
In the Linux kernel, the following vulnerability has been resolved:
cpufreq/longhaul: handle NULL policy in longhaul_exit
longhaul_exit() was calling cpufreq_cpu_get(0) without checking
for a NULL policy pointer. On some systems, this could lead to a
NULL dereference and a kernel warning or panic.
This patch adds a check using unlikely() and returns early if the
policy is NULL.
Bugzilla: #219962
References
- https://git.kernel.org/stable/c/55cf586b9556863e3c2a45460aba71bcb2be5bcd git.kernel.org
- https://git.kernel.org/stable/c/592532a77b736b5153e0c2e4c74aa50af0a352ab git.kernel.org
- https://git.kernel.org/stable/c/64adabb6d9d51b7e7c02fe733346a2c4dd738488 git.kernel.org
- https://git.kernel.org/stable/c/809cf2a7794ca4c14c304b349f4c3ae220701ce4 git.kernel.org
- https://git.kernel.org/stable/c/8d6791c480f22d6e9a566eaa77336d3d37c5c591 git.kernel.org
- https://git.kernel.org/stable/c/956b56d17a89775e4957bbddefa45cd3c6c71000 git.kernel.org
- https://git.kernel.org/stable/c/b02352dd2e6cca98777714cc2a27553191df70db git.kernel.org
- https://git.kernel.org/stable/c/fd93e1d71b3b14443092919be12b1abf08de35eb git.kernel.org