CVE-2022-50635
kernel: powerpc/kprobes: Fix null pointer reference in arch_prepare_kprobe()
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · December 9, 2025
Updated · June 30, 2026
Description
A flaw was found in the Linux kernel in arch_prepare_kprobe(): where certain error conditions are not properly validated before dereferencing a pointer. Under specific circumstances, this can result in a NULL pointer dereference in kernel space. If triggered, the kernel may generate an oops or panic, causing the system to become unstable or crash.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 5.8CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H
CWE-476 · NULL Pointer Dereference