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medium5.5

CVE-2024-26946

In the Linux kernel, the following vulnerability has been resolved: kprobes/x86: Use copy_from_kernel_nofault() to read from unsafe address Read from an unsafe…

Impact

In the Linux kernel, the following vulnerability has been resolved: kprobes/x86: Use copy_from_kernel_nofault() to read from unsafe address Read from an unsafe address with copy_from_kernel_nofault() in arch_adjust_kprobe_addr() because this function is used before checking the address is in text or not. Syzcaller bot found a bug and reported the case if user specifies inaccessible data area, arch_adjust_kprobe_addr() will cause a kernel panic. [ mingo: Clarified the comment. ]

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 5.18 before 6.1.84
from 6.2 before 6.6.24
from 6.7 before 6.7.12
from 6.8 before 6.8.3

Weakness classification

CWE-617

References