CVE-2024-26946

MEDIUM

Linux Kernel 5.18-6.1.83, 6.2-6.6.23, 6.7-6.7.11, 6.8-6.8.2 - Reachable Assertion via Unsafe Address Handling in kprobes

Title source: llm
STIX 2.1

Description

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. ]

References (5)

Core 5

Scores

CVSS v3 5.5
EPSS 0.0024
EPSS Percentile 14.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-617
Status published
Products (17)
linux/Kernel 5.18.0 - 6.1.84linux
linux/Kernel 6.2.0 - 6.6.24linux
linux/Kernel 6.7.0 - 6.7.12linux
linux/Kernel 6.8.0 - 6.8.3linux
Linux/Linux < 5.18
Linux/Linux 5.18
Linux/Linux 6.1.84 - 6.1.*
Linux/Linux 6.6.24 - 6.6.*
Linux/Linux 6.7.12 - 6.7.*
Linux/Linux 6.8.3 - 6.8.*
... and 7 more
Published May 01, 2024
Tracked Since Feb 18, 2026