PT-2025-8090 · Linux+2 · Linux Kernel+2
Zheyu Ma
·
Published
2022-03-03
·
Updated
2025-04-15
·
CVE-2022-49162
CVSS v3.1
5.5
Medium
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
A crash issue has been identified in the Linux kernel, specifically in the sm712fb driver when writing to the framebuffer. The driver crashes when attempting to write three bytes, resulting in a page fault error. The issue is related to the
smtcfb write() function and can be triggered through the vfs write() and ksys write() functions. The error is characterized by a BUG message indicating an inability to handle a page fault for a specific address, followed by a call trace.Recommendations
To resolve this issue, the fix involves removing the open-coded endianness fixup code from the
smtcfb write() function.
At the moment, there is no information about a newer version that contains a fix for this vulnerability.Exploit
Buffer Overflow
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Weakness Enumeration
Related Identifiers
Affected Products
Astra Linux
Linux Kernel
Suse