VYPR
Unrated severityNVD Advisory· Published Feb 26, 2025· Updated Dec 23, 2025

video: fbdev: sm712fb: Fix crash in smtcfb_write()

CVE-2022-49162

Description

In the Linux kernel, the following vulnerability has been resolved:

video: fbdev: sm712fb: Fix crash in smtcfb_write()

When the sm712fb driver writes three bytes to the framebuffer, the driver will crash:

BUG: unable to handle page fault for address: ffffc90001ffffff RIP: 0010:smtcfb_write+0x454/0x5b0 Call Trace: vfs_write+0x291/0xd60 ? do_sys_openat2+0x27d/0x350 ? __fget_light+0x54/0x340 ksys_write+0xce/0x190 do_syscall_64+0x43/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae

Fix it by removing the open-coded endianness fixup-code.

Affected products

128

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

9

News mentions

0

No linked articles in our index yet.