CVE-2022-49162
video: fbdev: sm712fb: Fix crash in smtcfb_write()
Vexday Risk Score
3Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS —EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
26 Feb 2025Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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
Linux · LinuxWant to know if your infrastructure is exposed to this?
Talk to TrueHacking →References
https://git.kernel.org/stable/c/0ec746674296c94137f074309c26d17e644c0498https://git.kernel.org/stable/c/1aea36a62f0a0ad67eccc945bac0bd6422ef720fhttps://git.kernel.org/stable/c/3b36c05f68ba32d0dfb63abc9016d6fe9117829fhttps://git.kernel.org/stable/c/4f01d09b2bbfbcb47b3eb305560a7f4857a32260https://git.kernel.org/stable/c/809b8cde86320698661eec677222bc5c5df76176https://git.kernel.org/stable/c/aeb635b49530b7d19e140949753409f759ba99behttps://git.kernel.org/stable/c/b1c28577529cdfad40c8242673285f1e1e4c314ehttps://git.kernel.org/stable/c/eae90015d10f0c9a47fc4adccba4cd79dce664e4https://git.kernel.org/stable/c/fb791514acf9070225eed46e1ccbb0aa7aae5da5