Tracker / CVE-2022-49162
CVE-2022-49162
High 7.8
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 and versions
| linux | linux_kernel · … → 4.9.311 |
|---|---|
| linux | linux_kernel · 4.10 → 4.14.276 |
| linux | linux_kernel · 4.15 → 4.19.238 |
| linux | linux_kernel · 4.20 → 5.4.189 |
| linux | linux_kernel · 5.11 → 5.15.33 |
| linux | linux_kernel · 5.16 → 5.16.19 |
| linux | linux_kernel · 5.17 → 5.17.2 |
| linux | linux_kernel · 5.5 → 5.10.110 |
Analysis
This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.