CVE-2022-49162
Last modified
CVE-2022-49162 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Software
| Vendor | Product | 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 | >= 5.5, < 5.10.110 |
| Linux | Linux Kernel | >= 5.11, < 5.15.33 |
| Linux | Linux Kernel | >= 5.16, < 5.16.19 |
| Linux | Linux Kernel | >= 5.17, < 5.17.2 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
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