Answer in brief
CVE-2022-49162 records a High severity (CVSS 7.8) vulnerability in video: fbdev: sm712fb: Fix crash in smtcfb_write(). The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
Answer in brief
CVE-2022-49162 records a High severity (CVSS 7.8) vulnerability in video: fbdev: sm712fb: Fix crash in smtcfb_write(). The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=d7edf47947f9d921be6ca5fc8e83049124466f98 <fb791514acf9070225eed46e1ccbb0aa7aae5da5 || >=d7edf47947f9d921be6ca5fc8e83049124466f98 <0ec746674296c94137f074309c26d17e644c0498 || >=d7edf47947f9d921be6ca5fc8e83049124466f98 <1aea36a62f0a0ad67eccc945bac0bd6422ef720f || >=d7edf47947f9d921be6ca5fc8e83049124466f98 <3b36c05f68ba32d0dfb63abc9016d6fe9117829f || >=d7edf47947f9d921be6ca5fc8e83049124466f98 <b1c28577529cdfad40c8242673285f1e1e4c314e || >=d7edf47947f9d921be6ca5fc8e83049124466f98 <eae90015d10f0c9a47fc4adccba4cd79dce664e4 || >=d7edf47947f9d921be6ca5fc8e83049124466f98 <aeb635b49530b7d19e140949753409f759ba99be || >=d7edf47947f9d921be6ca5fc8e83049124466f98 <809b8cde86320698661eec677222bc5c5df76176 || >=d7edf47947f9d921be6ca5fc8e83049124466f98 <4f01d09b2bbfbcb47b3eb305560a7f4857a32260 | fb791514acf9070225eed46e1ccbb0aa7aae5da5, 0ec746674296c94137f074309c26d17e644c0498, 1aea36a62f0a0ad67eccc945bac0bd6422ef720f, 3b36c05f68ba32d0dfb63abc9016d6fe9117829f, b1c28577529cdfad40c8242673285f1e1e4c314e, eae90015d10f0c9a47fc4adccba4cd79dce664e4, aeb635b49530b7d19e140949753409f759ba99be, 809b8cde86320698661eec677222bc5c5df76176, 4f01d09b2bbfbcb47b3eb305560a7f4857a32260 |
| Linux/Linuxgeneric | 2.6.33 | Not reported |
Published upstream
Feb 26, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 4, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 4, 2026
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.
Quoted source text, attributed separately from HOL analysis.
CVSS is 7.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=d7edf47947f9d921be6ca5fc8e83049124466f98 <fb791514acf9070225eed46e1ccbb0aa7aae5da5 || >=d7edf47947f9d921be6ca5fc8e83049124466f98 <0ec746674296c94137f074309c26d17e644c0498 || >=d7edf47947f9d921be6ca5fc8e83049124466f98 <1aea36a62f0a0ad67eccc945bac0bd6422ef720f || >=d7edf47947f9d921be6ca5fc8e83049124466f98 <3b36c05f68ba32d0dfb63abc9016d6fe9117829f || >=d7edf47947f9d921be6ca5fc8e83049124466f98 <b1c28577529cdfad40c8242673285f1e1e4c314e || >=d7edf47947f9d921be6ca5fc8e83049124466f98 <eae90015d10f0c9a47fc4adccba4cd79dce664e4 || >=d7edf47947f9d921be6ca5fc8e83049124466f98 <aeb635b49530b7d19e140949753409f759ba99be || >=d7edf47947f9d921be6ca5fc8e83049124466f98 <809b8cde86320698661eec677222bc5c5df76176 || >=d7edf47947f9d921be6ca5fc8e83049124466f98 <4f01d09b2bbfbcb47b3eb305560a7f4857a32260 | fb791514acf9070225eed46e1ccbb0aa7aae5da5, 0ec746674296c94137f074309c26d17e644c0498, 1aea36a62f0a0ad67eccc945bac0bd6422ef720f, 3b36c05f68ba32d0dfb63abc9016d6fe9117829f, b1c28577529cdfad40c8242673285f1e1e4c314e, eae90015d10f0c9a47fc4adccba4cd79dce664e4, aeb635b49530b7d19e140949753409f759ba99be, 809b8cde86320698661eec677222bc5c5df76176, 4f01d09b2bbfbcb47b3eb305560a7f4857a32260 |
| Linux/Linuxgeneric | 2.6.33 | Not reported |
Published upstream
Feb 26, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 4, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 4, 2026
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.
Quoted source text, attributed separately from HOL analysis.