CVE-2022-49162

Source
https://cve.org/CVERecord?id=CVE-2022-49162
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49162.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2022-49162
Downstream
Related
Published
2025-02-26T01:55:23.548Z
Modified
2026-04-11T12:43:39.458205Z
Summary
video: fbdev: sm712fb: Fix crash in smtcfb_write()
Details

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.

Database specific
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49162.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
d7edf47947f9d921be6ca5fc8e83049124466f98
Fixed
fb791514acf9070225eed46e1ccbb0aa7aae5da5
Fixed
0ec746674296c94137f074309c26d17e644c0498
Fixed
1aea36a62f0a0ad67eccc945bac0bd6422ef720f
Fixed
3b36c05f68ba32d0dfb63abc9016d6fe9117829f
Fixed
b1c28577529cdfad40c8242673285f1e1e4c314e
Fixed
eae90015d10f0c9a47fc4adccba4cd79dce664e4
Fixed
aeb635b49530b7d19e140949753409f759ba99be
Fixed
809b8cde86320698661eec677222bc5c5df76176
Fixed
4f01d09b2bbfbcb47b3eb305560a7f4857a32260

Database specific

source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49162.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
2.6.33
Fixed
4.9.311
Type
ECOSYSTEM
Events
Introduced
4.10.0
Fixed
4.14.276
Type
ECOSYSTEM
Events
Introduced
4.15.0
Fixed
4.19.238
Type
ECOSYSTEM
Events
Introduced
4.20.0
Fixed
5.4.189
Type
ECOSYSTEM
Events
Introduced
5.5.0
Fixed
5.10.110
Type
ECOSYSTEM
Events
Introduced
5.11.0
Fixed
5.15.33
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
5.16.19
Type
ECOSYSTEM
Events
Introduced
5.17.0
Fixed
5.17.2

Database specific

source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49162.json"