CVE-2022-49162

video: fbdev: sm712fb: Fix crash in smtcfb_write()

HIGH 7.8

At a glance

Source
NVD
EPSS
EPSS 0.29 % · percentile 21 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Modified

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.

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLinux
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected d7edf47947f9d921be6ca5fc8e83049124466f98 < fb791514acf9070225eed46e1ccbb0aa7aae5da5 ; affected d7edf47947f9d921be6ca5fc8e83049124466f98 < 0ec746674296c94137f074309c26d17e644c0498 ; affected d7edf47947f9d921be6ca5fc8e83049124466f98 < 1aea36a62f0a0ad67eccc945bac0bd6422ef720f ; affected d7edf47947f9d921be6ca5fc8e83049124466f98 < 3b36c05f68ba32d0dfb63abc9016d6fe9117829f ; affected d7edf47947f9d921be6ca5fc8e83049124466f98 < b1c28577529cdfad40c8242673285f1e1e4c314e ; affected d7edf47947f9d921be6ca5fc8e83049124466f98 < eae90015d10f0c9a47fc4adccba4cd79dce664e4
Linux · Linuxaffected 2.6.33 ; unaffected 0 < 2.6.33 ; unaffected 4.9.311 ≤ 4.9.* ; unaffected 4.14.276 ≤ 4.14.* ; unaffected 4.19.238 ≤ 4.19.* ; unaffected 5.4.189 ≤ 5.4.*

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD