5.5

CVE-2022-49162

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

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version < 4.9.311
Linux ≫ Linux Kernel Version >= 4.10 < 4.14.276
Linux ≫ Linux Kernel Version >= 4.15 < 4.19.238
Linux ≫ Linux Kernel Version >= 4.20 < 5.4.189
Linux ≫ Linux Kernel Version >= 5.5 < 5.10.110
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.33
Linux ≫ Linux Kernel Version >= 5.16 < 5.16.19
Linux ≫ Linux Kernel Version >= 5.17 < 5.17.2
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.26% 0.172
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/0ec746674296c94137f074309c26d17e644c0498
Patch
https://git.kernel.org/stable/c/1aea36a62f0a0ad67eccc945bac0bd6422ef720f
Patch
https://git.kernel.org/stable/c/3b36c05f68ba32d0dfb63abc9016d6fe9117829f
Patch
https://git.kernel.org/stable/c/4f01d09b2bbfbcb47b3eb305560a7f4857a32260
Patch
https://git.kernel.org/stable/c/809b8cde86320698661eec677222bc5c5df76176
Patch
https://git.kernel.org/stable/c/aeb635b49530b7d19e140949753409f759ba99be
Patch
https://git.kernel.org/stable/c/b1c28577529cdfad40c8242673285f1e1e4c314e
Patch
https://git.kernel.org/stable/c/eae90015d10f0c9a47fc4adccba4cd79dce664e4
Patch
https://git.kernel.org/stable/c/fb791514acf9070225eed46e1ccbb0aa7aae5da5
Patch