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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
d7edf47947f9d921be6ca5fc8e83049124466f98 to < fb791514acf9070225eed46e1ccbb0aa7aae5da5affectedd7edf47947f9d921be6ca5fc8e83049124466f98 to < 0ec746674296c94137f074309c26d17e644c0498affectedd7edf47947f9d921be6ca5fc8e83049124466f98 to < 1aea36a62f0a0ad67eccc945bac0bd6422ef720faffectedd7edf47947f9d921be6ca5fc8e83049124466f98 to < 3b36c05f68ba32d0dfb63abc9016d6fe9117829faffectedd7edf47947f9d921be6ca5fc8e83049124466f98 to < b1c28577529cdfad40c8242673285f1e1e4c314eaffectedd7edf47947f9d921be6ca5fc8e83049124466f98 to < eae90015d10f0c9a47fc4adccba4cd79dce664e4affectedd7edf47947f9d921be6ca5fc8e83049124466f98 to < aeb635b49530b7d19e140949753409f759ba99beaffectedd7edf47947f9d921be6ca5fc8e83049124466f98 to < 809b8cde86320698661eec677222bc5c5df76176affectedd7edf47947f9d921be6ca5fc8e83049124466f98 to < 4f01d09b2bbfbcb47b3eb305560a7f4857a32260affected
Linux Linux
Default version status: affected
2.6.33affected0 to < 2.6.33unaffected4.9.311 to ≤ 4.9.*unaffected4.14.276 to ≤ 4.14.*unaffected4.19.238 to ≤ 4.19.*unaffected5.4.189 to ≤ 5.4.*unaffected5.10.110 to ≤ 5.10.*unaffected5.15.33 to ≤ 5.15.*unaffected5.16.19 to ≤ 5.16.*unaffected5.17.2 to ≤ 5.17.*unaffected5.18 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/fb791514acf9070225eed46e1ccbb0aa7aae5da5 ↗
- https://git.kernel.org/stable/c/0ec746674296c94137f074309c26d17e644c0498 ↗
- https://git.kernel.org/stable/c/1aea36a62f0a0ad67eccc945bac0bd6422ef720f ↗
- https://git.kernel.org/stable/c/3b36c05f68ba32d0dfb63abc9016d6fe9117829f ↗
- https://git.kernel.org/stable/c/b1c28577529cdfad40c8242673285f1e1e4c314e ↗
- https://git.kernel.org/stable/c/eae90015d10f0c9a47fc4adccba4cd79dce664e4 ↗
- https://git.kernel.org/stable/c/aeb635b49530b7d19e140949753409f759ba99be ↗
- https://git.kernel.org/stable/c/809b8cde86320698661eec677222bc5c5df76176 ↗
- https://git.kernel.org/stable/c/4f01d09b2bbfbcb47b3eb305560a7f4857a32260 ↗