CVE-2022-49162
video: fbdev: sm712fb: Fix crash in smtcfb_write()
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
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.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
2.6.33
References 9
git.kernel.org
- stable/c/fb791514acf9070225eed46e1ccbb0aa7aae5da5
- stable/c/0ec746674296c94137f074309c26d17e644c0498
- stable/c/1aea36a62f0a0ad67eccc945bac0bd6422ef720f
- stable/c/3b36c05f68ba32d0dfb63abc9016d6fe9117829f
- stable/c/b1c28577529cdfad40c8242673285f1e1e4c314e
- stable/c/eae90015d10f0c9a47fc4adccba4cd79dce664e4
- stable/c/aeb635b49530b7d19e140949753409f759ba99be
- stable/c/809b8cde86320698661eec677222bc5c5df76176
- stable/c/4f01d09b2bbfbcb47b3eb305560a7f4857a32260