{"id":"CVE-2022-49162","url":"https://www.cyber-defence.io/tools/cve/CVE-2022-49162","generatedAt":"2026-10-27T17:38:25.933Z","title":"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:…","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nvideo: fbdev: sm712fb: Fix crash in smtcfb_write()\n\nWhen the sm712fb driver writes three bytes to the framebuffer, the\ndriver will crash:\n\n    BUG: unable to handle page fault for address: ffffc90001ffffff\n    RIP: 0010:smtcfb_write+0x454/0x5b0\n    Call Trace:\n     vfs_write+0x291/0xd60\n     ? do_sys_openat2+0x27d/0x350\n     ? __fget_light+0x54/0x340\n     ksys_write+0xce/0x190\n     do_syscall_64+0x43/0x90\n     entry_SYSCALL_64_after_hwframe+0x44/0xae\n\nFix it by removing the open-coded endianness fixup-code.","published":"2025-02-26T07:00:53.000Z","lastModified":"2026-08-04T10:17:37.000Z","status":"Modified","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"cwe":[],"affected":["linux/linux kernel"],"epss":{"score":0.00289,"percentile":0.21293,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.29%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/0ec746674296c94137f074309c26d17e644c0498","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/1aea36a62f0a0ad67eccc945bac0bd6422ef720f","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3b36c05f68ba32d0dfb63abc9016d6fe9117829f","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4f01d09b2bbfbcb47b3eb305560a7f4857a32260","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/809b8cde86320698661eec677222bc5c5df76176","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/aeb635b49530b7d19e140949753409f759ba99be","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b1c28577529cdfad40c8242673285f1e1e4c314e","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/eae90015d10f0c9a47fc4adccba4cd79dce664e4","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/fb791514acf9070225eed46e1ccbb0aa7aae5da5","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-49162","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}