{"id":"DEBIAN-CVE-2022-50097","details":"In the Linux kernel, the following vulnerability has been resolved:  video: fbdev: s3fb: Check the size of screen before memset_io()  In the function s3fb_set_par(), the value of 'screen_size' is calculated by the user input. If the user provides the improper value, the value of 'screen_size' may larger than 'info-\u003escreen_size', which may cause the following bug:  [   54.083733] BUG: unable to handle page fault for address: ffffc90003000000 [   54.083742] #PF: supervisor write access in kernel mode [   54.083744] #PF: error_code(0x0002) - not-present page [   54.083760] RIP: 0010:memset_orig+0x33/0xb0 [   54.083782] Call Trace: [   54.083788]  s3fb_set_par+0x1ec6/0x4040 [   54.083806]  fb_set_var+0x604/0xeb0 [   54.083836]  do_fb_ioctl+0x234/0x670  Fix the this by checking the value of 'screen_size' before memset_io().","modified":"2026-09-01T16:05:34.273565122Z","published":"2025-06-18T11:15:38.963Z","upstream":["CVE-2022-50097"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2022-50097"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.2-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-50097.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.2-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-50097.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.2-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-50097.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}