{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50097","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-06-18T10:57:27.411Z","datePublished":"2025-06-18T11:02:34.589Z","dateUpdated":"2026-05-11T19:12:46.563Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:12:46.563Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nvideo: fbdev: s3fb: Check the size of screen before memset_io()\n\nIn the function s3fb_set_par(), the value of 'screen_size' is\ncalculated by the user input. If the user provides the improper value,\nthe value of 'screen_size' may larger than 'info->screen_size', which\nmay cause the following bug:\n\n[   54.083733] BUG: unable to handle page fault for address: ffffc90003000000\n[   54.083742] #PF: supervisor write access in kernel mode\n[   54.083744] #PF: error_code(0x0002) - not-present page\n[   54.083760] RIP: 0010:memset_orig+0x33/0xb0\n[   54.083782] Call Trace:\n[   54.083788]  s3fb_set_par+0x1ec6/0x4040\n[   54.083806]  fb_set_var+0x604/0xeb0\n[   54.083836]  do_fb_ioctl+0x234/0x670\n\nFix the this by checking the value of 'screen_size' before memset_io()."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/video/fbdev/s3fb.c"],"versions":[{"version":"a268422de8bf1b4c0cb97987b6c329c9f6a3da4b","lessThan":"574912261528589012b61f82d368256247c3a5a8","status":"affected","versionType":"git"},{"version":"a268422de8bf1b4c0cb97987b6c329c9f6a3da4b","lessThan":"3c35a0dc2b4e7acf24c796043b64fa3eee799239","status":"affected","versionType":"git"},{"version":"a268422de8bf1b4c0cb97987b6c329c9f6a3da4b","lessThan":"eacb50f1733660911827d7c3720f4c5425d0cdda","status":"affected","versionType":"git"},{"version":"a268422de8bf1b4c0cb97987b6c329c9f6a3da4b","lessThan":"5e0da18956d38e7106664dc1d06367b22f06edd3","status":"affected","versionType":"git"},{"version":"a268422de8bf1b4c0cb97987b6c329c9f6a3da4b","lessThan":"ce50d94afcb8690813c5522f24cd38737657db81","status":"affected","versionType":"git"},{"version":"a268422de8bf1b4c0cb97987b6c329c9f6a3da4b","lessThan":"52461d387cc8c8f8dc40320caa2e9e101f73e7ba","status":"affected","versionType":"git"},{"version":"a268422de8bf1b4c0cb97987b6c329c9f6a3da4b","lessThan":"e2d7cacc6a2a1d77e7e20a492daf458a12cf19e0","status":"affected","versionType":"git"},{"version":"a268422de8bf1b4c0cb97987b6c329c9f6a3da4b","lessThan":"6ba592fa014f21f35a8ee8da4ca7b95a018f13e8","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/video/fbdev/s3fb.c"],"versions":[{"version":"2.6.21","status":"affected"},{"version":"0","lessThan":"2.6.21","status":"unaffected","versionType":"semver"},{"version":"4.14.291","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.256","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.211","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.137","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.61","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"5.18.18","lessThanOrEqual":"5.18.*","status":"unaffected","versionType":"semver"},{"version":"5.19.2","lessThanOrEqual":"5.19.*","status":"unaffected","versionType":"semver"},{"version":"6.0","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"4.14.291"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"4.19.256"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"5.4.211"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"5.10.137"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"5.15.61"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"5.18.18"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"5.19.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"6.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/574912261528589012b61f82d368256247c3a5a8"},{"url":"https://git.kernel.org/stable/c/3c35a0dc2b4e7acf24c796043b64fa3eee799239"},{"url":"https://git.kernel.org/stable/c/eacb50f1733660911827d7c3720f4c5425d0cdda"},{"url":"https://git.kernel.org/stable/c/5e0da18956d38e7106664dc1d06367b22f06edd3"},{"url":"https://git.kernel.org/stable/c/ce50d94afcb8690813c5522f24cd38737657db81"},{"url":"https://git.kernel.org/stable/c/52461d387cc8c8f8dc40320caa2e9e101f73e7ba"},{"url":"https://git.kernel.org/stable/c/e2d7cacc6a2a1d77e7e20a492daf458a12cf19e0"},{"url":"https://git.kernel.org/stable/c/6ba592fa014f21f35a8ee8da4ca7b95a018f13e8"}],"title":"video: fbdev: s3fb: Check the size of screen before memset_io()","x_generator":{"engine":"bippy-1.2.0"}}}}