{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50099","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-06-18T10:57:27.412Z","datePublished":"2025-06-18T11:02:36.018Z","dateUpdated":"2026-05-11T19:12:48.844Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:12:48.844Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nvideo: fbdev: arkfb: Check the size of screen before memset_io()\n\nIn the function arkfb_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[  659.399066] BUG: unable to handle page fault for address: ffffc90003000000\n[  659.399077] #PF: supervisor write access in kernel mode\n[  659.399079] #PF: error_code(0x0002) - not-present page\n[  659.399094] RIP: 0010:memset_orig+0x33/0xb0\n[  659.399116] Call Trace:\n[  659.399122]  arkfb_set_par+0x143f/0x24c0\n[  659.399130]  fb_set_var+0x604/0xeb0\n[  659.399161]  do_fb_ioctl+0x234/0x670\n[  659.399189]  fb_ioctl+0xdd/0x130\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/arkfb.c"],"versions":[{"version":"681e14730c73cc2c71af282c001de6bc71c22f00","lessThan":"4a20c5510aa2c031a096a58deb356e91609781c9","status":"affected","versionType":"git"},{"version":"681e14730c73cc2c71af282c001de6bc71c22f00","lessThan":"352305ea50d682b8e081d826da53caf9e744d7d0","status":"affected","versionType":"git"},{"version":"681e14730c73cc2c71af282c001de6bc71c22f00","lessThan":"53198b81930e567ad6b879812d88052a1e8ac79e","status":"affected","versionType":"git"},{"version":"681e14730c73cc2c71af282c001de6bc71c22f00","lessThan":"09e733d6ac948e6fda4b16252e44ea46f98fc8b4","status":"affected","versionType":"git"},{"version":"681e14730c73cc2c71af282c001de6bc71c22f00","lessThan":"0701df594bc1d7ae55fed407fb65dd90a93f8a9c","status":"affected","versionType":"git"},{"version":"681e14730c73cc2c71af282c001de6bc71c22f00","lessThan":"8bcb1a06e3091716b7cbebe0e91d1de9895068cd","status":"affected","versionType":"git"},{"version":"681e14730c73cc2c71af282c001de6bc71c22f00","lessThan":"2ce61c39c2a0b8ec82f48e0f7136f0dac105ae75","status":"affected","versionType":"git"},{"version":"681e14730c73cc2c71af282c001de6bc71c22f00","lessThan":"96b550971c65d54d64728d8ba973487878a06454","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/arkfb.c"],"versions":[{"version":"2.6.22","status":"affected"},{"version":"0","lessThan":"2.6.22","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":"2.6.22","versionEndExcluding":"4.14.291"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.22","versionEndExcluding":"4.19.256"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.22","versionEndExcluding":"5.4.211"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.22","versionEndExcluding":"5.10.137"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.22","versionEndExcluding":"5.15.61"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.22","versionEndExcluding":"5.18.18"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.22","versionEndExcluding":"5.19.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.22","versionEndExcluding":"6.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/4a20c5510aa2c031a096a58deb356e91609781c9"},{"url":"https://git.kernel.org/stable/c/352305ea50d682b8e081d826da53caf9e744d7d0"},{"url":"https://git.kernel.org/stable/c/53198b81930e567ad6b879812d88052a1e8ac79e"},{"url":"https://git.kernel.org/stable/c/09e733d6ac948e6fda4b16252e44ea46f98fc8b4"},{"url":"https://git.kernel.org/stable/c/0701df594bc1d7ae55fed407fb65dd90a93f8a9c"},{"url":"https://git.kernel.org/stable/c/8bcb1a06e3091716b7cbebe0e91d1de9895068cd"},{"url":"https://git.kernel.org/stable/c/2ce61c39c2a0b8ec82f48e0f7136f0dac105ae75"},{"url":"https://git.kernel.org/stable/c/96b550971c65d54d64728d8ba973487878a06454"}],"title":"video: fbdev: arkfb: Check the size of screen before memset_io()","x_generator":{"engine":"bippy-1.2.0"}}}}