En drivrutin f\u00f6r Intel GPU (i915) har en s\u00e5rbarhet uppt\u00e4ckts (CVE-2022-4139) som kan leda till minneskorruption eller l\u00e4ckage av data fr\u00e5n k\u00e4rnminnet. Problemet uppst\u00e5r fr\u00e5n Linux-k\u00e4rnan 5.4 och p\u00e5verkar b\u00e5de integrerade och diskreta Intel GPU:er av 12:e generationen, inklusive serierna Tiger Lake, Rocket Lake, Alder Lake, DG1, Raptor Lake, DG2, Arctic Sound och Meteor Lake. <\/p>\n
Problemet orsakas av ett logiskt fel som g\u00f6r att videodrivrutinen felaktigt \u00e5terst\u00e4ller TLB-buffrar fr\u00e5n GPU-sidan p\u00e5 viss h\u00e5rdvara. I vissa fall skedde inte \u00e5terst\u00e4llningen av TLB alls. Felaktig \u00e5terst\u00e4llning av TLB-buffrar kan m\u00f6jligg\u00f6ra f\u00f6r processen att f\u00e5 tillg\u00e5ng till fysiska minnessidor som inte tillh\u00f6r den aktuella processen med hj\u00e4lp av GPU, vilket kan anv\u00e4ndas f\u00f6r att l\u00e4sa andras data eller skada minnet i en fr\u00e4mmande process. Det \u00e4r \u00e4nnu oklart om s\u00e5rbarheten kan anv\u00e4ndas f\u00f6r att avsiktligt skada minnet p\u00e5 \u00f6nskade adresser. \u0412 \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0435 GPU Intel (i915) \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2022-4139), \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u043f\u043e\u0432\u0440\u0435\u0436\u0434\u0435\u043d\u0438\u044e \u043f\u0430\u043c\u044f\u0442\u0438 \u0438\u043b\u0438 \u0443\u0442\u0435\u0447\u043a\u0435 \u0434\u0430\u043d\u043d\u044b\u0445 \u0438\u0437 \u043f\u0430\u043c\u044f\u0442\u0438 \u044f\u0434\u0440\u0430. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 \u044f\u0434\u0440\u0430 Linux 5.4 \u0438 \u0437\u0430\u0442\u0440\u0430\u0433\u0438\u0432\u0430\u0435\u0442 \u0438\u043d\u0442\u0435\u0433\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u0438 \u0434\u0438\u0441\u043a\u0440\u0435\u0442\u043d\u044b\u0435 GPU Intel 12 \u043f\u043e\u043a\u043e\u043b\u0435\u043d\u0438\u044f, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u0441\u0435\u043c\u0435\u0439\u0441\u0442\u0432\u0430 Tiger Lake, Rocket Lake, Alder Lake, DG1, Raptor Lake, DG2, Arctic Sound \u0438 Meteor Lake. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0432\u044b\u0437\u0432\u0430\u043d\u0430 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-105780","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47S\u00e5rbarhet i Intel GPU-drivrutin f\u00f6r Linux | ProHoster","description":"En drivrutin f\u00f6r Intel GPU (i915) har en s\u00e5rbarhet uppt\u00e4ckts (CVE-2022-4139) som kan leda till minneskorruption eller l\u00e4ckage av data fr\u00e5n 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(CVE-2022-4139), \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u043f\u043e\u0432\u0440\u0435\u0436\u0434\u0435\u043d\u0438\u044e \u043f\u0430\u043c\u044f\u0442\u0438 \u0438\u043b\u0438 \u0443\u0442\u0435\u0447\u043a\u0435 \u0434\u0430\u043d\u043d\u044b\u0445 \u0438\u0437 \u043f\u0430\u043c\u044f\u0442\u0438 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K\u00e4lla: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"