{"id":5162,"date":"2026-04-05T13:49:35","date_gmt":"2026-04-05T10:49:35","guid":{"rendered":"https:\/\/dbsnewsmedia.com\/?p=5162"},"modified":"2026-04-05T13:49:35","modified_gmt":"2026-04-05T10:49:35","slug":"teknoloji-devinde-alarm-nvidiada-guvenlik-sorunu","status":"publish","type":"post","link":"https:\/\/dbsnewsmedia.com\/?p=5162","title":{"rendered":"Teknoloji Devinde Alarm: NVIDIA\u2019da G\u00fcvenlik Sorunu"},"content":{"rendered":"\n

NVIDIA ekran kartlar\u0131nda kullan\u0131lan GDDR belleklerin, yakla\u015f\u0131k 10 y\u0131ld\u0131r bilinen Rowhammer g\u00fcvenlik a\u00e7\u0131\u011f\u0131na kar\u015f\u0131 savunmas\u0131z olabilece\u011fi ortaya \u00e7\u0131kt\u0131. S\u00f6z konusu a\u00e7\u0131k, sistem genelinde ciddi g\u00fcvenlik riskleri olu\u015fturabiliyor.<\/strong><\/p>\n\n\n\n

On y\u0131l\u0131 a\u015fk\u0131n s\u00fcredir bilinen Rowhammer g\u00fcvenlik a\u00e7\u0131\u011f\u0131<\/strong>, art\u0131k NVIDIA ekran kartlar\u0131n\u0131 do\u011frudan hedef al\u0131yor. Ars Technica\u2019n\u0131n yay\u0131nlad\u0131\u011f\u0131 rapora g\u00f6re, donan\u0131m bile\u015fenlerindeki bu a\u00e7\u0131k\u00a0oyuncu ekran kartlar\u0131nda yer alan GDDR bellekleri<\/strong>\u00a0etkilemeye ba\u015flad\u0131. \u0130\u015flemcilerde g\u00f6rmeye al\u0131\u015fk\u0131n oldu\u011fumuz sistem a\u00e7\u0131klar\u0131n\u0131n ekran kartlar\u0131nda ya\u015fanmas\u0131 olduk\u00e7a nadir bir durum. \u00d6nceden sadece DDR sistem bellekleriyle s\u0131n\u0131rl\u0131 olan bu sald\u0131r\u0131 t\u00fcr\u00fc, art\u0131k geni\u015f oyuncu kitlesini de yak\u0131ndan ilgilendiriyor.<\/p>\n\n\n\n

NVIDIA Kullan\u0131c\u0131lar\u0131na Uyar\u0131: Rowhammer A\u00e7\u0131\u011f\u0131 G\u00fcndemde<\/h2>\n\n\n\n

Yap\u0131lan ara\u015ft\u0131rmalar, NVIDIA\u2019n\u0131n RTX 3060 ve RTX A6000 gibi Ampere mimarili ekran kartlar\u0131n\u0131n<\/strong> bu a\u00e7\u0131ktan etkilendi\u011fini kan\u0131tl\u0131yor. Rowhammer sald\u0131r\u0131lar\u0131, elektriksel m\u00fcdahale kullanarak ekran kart\u0131 i\u00e7indeki bellek yongalar\u0131n\u0131 manip\u00fcle etme<\/strong> mant\u0131\u011f\u0131yla \u00e7al\u0131\u015f\u0131yor. Sistem, hassas verilerin g\u00fcvenli bir alanda sakland\u0131\u011f\u0131n\u0131 zannederken asl\u0131nda t\u00fcm veriler sald\u0131rganlara a\u00e7\u0131k hale geliyor.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Sald\u0131r\u0131n\u0131n i\u015fleyi\u015fi olduk\u00e7a teknik ve tehlikeli ad\u0131mlara dayan\u0131yor. \u0130lk olarak\u00a0ekran kart\u0131 sayfa tablolar\u0131 bozularak<\/strong>\u00a0yetkisiz bir CUDA \u00e7ekirde\u011fine bellek \u00fczerinde rastgele okuma ve yazma izni sa\u011flan\u0131yor. Ard\u0131ndan NVIDIA s\u00fcr\u00fcc\u00fcs\u00fcndeki bellek g\u00fcvenli\u011fi hatalar\u0131 kullan\u0131l\u0131yor ve\u00a0IOMMU devre d\u0131\u015f\u0131 b\u0131rak\u0131lmadan t\u00fcm sistemde k\u00f6k (root) eri\u015fimi<\/strong>\u00a0sa\u011flan\u0131yor. Bu y\u00f6ntem, sald\u0131r\u0131y\u0131 \u00e7ok daha g\u00fc\u00e7l\u00fc bir tehdit haline getiriyor.<\/p>\n\n\n\n

Karma\u015f\u0131k yap\u0131s\u0131 sebebiyle\u00a0bu sald\u0131r\u0131 t\u00fcr\u00fcn\u00fcn hen\u00fcz oyuncular \u00fczerinde kullan\u0131ld\u0131\u011f\u0131na dair bir kay\u0131t bulunmuyor.<\/strong>\u00a0Bu nedenle son kullan\u0131c\u0131lar i\u00e7in mevcut g\u00fcvenlik tehdidi olduk\u00e7a d\u00fc\u015f\u00fck seviyede. Ancak yapay zeka i\u015flemleri i\u00e7in\u00a0bulut sistemlerini yo\u011fun olarak kullanan kurumsal \u015firketler \u00e7ok b\u00fcy\u00fck bir risk alt\u0131nda.<\/strong>\u00a0Ba\u015far\u0131l\u0131 bir s\u0131zma i\u015flemi, ayn\u0131 anda birden fazla kullan\u0131c\u0131y\u0131 tehlikeye atabiliyor.<\/p>\n\n\n\n

Rowhammer sald\u0131r\u0131lar\u0131n\u0131n GDDR bellekleri hedef ald\u0131\u011f\u0131 kesinle\u015fti\u011fine g\u00f6re, piyasadaki neredeyse b\u00fct\u00fcn oyuncu ekran kartlar\u0131n\u0131n bu g\u00fcvenlik a\u00e7\u0131\u011f\u0131na sahip olma ihtimali<\/strong> bulunuyor. Yeni nesil ekran kartlar\u0131na y\u00f6nelik hen\u00fcz bir sald\u0131r\u0131 vakas\u0131 ya\u015fanmad\u0131\u011f\u0131 i\u00e7in tam olarak ka\u00e7 kullan\u0131c\u0131n\u0131n etkilendi\u011fini bilmek imkans\u0131z. Peki siz ekran kartlar\u0131ndaki bu kritik g\u00fcvenlik a\u00e7\u0131\u011f\u0131 hakk\u0131nda ne d\u00fc\u015f\u00fcn\u00fcyorsunuz ve bilgisayar\u0131n\u0131zda hangi ekran kart\u0131 modelini kullan\u0131yorsunuz?<\/p>\n\n\n\n

05.04.2026 13:49<\/p>\n\n\n\n

Kaynak:https:\/\/shiftdelete.net\/nvidia-ekran-kartlarinda-guvenlik-acigi<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

NVIDIA ekran kartlar\u0131nda kullan\u0131lan GDDR belleklerin, yakla\u015f\u0131k 10 y\u0131ld\u0131r bilinen Rowhammer g\u00fcvenlik a\u00e7\u0131\u011f\u0131na kar\u015f\u0131 savunmas\u0131z olabilece\u011fi ortaya \u00e7\u0131kt\u0131. S\u00f6z konusu a\u00e7\u0131k, sistem genelinde ciddi g\u00fcvenlik riskleri olu\u015fturabiliyor. On y\u0131l\u0131 a\u015fk\u0131n s\u00fcredir bilinen Rowhammer g\u00fcvenlik a\u00e7\u0131\u011f\u0131, art\u0131k NVIDIA ekran kartlar\u0131n\u0131 do\u011frudan hedef al\u0131yor. Ars Technica\u2019n\u0131n yay\u0131nlad\u0131\u011f\u0131 rapora g\u00f6re, donan\u0131m bile\u015fenlerindeki bu a\u00e7\u0131k\u00a0oyuncu ekran kartlar\u0131nda yer alan…<\/p>\n","protected":false},"author":4,"featured_media":5164,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[7],"tags":[1702,1704,1703],"class_list":["post-5162","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-teknoloji","tag-ekran-karti","tag-guvenlik","tag-rowhammer"],"jetpack_featured_media_url":"https:\/\/dbsnewsmedia.com\/wp-content\/uploads\/2026\/04\/nvidia-ekran-kartlarinda-guvenlik-acigi.webp","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/dbsnewsmedia.com\/index.php?rest_route=\/wp\/v2\/posts\/5162","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dbsnewsmedia.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dbsnewsmedia.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dbsnewsmedia.com\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/dbsnewsmedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5162"}],"version-history":[{"count":1,"href":"https:\/\/dbsnewsmedia.com\/index.php?rest_route=\/wp\/v2\/posts\/5162\/revisions"}],"predecessor-version":[{"id":5165,"href":"https:\/\/dbsnewsmedia.com\/index.php?rest_route=\/wp\/v2\/posts\/5162\/revisions\/5165"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dbsnewsmedia.com\/index.php?rest_route=\/wp\/v2\/media\/5164"}],"wp:attachment":[{"href":"https:\/\/dbsnewsmedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5162"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dbsnewsmedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5162"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dbsnewsmedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5162"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}