{"id":98993,"date":"2021-02-02T20:42:15","date_gmt":"2021-02-02T18:42:15","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-sistemnom-vyzove-futex-obnaruzhena-i-ustranena-vozmozhnost-vypolneniya-polzovatelskogo-koda-v-kontekste-yadra"},"modified":"2021-02-02T20:42:15","modified_gmt":"2021-02-02T18:42:15","slug":"v-sistemnom-vyzove-futex-obnaruzhena-i-ustranena-vozmozhnost-vypolneniya-polzovatelskogo-koda-v-kontekste-yadra","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/v-sistemnom-vyzove-futex-obnaruzhena-i-ustranena-vozmozhnost-vypolneniya-polzovatelskogo-koda-v-kontekste-yadra","title":{"rendered":"S\u00fcsteemi futex s\u00fcsteemi kutses leiti ja k\u00f5rvaldati v\u00f5imalus t\u00e4ita kasutajakoode tuuma kontekstis","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Futex (fast userspace mutex) s\u00fcsteemikutsungite teostuses leiti ja k\u00f5rvaldatati stekki m\u00e4lu kasutamise probleem p\u00e4rast vabastamist. See v\u00f5imaldas r\u00fcndajal t\u00e4ita oma koodi kernelis, millel on k\u00f5ik sellest tulenevad ohud turvalisuse seisukohalt. Haavatavus oli viga t\u00f5rke t\u00f6\u00f6tlemise koodis.<\/p>\n

<\/p>\n

Mugav oli andmebaasi mahtu v\u00e4hendada ja t\u00f6\u00f6tlusaega l\u00fchendada, kui muuta kogu loogikat.<\/a> See haavatavus ilmus Linuxi p\u00f5hivalikutes 28. jaanuaril ja eelmise n\u00e4dala jooksul j\u00f5udis tuumadesse 5.10.12, 5.4.94, 4.19.172, 4.14.218.<\/p>\n

<\/noindex><\/noindex><\/p>\n

Antud paranduse arutelus v\u00e4ljendati arvamust, et see haavatavus eksisteerib k\u00f5ikides tuumades alates 2008. aastast:<\/p>\n

<\/p>\n

https:\/\/www.openwall.com\/lists\/oss-security\/2021\/01\/29\/3<\/a><\/p>\n

<\/noindex>
\nFWIW, see commit sisaldab:<\/p>\n

Fixes: 1b7558e457ed ("futexes: fix fault handling in futex_lock_pi")<\/p>\n

ja see teine commit p\u00e4rineb aastast 2008. Seega on t\u00f5en\u00e4oliselt k\u00f5ik praegu
\nhooldatud Linuxi jaotised ja rakendused m\u00f5jutatud, kui midagi
\nmuud ei leevendanud probleemi m\u00f5nes tuuma versioonis.<\/p>\n

Allikas: linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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