Kwaro na Linux ya bar mu ga fuskantar hari ta hanyar Wi-Fi

Kwaro a cikin WiFi da Realtek

A cewar wani mai bincike kan tsaro, babban injiniya a Github, akwai bug a cikin Linux hakan na iya ba da damar na'urori da ke kusa da mu su yi amfani da siginar WiFi don toshewa ko kuma daidaita kayan aiki masu rauni. Launin tsaro yana nan a cikin direban RTLWIFI, wanda aka yi amfani da shi don tallafawa kwakwalwan Realtek WiFi a cikin na'urorin da ke gudanar da tsarin aiki na Linux. Mafi mahimmanci, ba lallai bane muyi komai don mai amfani da cutarwa don amfani da yanayin rashin lafiyar, kawai cika wasu buƙatu.

Kwaro yana haifar da wuce gona da iri a cikin kernel na Linux lokacin da kwamfutar da ke da guntu na Realtek WiFi ke cikin kewayon kayan aiki mai cutarwa. A mafi kyawun yanayin, amfani zai haifar da tsarin aiki, amma hakan na iya ba maharin damar samun cikakken iko da kwamfutar. A ka'ida. Abu mafi damuwa shine cewa kuskuren ba'a gyara shi ba tunda an gano shi a shekarar 2013, lokacin da mafi kwafin kwaya shine Linux 3.10.1.

Wani kwaro da ke cikin Linux tun 2013

Ana bin ƙwaron ƙwaro a ƙarƙashin suna CVE-2019-17666 kuma, bayan shekaru shida, ya riga ya zama ya gabatar faci don gyara shi, ranar Laraba da ta gabata ya zama daidai. Ana sa ran cewa ya ce facin za a haɗa shi cikin kernel na Linux a cikin fewan kwanaki masu zuwa, amma ba su bayyana karara ba idan wannan yana nufin cewa za a gyara kwaron ne tare da ƙaddamar da Linux 5.4 Zai faru a ƙarshen Nuwamba ko farkon Disamba.

Amma idan wani ya damu da wannan aibun, to akwai yiwuwar ba a dauke shi da muhimmanci ba saboda wani dalili: Nico Waisman, mai bincike kan tsaro, ya ce har yanzu bai sami hujja ba a cikin abin da ake amfani da rauni don aiwatar da lambar ƙeta, don haka har yanzu suna magana ne game da wani abu na ka'ida. A gefe guda, Waisman ya ce «gazawar tayi tsanani“Don haka ya fi kyau a dakatar da shi kafin wani ya samu daga ka'idar yin aiki.

“Har yanzu ina kan aikin gona, kuma tabbas zai… dauki lokaci (tabbas, ba zai yiwu ba). A takarda, ambaliya ce ta kamata amfani. A mafi munin, ƙin yarda da sabis ne; mafi kyawun yanayin, kuna samun harsashi. '

Na'urori tare da guntu na Realtek ne kawai abin ya shafa

Ularfafawa zai iya kunnawa lokacin da na'urar da abin ya shafa ke cikin radius daga wata muguwar cuta, muddin aka kunna WiFi, kuma baya buƙatar mu'amala daga mai amfani na ƙarshe, ma'ana, mu. Muguwar na'urar tana amfani da yanayin rauni ta amfani da sigar ajiyar wutar lantarki da aka sani da "Sanarwar Rashin Lafiya" wanda ya haɗa da Wi-Fi Direct, mizanin da ke bawa na'urori biyu damar haɗawa ta hanyar WiFi ba tare da buƙatar hanyar isa ba. Harin zai yi aiki idan aka saka abubuwa na musamman na dillalai zuwa tashoshin WiFi. Lokacin da na'ura mai rauni ta karɓe su, hakan yana haifar da obalodi na ɓoyayyen kernel.

Wannan kwaro yana shafar na'urorin da suke amfani da shi kawai Tsarin Linux aiki da guntu na Realtek lokacin da WiFi ke kunne. Idan muka yi amfani da guntun Wi-Fi daga wani kamfani ko kuma muka kashe shi, wani abu da ke da ƙima idan muka haɗa ta Ethernet kawai kuma ba mu da wasu kayan aikin da za mu iya sadarwa da su ta hanyar sadarwa ɗaya, ba za su iya ba don kunna lahani da obalodi.

A yanzu haka, babu wani daga Realtek ko Google da ya zo da wata sanarwa da za ta iya tabbatar mana (ko damu damu), don haka ba a san ainihin rashin nasarar ba. Abin sani kawai shine shekaru shida yana da tsayi don yanayin rauni da ke cikin kwayar Linux. Dole ne a magance wannan da wancan kuskuren tsaron da za a iya amfani da su daga nesa da wuri-wuri, don haka nan ba da jimawa ba za a samu wani sabon sigar na direban Realtek na Linux wanda zai gyara wannan matsalar. Da fatan an jima.


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