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비특권 로컬 사용자가 authencesn, AF_ALG, splice()를 연결해 읽기 가능한 파일의 페이지 캐시 4바이트 쓰기를 만들고, 이를 통해 root 권한까지 올릴 수 있음커널별 오프셋이나 레이스 조건 없이 732바이트 Python 스크립트 하나로 여러 Linux 배포판에서 그대로 동작하며, 같은 익스플로잇으로 root shell 획득이 가능함영향
news.hada.ioIn the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - Revert to operating out-of-place This mostly reverts commit 72548b093ee3 except for the copying of the associated data. There is no benefit in operating in-place in algif_aead since the source and destination come from different mappings. Get rid of all the complexity added for in-place operation and just copy the AD directly.
cve.akaoma.comJanuary brings a larger-than-of-late Patch Tuesday update out of Redmond, but an uptick in disclosures is often expected at this time of year.
www.computerweekly.comHotfix Mitigation Applied on BlueOnyx Servers
www.blueonyx.itUbuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things.
ubuntu.comIn the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - Revert to operating out-of-place This mostly reverts commit 72548b093ee3 except for the copying of the associated data. There is no benefit in operating in-place in algif_aead since the source and destination come from different mappings. Get rid of all the complexity added for in-place operation and just copy the AD directly. CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
feedly.com비특권 로컬 사용자가 authencesn, AF_ALG, splice()를 연결해 읽기 가능한 파일의 페이지 캐시 4바이트 쓰기를 만들고, 이를 통해 root 권한까지 올릴 수 있음커널별 오프셋이나 레이스 조건 없이 732바이트 Python 스크립트 하나로 여러 Linux 배포판에서 그대로 동작하며, 같은 익스플로잇으로 root shell 획득이 가능함영향
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