Oct. 4, 2023, 8:59 p.m. |

Ubuntu security notices ubuntu.com

Daniel Trujillo, Johannes Wikner, and Kaveh Razavi discovered that some AMD
processors utilising speculative execution and branch prediction may allow
unauthorised memory reads via a speculative side-channel attack. A local
attacker could use this to expose sensitive information, including kernel
memory. (CVE-2023-20569)

Ivan D Barrera, Christopher Bednarz, Mustafa Ismail, and Shiraz Saleem
discovered that the InfiniBand RDMA driver in the Linux kernel did not
properly check for zero-length STAG or MR registration. A remote attacker
could possibly use this to …

amd attack attacker channel cve daniel expose information kernel linux linux kernel local may memory oem prediction processors sensitive sensitive information side-channel side-channel attack speculative execution unauthorised usn vulnerabilities

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