Dec. 6, 2023, 2:59 p.m. |

Packet Storm packetstormsecurity.com

Ubuntu Security Notice 6532-1 - Tavis Ormandy discovered that some AMD processors did not properly handle speculative execution of certain vector register instructions. A local attacker could use this to expose sensitive information. Yu Hao discovered that the UBI driver in the Linux kernel did not properly check for MTD with zero erasesize during device attachment. A local privileged attacker could use this to cause a denial of service.

amd attachment attacker check device driver expose information kernel linux linux kernel local notice ormandy processors register security security notice sensitive sensitive information speculative execution tavis ormandy ubuntu usn

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