Dec. 7, 2023, 2:16 p.m. |

Packet Storm packetstormsecurity.com

Ubuntu Security Notice 6537-1 - 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. Lucas Leong discovered that the netfilter subsystem in the Linux kernel did not properly validate some attributes passed from userspace. A local attacker could use this to cause a denial of service or possibly expose sensitive information.

attachment attacker check denial of service device driver kernel linux linux kernel local netfilter notice privileged security security notice service subsystem ubuntu usn

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