Sept. 6, 2023, 12:11 a.m. |

Ubuntu security notices ubuntu.com

Jordy Zomer and Alexandra Sandulescu discovered that syscalls invoking the
do_prlimit() function in the Linux kernel did not properly handle
speculative execution barriers. A local attacker could use this to expose
sensitive information (kernel memory). (CVE-2023-0458)

It was discovered that a use-after-free vulnerability existed in the IEEE
1394 (Firewire) implementation in the Linux kernel. A privileged attacker
could use this to cause a denial of service (system crash) or possibly
execute arbitrary code. (CVE-2023-3159)

It was discovered that the virtual …

attacker cve free function ieee implementation information kernel linux linux kernel local memory privileged sensitive sensitive information speculative execution syscalls use-after-free usn vulnerabilities vulnerability

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