These vulnerabilities could allow a local attacker to cause a denial of service (system crash) or execute arbitrary code. The most critical one is CVE-2022-4379, a use-after-free vulnerability discovered in the NFSD implementation that could allow a remote attacker to cause a denial of service (system crash) or execute arbitrary code.Īlso patched are CVE-2023-0461, a use-after-free vulnerability discovered in the Upper Level Protocol (ULP) subsystem, CVE-2023-0179, a flaw discovered by Davide Ornaghi in the netfilter subsystem, CVE-2022-3545, a use-after-free vulnerability discovered in the Netronome Ethernet driver, CVE-2022-4139, a flaw found in the Intel i915 graphics driver. Of the 17 security vulnerabilities patched by these new kernel updates, 14 of them affect all the Ubuntu systems mentioned above. Canonical released new Linux kernel security updates for Ubuntu 22.10, Ubuntu 22.04 LTS, and Ubuntu 20.04 LTS systems running Linux kernel 5.19 or Linux kernel 5.15 LTS to address up to 17 security vulnerabilities.Ĭoming three weeks after the previous Ubuntu kernel security updates, the new ones are here for Ubuntu 22.10 (Kinetic Kudu) and Ubuntu 22.04 LTS (Jammy Jellyfish) systems running Linux kernel 5.19, as well as Ubuntu 22.04 LTS (Jammy Jellyfish) and Ubuntu 20.04 LTS (Focal Fossa) systems running Linux kernel 5.15 LTS.
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