USN-5759-2

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USN-5759-2

Summary: libbpf vulnerabilities

Details: USN-5759-1 fixed vulnerabilities in LibBPF. This update provides the corresponding updates for Ubuntu 20.04 ESM. Original advisory details: It was discovered that LibBPF incorrectly handled certain memory operations under certain circumstances. An attacker could possibly use this issue to cause LibBPF to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 22.10. (CVE-2021-45940, CVE-2021-45941, CVE-2022-3533) It was discovered that LibBPF incorrectly handled certain memory operations under certain circumstances. An attacker could possibly use this issue to cause LibBPF to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2022-3534, CVE-2022-3606)

References: https://ubuntu.com/security/notices/USN-5759-2, https://ubuntu.com/security/CVE-2022-3534, https://ubuntu.com/security/CVE-2022-3606