Multiples vulnérabilités dans le noyau Linux d'Ubuntu (04 septembre 2026)

Multiple vulnerabilities have been discovered within the Linux kernel of Ubuntu. These vulnerabilities could allow an attacker to cause a security issue, the nature of which is not specified by the publisher. Ubuntu versions 18.04 ESM and 20.04 ESM are affected. Users should refer to the publisher's security notices for details on how to obtain and apply the necessary patches. The vulnerabilities are tracked under the following CVE identifiers: CVE-2021-47378, CVE-2025-27558, CVE-2026-23392, CVE-2026-31405, CVE-2026-31414, CVE-2026-31448, CVE-2026-31657, CVE-2026-31668, CVE-2026-31705, CVE-2026-43071, CVE-2026-43198, CVE-2026-43378, CVE-2026-43493, CVE-2026-43499, CVE-2026-46266, CVE-2026-46331, CVE-2026-52914, CVE-2026-52924, CVE-2026-52931, CVE-2026-52955, CVE-2026-52958, CVE-2026-52982, CVE-2026-52986, CVE-2026-52989, CVE-2026-52993, CVE-2026-52999, CVE-2026-53002, CVE-2026-53006, CVE-2026-53043, CVE-2026-53045, CVE-2026-53086, CVE-2026-53088, CVE-2026-53176, CVE-2026-53212, CVE-2026-53215, CVE-2026-53224, CVE-2026-53225, CVE-2026-53228, CVE-2026-53246, CVE-2026-53309, CVE-2026-53359, and CVE-2026-64531. Users are advised to consult the Ubuntu security notices (https://ubuntu.com/security/notices/USN-8661-4, https://ubuntu.com/security/notices/USN-8714-1, https://ubuntu.com/security/notices/USN-8715-1) for detailed information on how to apply the necessary security updates.