USN-8630-1: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- x86 architecture;
- InfiniBand drivers;
- Network drivers;
- Mellanox network drivers;
- File systems infrastructure;
- IPv4 networking;
- Network traffic control;
- TCP network protocol;
- B.A.T.M.A.N. meshing protocol;
- IPv6 networking;
- Multipath TCP;
- Netfilter;
- RxRPC session sockets;
- SCTP protocol;
- SMC sockets;
(CVE-2026-43083, CVE-2026-43197, CVE-2026-43198, CVE-2026-43465,
CVE-2026-46242, CVE-2026-46325, CVE-2026-46331, CVE-2026-52914,
CVE-2026-52924, CVE-2026-52931, CVE-2026-53151, CVE-2026-53176,
CVE-2026-53212, CVE-2026-53215, CVE-2026-53225, CVE-2026-53228,
CVE-2026-53359)