Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: NFSD: Protect against send buffer overflow in NFSv2 READ CVE-2022-50410 In the Linux kernel, the following vulnerability has been resolved: icmp6: Fix null-ptr-deref of ip6nullentry-rt6iidev in icmp6dev...

Important: kernel-livepatch-5.10.233-224.894

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: nfsd: clear aclaccess/acldefault after releasing them CVE-2025-21796 Affected Packages: kernel-livepatch-5.10.233-224.894 Issue Correction: Please ensure you have live patching enabled. Run yum update...

CVE-2025-21851

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix softlockup in arenamapfree on 64k page kernel On an aarch64 kernel with CONFIGPAGESIZE64KB=y, arenahtab tests cause a segmentation fault and soft lockup. The same failure is not observed with 4k pages on aarch64. It turn...

CVE-2025-21851 bpf: Fix softlockup in arena_map_free on 64k page kernel

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix softlockup in arenamapfree on 64k page kernel On an aarch64 kernel with CONFIGPAGESIZE64KB=y, arenahtab tests cause a segmentation fault and soft lockup. The same failure is not observed with 4k pages on aarch64. It turn...

CVE-2025-21851

CVE-2025-21851 — Linux kernel (ARM64 64KB pages) The issue caused segmentation faults and soft lockups on aarch64 kernels with 64KB page size when arena_htab tests ran. Root cause: arena_map_free() can pass an unaligned address to apply_to_pte_range() via bpf_arena_get_kern_vm_start() if the addr...