CVE-2026-93045

CVE-2026-93045 affects the Linux kernel BPF arena subsystem. The vulnerability resides in bpf_arena_free_pages() , which accepts scalar arena addresses and masks them to the low 32 bits before reconstructing a full user address. When the scalar value is below the low 32 bits of the arena base, th...

CVE-2026-93045 bpf: Reject arena frees below the arena base

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject arena frees below the arena base bpfarenafreepages accepts scalar arena addresses. The runtime masks the address to the low 32 bits and reconstructs a full user address from the arena base before returning the range t...

EUVD-2026-82155

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject arena frees below the arena base bpfarenafreepages accepts scalar arena addresses. The runtime masks the address to the low 32 bits and reconstructs a full user address from the arena base before returning the range t...

PT-2024-31331

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to the btrfs file system in the Linux kernel. When freeing a tree block, the function btrfs free tree block does not handle errors properly, leading to a BUG ON...