Linux Kernel Heap Buffer Overflow DoS

The vulnerability of the archfreebpftrampoline and archpreparebpftrampoline functions in the Linux operating system’s kernel is related to resource management errors. Exploiting this vulnerability can allow an attacker to cause a service failure...

CVE-2024-43840

In the Linux kernel, the following vulnerability has been resolved: bpf, arm64: Fix trampoline for BPFTRAMPFCALLORIG When BPFTRAMPFCALLORIG is set, the trampoline calls bpftrampenter and bpftrampexit functions, passing them the struct bpftrampimage im pointer as an argument in R0. The trampoline...

CVE-2024-43840

CVE-2024-43840 – Linux kernel (arm64, BPF trampoline) : The trampoline code for BPF_TRAMP_F_CALL_ORIG incorrectly used emit_addr_mov_i64(), assuming the bpf_tramp_image address resides in vmalloc() space with 48-bit handling. If the address exceeds 48 bits (e.g., kzalloc’d bpf_tramp_image), the t...