SUSE CVE-2023-53857

In the Linux kernel, the following vulnerability has been resolved: bpf: bpfskstorage: Fix invalid wait context lockdep report './testprogs -t testlocalstorage' reported a splat: 27.137569 ============================= 27.138122 BUG: Invalid wait context 27.138650 6.5.0-03980-gd11ae1b16b0a 247...

CVE-2023-53857

CVE-2023-53857: Linux kernel BPF local storage fix. The issue arises when a bpf local storage update path acquires a local_lock while a raw_spin_lock is held, potentially enabling an unsafe memory allocation context in tracing. The patch ensures kzalloc occurs before acquiring the lock (pre-raw_s...