CVE-2021-47303

In the Linux kernel, the following vulnerability has been resolved: bpf: Track subprog poke descriptors correctly and fix use-after-free Subprograms are calling mappoketrack, but on program release there is no hook to call mappokeuntrack. However, on program release, the aux memory and poke...

CVE-2021-47303 bpf: Track subprog poke descriptors correctly and fix use-after-free

In the Linux kernel, the following vulnerability has been resolved: bpf: Track subprog poke descriptors correctly and fix use-after-free Subprograms are calling mappoketrack, but on program release there is no hook to call mappokeuntrack. However, on program release, the aux memory and poke...

PT-2024-11304 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 5.12.0+ Description: A use-after-free vulnerability has been identified in the Linux kernel, specifically in the bpf Berkeley Packet Filter subsystem. The issue arises when subprograms call map poke track but fa...