CVE-2023-54086

In the Linux kernel, the following vulnerability has been resolved: bpf: Add preemptcountsub,add into btf id deny list The recursion check in bpfprogenter and bpfprogexit leave preemptcountsub,add unprotected. When attaching trampoline to them we get panic as follows, 867.843050 BUG: TASK stack...

CVE-2023-54086 bpf: Add preempt_count_{sub,add} into btf id deny list

In the Linux kernel, the following vulnerability has been resolved: bpf: Add preemptcountsub,add into btf id deny list The recursion check in bpfprogenter and bpfprogexit leave preemptcountsub,add unprotected. When attaching trampoline to them we get panic as follows, 867.843050 BUG: TASK stack...

CVE-2023-54086 bpf: Add preempt_count_{sub,add} into btf id deny list

In the Linux kernel, the following vulnerability has been resolved: bpf: Add preemptcountsub,add into btf id deny list The recursion check in bpfprogenter and bpfprogexit leave preemptcountsub,add unprotected. When attaching trampoline to them we get panic as follows, 867.843050 BUG: TASK stack...

PT-2025-53163

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.2.0 4 Description The Linux kernel contained a flaw related to the handling of recursion checks within the Berkeley Packet Filter BPF subsystem. Specifically, the preempt count sub,add functions were called aft...