New Linux LPE Flaw in Kernels 5.10+ (ptrace_may_access mm-NULL + pidfd_getfd) (github.com)

• Local privilege escalation in Linux kernels ≥5.10
• Uses ptrace_may_access and pidfd_getfd
• Potential for root access by local attackers

"A new local privilege escalation vulnerability has been disclosed affecting Linux kernels from version 5.10 onward. It involves ptrace_may_access and pidfd_getfd, allowing a local attacker to gain elevated privileges. No patch or exploit details are available yet."