Subject x86/mm/pat: acquire mmap lock on page table free to avoid ptdump UAF
Author ljs@kernel.org
Date 2026-07-10 11:56:40 +0000 UTC
Version
Cc akpm@linux-foundation.org bp@alien8.de bpf@vger.kernel.org dave.hansen@linux.intel.com david@kernel.org devnexen@gmail.com hpa@zytor.com kas@kernel.org liam@infradead.org linux-kernel@vger.kernel.org linux-mm@kvack.org ljs@kernel.org luto@kernel.org mingo@redhat.com peterz@infradead.org rppt@kernel.org stable@vger.kernel.org tglx@kernel.org vbabka@kernel.org x86@kernel.org
Patches (1)
Name Content [All]
[PATCH] x86/mm/pat: acquire mmap lock on page table free to avoid ptdump UAF [Body]
Session 2026-07-10
ID (for dev) 3bc30c9e-875a-43bb-8f8b-88b9962039bb
Status finished
Triaged OK [Log] [Trajectory]
Execution Log [Link]
Test Base Patched Verdict
[KASAN] Build Base a635d6748234582ea287c5ffeae28b9b23f91c7e [Config] passed [Log]
[KASAN] Boot test: Base a635d6748234582ea287c5ffeae28b9b23f91c7e [Config] passed [Log]
[KASAN] Build Patched a635d6748234582ea287c5ffeae28b9b23f91c7e [Config] [patched] passed [Log]
[KASAN] Boot test: Patched a635d6748234582ea287c5ffeae28b9b23f91c7e [Config] [patched] passed [Log]
[KASAN] Fuzz a635d6748234582ea287c5ffeae28b9b23f91c7e [Config] a635d6748234582ea287c5ffeae28b9b23f91c7e [Config] [patched] passed [Log] [Artifacts]