Fixed
Created: Nov 12, 2025
Updated: Nov 25, 2025
Resolved Date: Nov 24, 2025
Found In Version: 10.25.33.1
Fix Version: 10.25.33.3
Severity: Standard
Applicable for: Wind River Linux LTS 25
Component/s: Kernel
In the Linux kernel, the following vulnerability has been resolved:[EOL][EOL]iommu/vt-d: debugfs: Fix legacy mode page table dump logic[EOL][EOL]In legacy mode, SSPTPTR is ignored if TT is not 00b or 01b. SSPTPTR[EOL]maybe uninitialized or zero in that case and may cause oops like:[EOL][EOL] Oops: general protection fault, probably for non-canonical address[EOL] 0xf00087d3f000f000: 0000 [#1] SMP NOPTI[EOL] CPU: 2 UID: 0 PID: 786 Comm: cat Not tainted 6.16.0 #191 PREEMPT(voluntary)[EOL] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.17.0-5.fc42 04/01/2014[EOL] RIP: 0010:pgtable_walk_level+0x98/0x150[EOL] RSP: 0018:ffffc90000f279c0 EFLAGS: 00010206[EOL] RAX: 0000000040000000 RBX: ffffc90000f27ab0 RCX: 000000000000001e[EOL] RDX: 0000000000000003 RSI: f00087d3f000f000 RDI: f00087d3f0010000[EOL] RBP: ffffc90000f27a00 R08: ffffc90000f27a98 R09: 0000000000000002[EOL] R10: 0000000000000000 R11: 0000000000000000 R12: f00087d3f000f000[EOL] R13: 0000000000000000 R14: 0000000040000000 R15: ffffc90000f27a98[EOL] FS: 0000764566dcb740(0000) GS:ffff8881f812c000(0000) knlGS:0000000000000000[EOL] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033[EOL] CR2: 0000764566d44000 CR3: 0000000109d81003 CR4: 0000000000772ef0[EOL] PKRU: 55555554[EOL] Call Trace:[EOL] <TASK>[EOL] pgtable_walk_level+0x88/0x150[EOL] domain_translation_struct_show.isra.0+0x2d9/0x300[EOL] dev_domain_translation_struct_show+0x20/0x40[EOL] seq_read_iter+0x12d/0x490[EOL]...[EOL][EOL]Avoid walking the page table if TT is not 00b or 01b.
