CVE-2026-98917

In the Linux kernel, the following vulnerability has been resolved:

parisc: Increase kernel stack size to 32kb

For 64-bit Linux kernels, increase the default kernel stack size (THREAD SIZE ORDER) to 32 kB, in order to avoid kernel crashes which have been triggered recently when building the debian vtk9 package with gcc 17:

stackcheck: kworker/u128:0 will most likely overflow kernel stack (sp:179a83af0, stk bottom-top:179a80000-179a84000) Kernel panic - not syncing: low stack detected by irq handler - check messages CPU: 2 UID: 0 PID: 30760 Comm: kworker/u128:0 Tainted: G W 6.18.46-dirty #1 NONE Tainted: [W]=WARN Hardware name: 9000/800/rp3440 Workqueue: writeback wb workfn (flush-259:0) Backtrace: [<000000004022f050>] show stack+0x70/0x90 [<000000004022378c>] dump stack lvl+0x124/0x190 [<000000004022382c>] dump stack+0x34/0x48 [<000000004020212c>] vpanic+0x204/0x648 [<00000000402025c4>] panic+0x54/0x58 [<0000000040232230>] do cpu irq mask+0x3f8/0x440 [<0000000040227070>] intr return+0x0/0xc