parisc: Increase kernel stack size to 32kb

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Summary

CVECVE-2026-98917
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-23 13:17:12 UTC
Updated2026-10-26 07:17:17 UTC
DescriptionIn 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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected da57c5414f49ef9e4bcb9ae0bbafd1d650b31411 5023c70853ad9829c53d8e9def5ee969b4e1b931 git Not specified
CNA Linux Linux affected da57c5414f49ef9e4bcb9ae0bbafd1d650b31411 db45f02b7a5f753efc9003f616dfb5ee4cb6d077 git Not specified
CNA Linux Linux affected da57c5414f49ef9e4bcb9ae0bbafd1d650b31411 94b7e3a7e871ae27d4935c76959dfc61829f27f9 git Not specified
CNA Linux Linux affected ae3471f65a04451f3670cbde6c59e384cca44dc8 git Not specified
CNA Linux Linux affected 4.14.24 4.15 semver Not specified
CNA Linux Linux affected 4.15 Not specified
CNA Linux Linux unaffected 4.15 semver Not specified
CNA Linux Linux unaffected 6.18.55 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.9 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/db45f02b7a5f753efc9003f616dfb5ee4cb6d077 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/5023c70853ad9829c53d8e9def5ee969b4e1b931 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/94b7e3a7e871ae27d4935c76959dfc61829f27f9 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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