Riskcovery

CVE-2026-98917

parisc: Increase kernel stack size to 32kb

State
Published
Severity
Not scored
Published
Oct 23, 2026
Updated
Oct 26, 2026
Reserved
Sep 25, 2026

Read the record on cve.org

Description

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

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • da57c5414f49ef9e4bcb9ae0bbafd1d650b31411 to before 5023c70853ad9829c53d8e9def5ee969b4e1b931Affected
  • da57c5414f49ef9e4bcb9ae0bbafd1d650b31411 to before db45f02b7a5f753efc9003f616dfb5ee4cb6d077Affected
  • da57c5414f49ef9e4bcb9ae0bbafd1d650b31411 to before 94b7e3a7e871ae27d4935c76959dfc61829f27f9Affected
  • ae3471f65a04451f3670cbde6c59e384cca44dc8Affected
  • 4.14.24 to before 4.15Affected
LinuxLinux
  • 4.15Affected
  • before 4.15Not affected
  • 6.18.55 through 6.18.*Not affected
  • 7.2.9 through 7.2.*Not affected
  • 7.3 and laterNot affected

References

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