Unscored severity · published Oct 23, 2026
CVE-2026-98917
parisc: Increase kernel stack size to 32kb
–
CVSS
0.2%
EPSS
No
On KEV
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
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 6% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Linux · Linux
da57c5414f49ef9e4bcb9ae0bbafd1d650b31411 before 5023c70853ad9829c53d8e9def5ee969b4e1b931; da57c5414f49ef9e4bcb9ae0bbafd1d650b31411 before db45f02b7a5f753efc9003f616dfb5ee4cb6d077; da57c5414f49ef9e4bcb9ae0bbafd1d650b31411 before 94b7e3a7e871ae27d4935c76959dfc61829f27f9; ae3471f65a04451f3670cbde6c59e384cca44dc8; 4.14.24 before 4.15; 4.15 · source: vendor
Affected product
LI
Linux
Linux
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