{"id":"CVE-2026-98917","revision":"8730fc6ce6954869a05957898a7281fb","records":[{"revision":"8730fc6ce6954869a05957898a7281fb","observedAt":"2026-10-26T08:20:49.483+00:00","statement":{"source":"cve-program","id":"CVE-2026-98917","aliases":[],"title":"parisc: Increase kernel stack size to 32kb","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nparisc: Increase kernel stack size to 32kb\n\nFor 64-bit Linux kernels, increase the default kernel stack size\n(THREAD_SIZE_ORDER) to 32 kB, in order to avoid kernel crashes which have been\ntriggered recently when building the debian vtk9 package with gcc 17:\n\nstackcheck: kworker/u128:0 will most likely overflow kernel stack (sp:179a83af0, stk bottom-top:179a80000-179a84000)\nKernel panic - not syncing: low stack detected by irq handler - check messages\nCPU: 2 UID: 0 PID: 30760 Comm: kworker/u128:0 Tainted: G W 6.18.46-dirty #1 NONE\nTainted: [W]=WARN\nHardware name: 9000/800/rp3440\nWorkqueue: writeback wb_workfn (flush-259:0)\nBacktrace:\n [<000000004022f050>] show_stack+0x70/0x90\n [<000000004022378c>] dump_stack_lvl+0x124/0x190\n [<000000004022382c>] dump_stack+0x34/0x48\n [<000000004020212c>] vpanic+0x204/0x648\n [<00000000402025c4>] panic+0x54/0x58\n [<0000000040232230>] do_cpu_irq_mask+0x3f8/0x440\n [<0000000040227070>] intr_return+0x0/0xc","state":0,"publishedAt":"2026-10-23T12:01:46.42+00:00","modifiedAt":"2026-10-26T06:56:48.902+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"arch/parisc/include/asm/thread_info.h\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"da57c5414f49ef9e4bcb9ae0bbafd1d650b31411\",\n                            \"lessThan\": \"5023c70853ad9829c53d8e9def5ee969b4e1b931\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"da57c5414f49ef9e4bcb9ae0bbafd1d650b31411\",\n                            \"lessThan\": \"db45f02b7a5f753efc9003f616dfb5ee4cb6d077\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"da57c5414f49ef9e4bcb9ae0bbafd1d650b31411\",\n                            \"lessThan\": \"94b7e3a7e871ae27d4935c76959dfc61829f27f9\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"ae3471f65a04451f3670cbde6c59e384cca44dc8\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"4.14.24\",\n                            \"lessThan\": \"4.15\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"arch/parisc/include/asm/thread_info.h\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.15\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.15\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.55\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.9\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/5023c70853ad9829c53d8e9def5ee969b4e1b931","https://git.kernel.org/stable/c/db45f02b7a5f753efc9003f616dfb5ee4cb6d077","https://git.kernel.org/stable/c/94b7e3a7e871ae27d4935c76959dfc61829f27f9"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98917","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-98917","identifiers":["CVE-2026-98917"]},"retained":false,"historicalAffected":[]}],"coverage":[]}