{"api_version":"1","generated_at":"2026-10-23T15:16:39+00:00","cve":"CVE-2026-98917","urls":{"html":"https://cve.report/CVE-2026-98917","api":"https://cve.report/api/cve/CVE-2026-98917.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-98917","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-98917"},"summary":{"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":"PUBLISHED","assigner":"Linux","published_at":"2026-10-23 13:17:12","updated_at":"2026-10-23 13:17:12"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/db45f02b7a5f753efc9003f616dfb5ee4cb6d077","name":"https://git.kernel.org/stable/c/db45f02b7a5f753efc9003f616dfb5ee4cb6d077","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5023c70853ad9829c53d8e9def5ee969b4e1b931","name":"https://git.kernel.org/stable/c/5023c70853ad9829c53d8e9def5ee969b4e1b931","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/94b7e3a7e871ae27d4935c76959dfc61829f27f9","name":"https://git.kernel.org/stable/c/94b7e3a7e871ae27d4935c76959dfc61829f27f9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98917","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98917","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 5023c70853ad9829c53d8e9def5ee969b4e1b931 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 db45f02b7a5f753efc9003f616dfb5ee4cb6d077 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 94b7e3a7e871ae27d4935c76959dfc61829f27f9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.18.55 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7.2.9 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.55 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.9 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/parisc/include/asm/thread_info.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"5023c70853ad9829c53d8e9def5ee969b4e1b931","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"db45f02b7a5f753efc9003f616dfb5ee4cb6d077","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"94b7e3a7e871ae27d4935c76959dfc61829f27f9","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"6.18.55","status":"affected","version":"0","versionType":"semver"},{"lessThan":"7.2.9","status":"affected","version":"0","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["arch/parisc/include/asm/thread_info.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.55","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.9","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.55","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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"}],"providerMetadata":{"dateUpdated":"2026-10-23T12:05:00.184Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/5023c70853ad9829c53d8e9def5ee969b4e1b931"},{"url":"https://git.kernel.org/stable/c/db45f02b7a5f753efc9003f616dfb5ee4cb6d077"},{"url":"https://git.kernel.org/stable/c/94b7e3a7e871ae27d4935c76959dfc61829f27f9"}],"title":"parisc: Increase kernel stack size to 32kb","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-98917","datePublished":"2026-10-23T12:01:46.420Z","dateReserved":"2026-09-25T10:25:14.380Z","dateUpdated":"2026-10-23T12:05:00.184Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-23 13:17:12","lastModifiedDate":"2026-10-23 13:17:12","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"98917","Ordinal":"1","Title":"parisc: Increase kernel stack size to 32kb","CVE":"CVE-2026-98917","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"98917","Ordinal":"1","NoteData":"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","Type":"Description","Title":"parisc: Increase kernel stack size to 32kb"}]}}}