{"api_version":"1","generated_at":"2026-09-01T04:19:02+00:00","cve":"CVE-2026-80648","urls":{"html":"https://cve.report/CVE-2026-80648","api":"https://cve.report/api/cve/CVE-2026-80648.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-80648","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-80648"},"summary":{"title":"pinctrl: spacemit: fix NULL check in spacemit_pin_set_config","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npinctrl: spacemit: fix NULL check in spacemit_pin_set_config\n\nspacemit_pin_set_config() looks up the per-pin descriptor with\nspacemit_get_pin() then checks the wrong variable for failure:\n\n\tconst struct spacemit_pin *spin = spacemit_get_pin(pctrl, pin);\n\t...\n\tif (!pin)\n\t\treturn -EINVAL;\n\n\treg = spacemit_pin_to_reg(pctrl, spin->pin);\n\npin is an unsigned int pin id, where 0 (GPIO_0 / gmac0_rxdv on K3) is a\nvalid pin, so rejecting it here drops the PAD config write for the first\npin of every group. On K3 Pico-ITX the GMAC RGMII group lists pin 0 as\nits first entry, so its drive-strength / bias configuration was silently\nignored.\n\nThe intended guard is against spacemit_get_pin() returning NULL when the\npin id isn't in the SoC's pin table. Check spin instead, which both\nrestores PAD setup for pin 0 and prevents a NULL deref on spin->pin.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-28 08:16:49","updated_at":"2026-08-28 08:16:49"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/d3b53f0eda26e442ff97016ad4a0724db8fd3781","name":"https://git.kernel.org/stable/c/d3b53f0eda26e442ff97016ad4a0724db8fd3781","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/09c816e5c4d3a8d6d6e4b7537433e5e98505d934","name":"https://git.kernel.org/stable/c/09c816e5c4d3a8d6d6e4b7537433e5e98505d934","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7a551951ebeb5b3f05bdb04a73d4593869c984c4","name":"https://git.kernel.org/stable/c/7a551951ebeb5b3f05bdb04a73d4593869c984c4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80648","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80648","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a83c29e1d145cca5240952100acd1cd60f25fb5f 7a551951ebeb5b3f05bdb04a73d4593869c984c4 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a83c29e1d145cca5240952100acd1cd60f25fb5f d3b53f0eda26e442ff97016ad4a0724db8fd3781 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a83c29e1d145cca5240952100acd1cd60f25fb5f 09c816e5c4d3a8d6d6e4b7537433e5e98505d934 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.13","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.13 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.40 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"80648","cve":"CVE-2026-80648","epss":"0.001660000","percentile":"0.060840000","score_date":"2026-08-30","updated_at":"2026-08-31 00:14:06"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/pinctrl/spacemit/pinctrl-k1.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"7a551951ebeb5b3f05bdb04a73d4593869c984c4","status":"affected","version":"a83c29e1d145cca5240952100acd1cd60f25fb5f","versionType":"git"},{"lessThan":"d3b53f0eda26e442ff97016ad4a0724db8fd3781","status":"affected","version":"a83c29e1d145cca5240952100acd1cd60f25fb5f","versionType":"git"},{"lessThan":"09c816e5c4d3a8d6d6e4b7537433e5e98505d934","status":"affected","version":"a83c29e1d145cca5240952100acd1cd60f25fb5f","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/pinctrl/spacemit/pinctrl-k1.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.13"},{"lessThan":"6.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.40","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"6.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"6.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"6.13","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\npinctrl: spacemit: fix NULL check in spacemit_pin_set_config\n\nspacemit_pin_set_config() looks up the per-pin descriptor with\nspacemit_get_pin() then checks the wrong variable for failure:\n\n\tconst struct spacemit_pin *spin = spacemit_get_pin(pctrl, pin);\n\t...\n\tif (!pin)\n\t\treturn -EINVAL;\n\n\treg = spacemit_pin_to_reg(pctrl, spin->pin);\n\npin is an unsigned int pin id, where 0 (GPIO_0 / gmac0_rxdv on K3) is a\nvalid pin, so rejecting it here drops the PAD config write for the first\npin of every group. On K3 Pico-ITX the GMAC RGMII group lists pin 0 as\nits first entry, so its drive-strength / bias configuration was silently\nignored.\n\nThe intended guard is against spacemit_get_pin() returning NULL when the\npin id isn't in the SoC's pin table. Check spin instead, which both\nrestores PAD setup for pin 0 and prevents a NULL deref on spin->pin."}],"providerMetadata":{"dateUpdated":"2026-08-28T06:48:57.479Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/7a551951ebeb5b3f05bdb04a73d4593869c984c4"},{"url":"https://git.kernel.org/stable/c/d3b53f0eda26e442ff97016ad4a0724db8fd3781"},{"url":"https://git.kernel.org/stable/c/09c816e5c4d3a8d6d6e4b7537433e5e98505d934"}],"title":"pinctrl: spacemit: fix NULL check in spacemit_pin_set_config","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-80648","datePublished":"2026-08-28T06:48:57.479Z","dateReserved":"2026-08-26T14:34:25.779Z","dateUpdated":"2026-08-28T06:48:57.479Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-28 08:16:49","lastModifiedDate":"2026-08-28 08:16:49","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"80648","Ordinal":"1","Title":"pinctrl: spacemit: fix NULL check in spacemit_pin_set_config","CVE":"CVE-2026-80648","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"80648","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\npinctrl: spacemit: fix NULL check in spacemit_pin_set_config\n\nspacemit_pin_set_config() looks up the per-pin descriptor with\nspacemit_get_pin() then checks the wrong variable for failure:\n\n\tconst struct spacemit_pin *spin = spacemit_get_pin(pctrl, pin);\n\t...\n\tif (!pin)\n\t\treturn -EINVAL;\n\n\treg = spacemit_pin_to_reg(pctrl, spin->pin);\n\npin is an unsigned int pin id, where 0 (GPIO_0 / gmac0_rxdv on K3) is a\nvalid pin, so rejecting it here drops the PAD config write for the first\npin of every group. On K3 Pico-ITX the GMAC RGMII group lists pin 0 as\nits first entry, so its drive-strength / bias configuration was silently\nignored.\n\nThe intended guard is against spacemit_get_pin() returning NULL when the\npin id isn't in the SoC's pin table. Check spin instead, which both\nrestores PAD setup for pin 0 and prevents a NULL deref on spin->pin.","Type":"Description","Title":"pinctrl: spacemit: fix NULL check in spacemit_pin_set_config"}]}}}