CVE-2026-80648

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80648", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.779Z", "datePublished": "2026-08-28T06:48:57.479Z", "dateUpdated": "2026-08-28T06:48:57.479Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-28T06:48:57.479Z"}, "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/pinctrl/spacemit/pinctrl-k1.c"], "versions": [{"version": "a83c29e1d145cca5240952100acd1cd60f25fb5f", "lessThan": "7a551951ebeb5b3f05bdb04a73d4593869c984c4", "status": "affected", "versionType": "git"}, {"version": "a83c29e1d145cca5240952100acd1cd60f25fb5f", "lessThan": "d3b53f0eda26e442ff97016ad4a0724db8fd3781", "status": "affected", "versionType": "git"}, {"version": "a83c29e1d145cca5240952100acd1cd60f25fb5f", "lessThan": "09c816e5c4d3a8d6d6e4b7537433e5e98505d934", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/pinctrl/spacemit/pinctrl-k1.c"], "versions": [{"version": "6.13", "status": "affected"}, {"version": "0", "lessThan": "6.13", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.13", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.13", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.13", "versionEndExcluding": "7.2"}]}]}], "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"}}}}

{}

{"affected": [{"affectedData": [{"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"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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."}], "id": "CVE-2026-80648", "lastModified": "2026-08-28T08:16:49.800", "metrics": {}, "published": "2026-08-28T08:16:49.800", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/09c816e5c4d3a8d6d6e4b7537433e5e98505d934"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7a551951ebeb5b3f05bdb04a73d4593869c984c4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d3b53f0eda26e442ff97016ad4a0724db8fd3781"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: pinctrl: spacemit: fix NULL check in spacemit_pin_set_config", "id": "2525387", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2525387"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\npinctrl: spacemit: fix NULL check in spacemit_pin_set_config\nspacemit_pin_set_config() looks up the per-pin descriptor with\nspacemit_get_pin() then checks the wrong variable for failure:\nconst struct spacemit_pin *spin = spacemit_get_pin(pctrl, pin);\n...\nif (!pin)\nreturn -EINVAL;\nreg = spacemit_pin_to_reg(pctrl, spin->pin);\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.\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.", "A flaw was found in the `pinctrl` (pin controller) driver for SpacemiT systems in the Linux kernel. An incorrect NULL check in the `spacemit_pin_set_config()` function can lead to a NULL pointer dereference. This occurs when the system attempts to configure a pin that is not present in the SoC's pin table, potentially causing a system crash and resulting in a Denial of Service (DoS)."], "name": "CVE-2026-80648", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-80648\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-80648\nhttps://lore.kernel.org/linux-cve-announce/2026082843-CVE-2026-80648-8431@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a83c29e1d145cca5240952100acd1cd60f25fb5f,7a551951ebeb5b3f05bdb04a73d4593869c984c4)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a83c29e1d145cca5240952100acd1cd60f25fb5f,d3b53f0eda26e442ff97016ad4a0724db8fd3781)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a83c29e1d145cca5240952100acd1cd60f25fb5f,09c816e5c4d3a8d6d6e4b7537433e5e98505d934)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.13"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.13)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.40,6.19.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.5,7.2.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-28T12:15:04.988050+00:00", "updated": "2026-08-31T14:15:06.420961+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}