{"api_version":"1","generated_at":"2026-08-28T16:45:17+00:00","cve":"CVE-2026-80680","urls":{"html":"https://cve.report/CVE-2026-80680","api":"https://cve.report/api/cve/CVE-2026-80680.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-80680","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-80680"},"summary":{"title":"i2c: amd-mp2: Unregister callback on adapter add failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: amd-mp2: Unregister callback on adapter add failure\n\namd_mp2_register_cb() stores the platform I2C context in the MP2 PCI\ndriver's callback table before the adapter is registered. If\ni2c_add_adapter() fails, probe returns and devres frees the context,\nbut the PCI driver can still dereference the stale pointer from its IRQ\nand system-sleep callbacks.\n\nUnregister the callback before returning the adapter registration error.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-28 08:16:53","updated_at":"2026-08-28 08:16:53"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/4786d4d70dcd1e6b7e044f2348e00f201947b69c","name":"https://git.kernel.org/stable/c/4786d4d70dcd1e6b7e044f2348e00f201947b69c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/82048795242f04275a3f49ffc66ad851b6120954","name":"https://git.kernel.org/stable/c/82048795242f04275a3f49ffc66ad851b6120954","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b7c2c5c8868737926410b93d1223ada17625ead3","name":"https://git.kernel.org/stable/c/b7c2c5c8868737926410b93d1223ada17625ead3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2f7789b3a9628819ebf90bcba8f9da3c139f8687","name":"https://git.kernel.org/stable/c/2f7789b3a9628819ebf90bcba8f9da3c139f8687","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9142a3dcff0d80a3a24ce159aee19ddc869d9784","name":"https://git.kernel.org/stable/c/9142a3dcff0d80a3a24ce159aee19ddc869d9784","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8bf719659406e4a1b56d441e0c7da2085d891d96","name":"https://git.kernel.org/stable/c/8bf719659406e4a1b56d441e0c7da2085d891d96","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/cf107c5983dc70fcf932a305581a5f976d908ff1","name":"https://git.kernel.org/stable/c/cf107c5983dc70fcf932a305581a5f976d908ff1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1883a09a37fed497b9efacf736c23624a472246b","name":"https://git.kernel.org/stable/c/1883a09a37fed497b9efacf736c23624a472246b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80680","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80680","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 529766e0a0114438887382a68d97341fbf8349fb 9142a3dcff0d80a3a24ce159aee19ddc869d9784 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 529766e0a0114438887382a68d97341fbf8349fb 2f7789b3a9628819ebf90bcba8f9da3c139f8687 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 529766e0a0114438887382a68d97341fbf8349fb 4786d4d70dcd1e6b7e044f2348e00f201947b69c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 529766e0a0114438887382a68d97341fbf8349fb b7c2c5c8868737926410b93d1223ada17625ead3 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.216 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.183 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.151 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.103 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.44 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.8 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":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/i2c/busses/i2c-amd-mp2-plat.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"9142a3dcff0d80a3a24ce159aee19ddc869d9784","status":"affected","version":"529766e0a0114438887382a68d97341fbf8349fb","versionType":"git"},{"lessThan":"2f7789b3a9628819ebf90bcba8f9da3c139f8687","status":"affected","version":"529766e0a0114438887382a68d97341fbf8349fb","versionType":"git"},{"lessThan":"4786d4d70dcd1e6b7e044f2348e00f201947b69c","status":"affected","version":"529766e0a0114438887382a68d97341fbf8349fb","versionType":"git"},{"lessThan":"b7c2c5c8868737926410b93d1223ada17625ead3","status":"affected","version":"529766e0a0114438887382a68d97341fbf8349fb","versionType":"git"},{"lessThan":"cf107c5983dc70fcf932a305581a5f976d908ff1","status":"affected","version":"529766e0a0114438887382a68d97341fbf8349fb","versionType":"git"},{"lessThan":"1883a09a37fed497b9efacf736c23624a472246b","status":"affected","version":"529766e0a0114438887382a68d97341fbf8349fb","versionType":"git"},{"lessThan":"8bf719659406e4a1b56d441e0c7da2085d891d96","status":"affected","version":"529766e0a0114438887382a68d97341fbf8349fb","versionType":"git"},{"lessThan":"82048795242f04275a3f49ffc66ad851b6120954","status":"affected","version":"529766e0a0114438887382a68d97341fbf8349fb","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/i2c/busses/i2c-amd-mp2-plat.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.2"},{"lessThan":"5.2","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.265","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.216","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.183","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.151","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.103","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.44","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.8","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":"5.10.265","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.216","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.183","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.151","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.103","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.44","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.8","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"5.2","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: amd-mp2: Unregister callback on adapter add failure\n\namd_mp2_register_cb() stores the platform I2C context in the MP2 PCI\ndriver's callback table before the adapter is registered. If\ni2c_add_adapter() fails, probe returns and devres frees the context,\nbut the PCI driver can still dereference the stale pointer from its IRQ\nand system-sleep callbacks.\n\nUnregister the callback before returning the adapter registration error."}],"providerMetadata":{"dateUpdated":"2026-08-28T06:52:48.300Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/9142a3dcff0d80a3a24ce159aee19ddc869d9784"},{"url":"https://git.kernel.org/stable/c/2f7789b3a9628819ebf90bcba8f9da3c139f8687"},{"url":"https://git.kernel.org/stable/c/4786d4d70dcd1e6b7e044f2348e00f201947b69c"},{"url":"https://git.kernel.org/stable/c/b7c2c5c8868737926410b93d1223ada17625ead3"},{"url":"https://git.kernel.org/stable/c/cf107c5983dc70fcf932a305581a5f976d908ff1"},{"url":"https://git.kernel.org/stable/c/1883a09a37fed497b9efacf736c23624a472246b"},{"url":"https://git.kernel.org/stable/c/8bf719659406e4a1b56d441e0c7da2085d891d96"},{"url":"https://git.kernel.org/stable/c/82048795242f04275a3f49ffc66ad851b6120954"}],"title":"i2c: amd-mp2: Unregister callback on adapter add failure","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-80680","datePublished":"2026-08-28T06:52:48.300Z","dateReserved":"2026-08-26T14:34:25.783Z","dateUpdated":"2026-08-28T06:52:48.300Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-28 08:16:53","lastModifiedDate":"2026-08-28 08:16:53","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"80680","Ordinal":"1","Title":"i2c: amd-mp2: Unregister callback on adapter add failure","CVE":"CVE-2026-80680","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"80680","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: amd-mp2: Unregister callback on adapter add failure\n\namd_mp2_register_cb() stores the platform I2C context in the MP2 PCI\ndriver's callback table before the adapter is registered. If\ni2c_add_adapter() fails, probe returns and devres frees the context,\nbut the PCI driver can still dereference the stale pointer from its IRQ\nand system-sleep callbacks.\n\nUnregister the callback before returning the adapter registration error.","Type":"Description","Title":"i2c: amd-mp2: Unregister callback on adapter add failure"}]}}}