{"id":"CVE-2026-80680","summary":"i2c: amd-mp2: Unregister callback on adapter add failure","details":"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.","modified":"2026-08-31T03:30:32.483910464Z","published":"2026-08-28T06:52:48.300Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80680.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1883a09a37fed497b9efacf736c23624a472246b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2f7789b3a9628819ebf90bcba8f9da3c139f8687"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4786d4d70dcd1e6b7e044f2348e00f201947b69c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/82048795242f04275a3f49ffc66ad851b6120954"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8bf719659406e4a1b56d441e0c7da2085d891d96"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9142a3dcff0d80a3a24ce159aee19ddc869d9784"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b7c2c5c8868737926410b93d1223ada17625ead3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cf107c5983dc70fcf932a305581a5f976d908ff1"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80680.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80680"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"529766e0a0114438887382a68d97341fbf8349fb"},{"fixed":"9142a3dcff0d80a3a24ce159aee19ddc869d9784"},{"fixed":"2f7789b3a9628819ebf90bcba8f9da3c139f8687"},{"fixed":"4786d4d70dcd1e6b7e044f2348e00f201947b69c"},{"fixed":"b7c2c5c8868737926410b93d1223ada17625ead3"},{"fixed":"cf107c5983dc70fcf932a305581a5f976d908ff1"},{"fixed":"1883a09a37fed497b9efacf736c23624a472246b"},{"fixed":"8bf719659406e4a1b56d441e0c7da2085d891d96"},{"fixed":"82048795242f04275a3f49ffc66ad851b6120954"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80680.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.2.0"},{"fixed":"5.10.265"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.216"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.183"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.151"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.103"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.44"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.8"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80680.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}