{"id":"CVE-2026-80680","title":"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 adapte…","summary":"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 adapte…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","published":"2026-08-28","updated":"2026-08-29","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-80680","references":[{"url":"https://git.kernel.org/stable/c/1883a09a37fed497b9efacf736c23624a472246b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2f7789b3a9628819ebf90bcba8f9da3c139f8687","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4786d4d70dcd1e6b7e044f2348e00f201947b69c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/82048795242f04275a3f49ffc66ad851b6120954","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8bf719659406e4a1b56d441e0c7da2085d891d96","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9142a3dcff0d80a3a24ce159aee19ddc869d9784","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b7c2c5c8868737926410b93d1223ada17625ead3","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/cf107c5983dc70fcf932a305581a5f976d908ff1","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80680.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-80680"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2525418"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80680"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80680"},{"url":"https://lore.kernel.org/linux-cve-announce/2026082801-CVE-2026-80680-4539@gregkh/T"}],"tags":["nvd","csaf","vex","red-hat","score-dispute"],"epss":0.00176,"epssPercentile":0.07053,"ingestedAt":"2026-08-30T04:47:10.372Z","vendor":"Red Hat","cwe":["CWE-825"],"scores":{"nvd":7.8,"vendor":5.5},"slug":"CVE-2026-80680","body":"## Overview\n\nIn 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · updated 2026-10-17 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80680.json)","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}