CVE-2026-80650
Last modified
CVE-2026-80650 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: media: atomisp: gc2235: fix UAF and memory leak gc2235_probe() handles its error paths incorrectly. If media_entity_pads_init() fails, gc2235_remove() is called, which tears down the subdev and frees dev, but then still falls through to atomisp_register_i2c_module(). This results in use-after-free. If atomisp_register_i2c_module() fails, the media entity and control handler are left initialized and dev is leaked. gc2235_remove() unconditionally calls media_entity_cleanup() and v4l2_ctrl_handler_free(), but these are not initialized at every error path in gc2235_probe(). Replace gc2235_remove() calls in the probe error paths with explicit unwind labels that free only the resources initialized at each point of failure, in reverse order of initialization.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.
Description
In the Linux kernel, the following vulnerability has been resolved: media: atomisp: gc2235: fix UAF and memory leak gc2235_probe() handles its error paths incorrectly. If media_entity_pads_init() fails, gc2235_remove() is called, which tears down the subdev and frees dev, but then still falls through to atomisp_register_i2c_module(). This results in use-after-free. If atomisp_register_i2c_module() fails, the media entity and control handler are left initialized and dev is leaked. gc2235_remove() unconditionally calls media_entity_cleanup() and v4l2_ctrl_handler_free(), but these are not initialized at every error path in gc2235_probe(). Replace gc2235_remove() calls in the probe error paths with explicit unwind labels that free only the resources initialized at each point of failure, in reverse order of initialization.
Metrics
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | >= a49d25364dfb9f8a64037488a39ab1f56c5fa419, < 51b8dc5163d2ff2bf04019f8bf7e3bd0e75bb654; >= ad85094b293e40e7a2f831b0311a389d952ebd5e, < 5bed166be3054f9ebb527dbce7158677085eea59; >= ad85094b293e40e7a2f831b0311a389d952ebd5e, < 592a0e78ab08f6373c40912365759d8a066e7711; >= ad85094b293e40e7a2f831b0311a389d952ebd5e, < fdbb8e55578b4ab647fa58827a9dd8730d7f4add; >= ad85094b293e40e7a2f831b0311a389d952ebd5e, < d57e67ea48e4d095052f2b14d8dd7593621f862f; >= ad85094b293e40e7a2f831b0311a389d952ebd5e, < f614bf0a64aa1cb7444d152a96798a6bf1d49e1f; >= ad85094b293e40e7a2f831b0311a389d952ebd5e, < 628f763aee0047ff44974388d6f70f75a763026b |
| Linux | Linux | 4.12; 5.8 |
References
Timeline
- Published
- Last Modified
- Status
- Received
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