{"id":"CVE-2026-98218","published":"2026-10-06T09:18:08.590","lastModified":"2026-10-06T09:18:08.590","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: atr: fix dangling adapter pointer on add failure\n\ni2c_atr_add_adapter() stores atr->adapter[chan_id] before\ni2c_add_adapter() so that the I2C bus notifier can match child clients\nduring registration. On failure the channel is freed but the slot was\nleft pointing at freed memory, which can lead to use-after-free in\ni2c_atr_del_adapter() / cleanup and also block reuse with -EEXIST.\n\nClear the slot on the i2c_add_adapter() error path before freeing chan.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/1093835f6aef58a831298d93e0d93f244fa07b84","tags":[]},{"url":"https://git.kernel.org/stable/c/2f5e42edbd232bf705dc5d3a91e06344237e63bb","tags":[]},{"url":"https://git.kernel.org/stable/c/a57d9592714506556e30188af72dd3bdb9f647b5","tags":[]},{"url":"https://git.kernel.org/stable/c/ad34235808b63a70ca4989b7a2852923193d06ef","tags":[]},{"url":"https://git.kernel.org/stable/c/eabf7a3d33cd9fad106d267d00cc842434de8e02","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}