{"id":"CVE-2026-64495","summary":"iio: gyro: bmg160: bail out when bandwidth/filter is not in table","details":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: gyro: bmg160: bail out when bandwidth/filter is not in table\n\nbmg160_get_filter() walks bmg160_samp_freq_table[] looking for the entry\nmatching the bw_bits value read from the chip:\n\n\tfor (i = 0; i \u003c ARRAY_SIZE(bmg160_samp_freq_table); ++i) {\n\t\tif (bmg160_samp_freq_table[i].bw_bits == bw_bits)\n\t\t\tbreak;\n\t}\n\t*val = bmg160_samp_freq_table[i].filter;\n\nIf no entry matches, i ends up equal to the array size and the next line\nreads one slot past the end. bmg160_set_filter() has the same shape, driven\nby 'val' instead of bw_bits.\n\nsmatch flags both:\n\n  drivers/iio/gyro/bmg160_core.c:204 bmg160_get_filter() error:\n  buffer overflow 'bmg160_samp_freq_table' 7 \u003c= 7\n  drivers/iio/gyro/bmg160_core.c:222 bmg160_set_filter() error:\n  buffer overflow 'bmg160_samp_freq_table' 7 \u003c= 7\n\nReturn -EINVAL when no entry matches.\n\nThe set_filter() path is reachable from userspace via the sysfs\nin_anglvel_filter_low_pass_3db_frequency interface, so userspace can\ntrivially trigger the out-of-bounds read with a value that is not in\nbmg160_samp_freq_table[].filter.","modified":"2026-08-18T03:31:21.564252834Z","published":"2026-07-25T08:51:52.468Z","related":["openSUSE-SU-2026:11476-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64495.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/029481cddb98697716f4bf3021d035eaf2ca0e1f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/1dc3a833be11e5d503038e3c701745fd0e03903c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6c8675468862161d1c59130266852b66867d3861"},{"type":"WEB","url":"https://git.kernel.org/stable/c/77e56ebb1786f4296afd5fa46975a989b285ae65"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7bbf02b63961fc1768c9c654392c11f2077d4c59"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8320c77e67382d5d55d77043a5f60a867d408a2b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8d202515baea4e2e3be448d1590099af28f2346d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d85ee50f58dd83fe74f6d0bf8bd345c657b216e8"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64495.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64495"},{"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":"22b46c45fb9be8ec1fcb4d9b74810e6a20ff67cc"},{"fixed":"1dc3a833be11e5d503038e3c701745fd0e03903c"},{"fixed":"77e56ebb1786f4296afd5fa46975a989b285ae65"},{"fixed":"029481cddb98697716f4bf3021d035eaf2ca0e1f"},{"fixed":"8d202515baea4e2e3be448d1590099af28f2346d"},{"fixed":"d85ee50f58dd83fe74f6d0bf8bd345c657b216e8"},{"fixed":"7bbf02b63961fc1768c9c654392c11f2077d4c59"},{"fixed":"6c8675468862161d1c59130266852b66867d3861"},{"fixed":"8320c77e67382d5d55d77043a5f60a867d408a2b"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64495.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.18.0"},{"fixed":"5.10.261"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.212"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.178"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.145"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.96"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.39"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.4"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64495.json"}}],"schema_version":"1.9.0"}