{"id":"CVE-2026-72396","title":"hwmon: adm1275: Prevent reading uninitialized stack","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nhwmon: adm1275: Prevent reading uninitialized stack\n\nWhile adding support for the ROHM BD127X0 hot-swap controllers, sashiko\nreported an error in device-name comparison…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 87102808d03948c825c3bdc48316e48f6422fd7e < 57d583f069fa9d3d0c0831e34b967d1f61edae94","Linux >= 87102808d03948c825c3bdc48316e48f6422fd7e < 82e4ab03a6ab9b87667410f5143bc484d7a62bdc","Linux >= 87102808d03948c825c3bdc48316e48f6422fd7e < c9e04a52663bc6651c06c2427df088b751062bd6","Linux >= 87102808d03948c825c3bdc48316e48f6422fd7e < 39a581bd64a0e91112ec8017a2dd4e70c1336e99","Linux >= 87102808d03948c825c3bdc48316e48f6422fd7e < aa35cee30686e6be3c890bf741429c5025d55abe","Linux >= 87102808d03948c825c3bdc48316e48f6422fd7e < 36554592e2f5cac16ff8bf73720d38a6d9ef4a20","Linux >= 87102808d03948c825c3bdc48316e48f6422fd7e < 93b96e723bdcba6172a5814262be875abcc5d269","Linux >= 87102808d03948c825c3bdc48316e48f6422fd7e < 553f9517813912a5ab661af5504485d96824a61c","Linux 3.3"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-06T16:54:54.603187Z"},"published":"2026-08-15","updated":"2026-11-06","sourceUpdated":"2026-11-06T16:55:26.496Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-72396","references":[{"url":"https://git.kernel.org/stable/c/57d583f069fa9d3d0c0831e34b967d1f61edae94"},{"url":"https://git.kernel.org/stable/c/82e4ab03a6ab9b87667410f5143bc484d7a62bdc"},{"url":"https://git.kernel.org/stable/c/c9e04a52663bc6651c06c2427df088b751062bd6"},{"url":"https://git.kernel.org/stable/c/39a581bd64a0e91112ec8017a2dd4e70c1336e99"},{"url":"https://git.kernel.org/stable/c/aa35cee30686e6be3c890bf741429c5025d55abe"},{"url":"https://git.kernel.org/stable/c/36554592e2f5cac16ff8bf73720d38a6d9ef4a20"},{"url":"https://git.kernel.org/stable/c/93b96e723bdcba6172a5814262be875abcc5d269"},{"url":"https://git.kernel.org/stable/c/553f9517813912a5ab661af5504485d96824a61c"}],"tags":["cve.org"],"epss":0.0022,"epssPercentile":0.12557,"ingestedAt":"2026-11-06T18:00:12.578Z","slug":"CVE-2026-72396","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nhwmon: adm1275: Prevent reading uninitialized stack\n\nWhile adding support for the ROHM BD127X0 hot-swap controllers, sashiko\nreported an error in device-name comparison, which can lead to reading\nuninitialized stack memory.\n\nQuoting Sashiko:\n\nThis is a pre-existing issue, but I noticed that just before this block in\nadm1275_probe(), there might be an out-of-bounds stack read:\n\n    ret = i2c_smbus_read_block_data(client, PMBUS_MFR_MODEL, block_buffer);\n    if (ret < 0) { ... }\n    for (mid = adm1275_id; mid->name[0]; mid++) {\n            if (!strncasecmp(mid->name, block_buffer, strlen(mid->name)))\n                    break;\n    }\n\nSince i2c_smbus_read_block_data() reads up to 32 bytes into the\nuninitialized stack array block_buffer without appending a null\nterminator, strncasecmp() could read past the valid bytes returned in ret.\n\nFor example, if the device returns a shorter string like \"adm12\", checking\nit against \"adm1275\" up to the length of \"adm1275\" will continue reading\ninto uninitialized stack bounds.\n\nPrevent reading uninitialized memory by zeroing the stack array.\n\n## Affected\n\n- `Linux >= 87102808d03948c825c3bdc48316e48f6422fd7e < 57d583f069fa9d3d0c0831e34b967d1f61edae94`\n- `Linux >= 87102808d03948c825c3bdc48316e48f6422fd7e < 82e4ab03a6ab9b87667410f5143bc484d7a62bdc`\n- `Linux >= 87102808d03948c825c3bdc48316e48f6422fd7e < c9e04a52663bc6651c06c2427df088b751062bd6`\n- `Linux >= 87102808d03948c825c3bdc48316e48f6422fd7e < 39a581bd64a0e91112ec8017a2dd4e70c1336e99`\n- `Linux >= 87102808d03948c825c3bdc48316e48f6422fd7e < aa35cee30686e6be3c890bf741429c5025d55abe`\n- `Linux >= 87102808d03948c825c3bdc48316e48f6422fd7e < 36554592e2f5cac16ff8bf73720d38a6d9ef4a20`\n- `Linux >= 87102808d03948c825c3bdc48316e48f6422fd7e < 93b96e723bdcba6172a5814262be875abcc5d269`\n- `Linux >= 87102808d03948c825c3bdc48316e48f6422fd7e < 553f9517813912a5ab661af5504485d96824a61c`\n- `Linux 3.3`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}