CVE-2026-72396

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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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/hwmon/pmbus/adm1275.c"], "versions": [{"version": "87102808d03948c825c3bdc48316e48f6422fd7e", "lessThan": "57d583f069fa9d3d0c0831e34b967d1f61edae94", "status": "affected", "versionType": "git"}, {"version": "87102808d03948c825c3bdc48316e48f6422fd7e", "lessThan": "82e4ab03a6ab9b87667410f5143bc484d7a62bdc", "status": "affected", "versionType": "git"}, {"version": "87102808d03948c825c3bdc48316e48f6422fd7e", "lessThan": "c9e04a52663bc6651c06c2427df088b751062bd6", "status": "affected", "versionType": "git"}, {"version": "87102808d03948c825c3bdc48316e48f6422fd7e", "lessThan": "39a581bd64a0e91112ec8017a2dd4e70c1336e99", "status": "affected", "versionType": "git"}, {"version": "87102808d03948c825c3bdc48316e48f6422fd7e", "lessThan": "aa35cee30686e6be3c890bf741429c5025d55abe", "status": "affected", "versionType": "git"}, {"version": "87102808d03948c825c3bdc48316e48f6422fd7e", "lessThan": "36554592e2f5cac16ff8bf73720d38a6d9ef4a20", "status": "affected", "versionType": "git"}, {"version": "87102808d03948c825c3bdc48316e48f6422fd7e", "lessThan": "93b96e723bdcba6172a5814262be875abcc5d269", "status": 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"unaffected", "versionType": "semver"}, {"version": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "5.10.261"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "5.15.212"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "6.1.178"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "6.12.97"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "7.2"}]}]}], "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"}], "title": "hwmon: adm1275: Prevent reading uninitialized stack", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-72396", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-11-06T16:54:54.603187Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-06T16:55:26.496Z"}}]}}

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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."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.261", "versionStartIncluding": "3.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.212", "versionStartIncluding": "3.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.178", "versionStartIncluding": "3.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.145", "versionStartIncluding": "3.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.97", "versionStartIncluding": "3.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.18.40", "versionStartIncluding": "3.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.1.5", "versionStartIncluding": "3.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.2", "versionStartIncluding": "3.3"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:13:52.535Z"}}}, "cveMetadata": {"cveId": "CVE-2026-72396", "state": "PUBLISHED", "dateUpdated": "2026-11-06T16:55:26.496Z", "dateReserved": "2026-08-09T03:40:39.924Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2026-08-15T05:56:23.067Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/hwmon/pmbus/adm1275.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "57d583f069fa9d3d0c0831e34b967d1f61edae94", "status": "affected", "version": "87102808d03948c825c3bdc48316e48f6422fd7e", "versionType": "git"}, {"lessThan": "82e4ab03a6ab9b87667410f5143bc484d7a62bdc", "status": "affected", "version": "87102808d03948c825c3bdc48316e48f6422fd7e", "versionType": "git"}, {"lessThan": "c9e04a52663bc6651c06c2427df088b751062bd6", "status": "affected", "version": "87102808d03948c825c3bdc48316e48f6422fd7e", "versionType": "git"}, {"lessThan": "39a581bd64a0e91112ec8017a2dd4e70c1336e99", "status": "affected", "version": "87102808d03948c825c3bdc48316e48f6422fd7e", "versionType": "git"}, {"lessThan": "aa35cee30686e6be3c890bf741429c5025d55abe", "status": "affected", "version": "87102808d03948c825c3bdc48316e48f6422fd7e", "versionType": "git"}, {"lessThan": "36554592e2f5cac16ff8bf73720d38a6d9ef4a20", "status": "affected", "version": "87102808d03948c825c3bdc48316e48f6422fd7e", "versionType": "git"}, {"lessThan": "93b96e723bdcba6172a5814262be875abcc5d269", "status": "affected", "version": "87102808d03948c825c3bdc48316e48f6422fd7e", "versionType": "git"}, {"lessThan": "553f9517813912a5ab661af5504485d96824a61c", "status": "affected", "version": "87102808d03948c825c3bdc48316e48f6422fd7e", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/hwmon/pmbus/adm1275.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "3.3"}, {"lessThan": "3.3", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.261", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.212", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.178", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.145", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.97", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.40", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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, 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."}], "id": "CVE-2026-72396", "lastModified": "2026-11-06T17:19:43.680", "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-72396", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-06T16:54:54.603187Z", "version": "2.0.3"}}]}, "published": "2026-08-15T06:22:13.150", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/36554592e2f5cac16ff8bf73720d38a6d9ef4a20"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/39a581bd64a0e91112ec8017a2dd4e70c1336e99"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/553f9517813912a5ab661af5504485d96824a61c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/57d583f069fa9d3d0c0831e34b967d1f61edae94"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/82e4ab03a6ab9b87667410f5143bc484d7a62bdc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/93b96e723bdcba6172a5814262be875abcc5d269"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/aa35cee30686e6be3c890bf741429c5025d55abe"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c9e04a52663bc6651c06c2427df088b751062bd6"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: hwmon: adm1275: Prevent reading uninitialized stack", "id": "2516234", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516234"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-125", "details": ["A flaw was found in the Linux kernel's hwmon subsystem, specifically in the adm1275 driver. This vulnerability allows a local attacker or a specially crafted device to trigger an out-of-bounds read during device name comparison. By providing a device name shorter than expected, uninitialized stack memory can be accessed, potentially leading to the disclosure of sensitive information."], "name": "CVE-2026-72396", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-72396\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-72396\nhttps://lore.kernel.org/linux-cve-announce/2026081520-CVE-2026-72396-7ad1@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[87102808d03948c825c3bdc48316e48f6422fd7e,57d583f069fa9d3d0c0831e34b967d1f61edae94)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[87102808d03948c825c3bdc48316e48f6422fd7e,82e4ab03a6ab9b87667410f5143bc484d7a62bdc)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[87102808d03948c825c3bdc48316e48f6422fd7e,c9e04a52663bc6651c06c2427df088b751062bd6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[87102808d03948c825c3bdc48316e48f6422fd7e,39a581bd64a0e91112ec8017a2dd4e70c1336e99)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[87102808d03948c825c3bdc48316e48f6422fd7e,aa35cee30686e6be3c890bf741429c5025d55abe)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[87102808d03948c825c3bdc48316e48f6422fd7e,36554592e2f5cac16ff8bf73720d38a6d9ef4a20)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[87102808d03948c825c3bdc48316e48f6422fd7e,93b96e723bdcba6172a5814262be875abcc5d269)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[87102808d03948c825c3bdc48316e48f6422fd7e,553f9517813912a5ab661af5504485d96824a61c)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "3.3"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,3.3)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.10.261,5.11.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.212,5.16.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.178,6.2.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.145,6.7.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.97,6.13.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.40,6.19.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.5,7.2.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2-rc2,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-15T18:15:03.783021+00:00", "updated": "2026-08-17T16:15:04.404737+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-125", "CWE-457"]}