{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-63965", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T07:54:57.024Z", "datePublished": "2026-07-19T14:55:53.809Z", "dateUpdated": "2026-07-19T14:55:53.809Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-19T14:55:53.809Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: pressure: bmp280: fix stack leak in bmp580 trigger handler\n\nbmp580_trigger_handler() declares its scan buffer on the stack without\nan initializer and then memcpy()s 3 bytes of 24-bit sensor data into\neach 4-byte __le32 field. The high byte of comp_temp and comp_press is\nleft uninitialized, and the channel storagebits is 32, so two bytes of\nstack are pushed to userspace per scan.\n\nThis is a regression from when the buffer lived in the private data, the\nmove to a stack-local struct dropped the implicit zeroing.\nbme280_trigger_handler() was fixed up to handle this bug, but this\ndriver was not fixed because there was no padding hole, but rather a\nshort-fill issue.\n\nFix this all by just zero-initializing the structure on the stack."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/iio/pressure/bmp280-core.c"], "versions": [{"version": "872c8014e05ed47b8a7c0f5ba4311279a637150b", "lessThan": "a58400f58f82f3d8de9c067aa7cda690228c1ecc", "status": "affected", "versionType": "git"}, {"version": "872c8014e05ed47b8a7c0f5ba4311279a637150b", "lessThan": "58dfb6fe9dc80270cf7cc014837af4cbf928e3aa", "status": "affected", "versionType": "git"}, {"version": "872c8014e05ed47b8a7c0f5ba4311279a637150b", "lessThan": "387c86b582e0782ab332e7bfcd4e6e3f93922961", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/iio/pressure/bmp280-core.c"], "versions": [{"version": "6.16", "status": "affected"}, {"version": "0", "lessThan": "6.16", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.35", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.12", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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": "6.16", "versionEndExcluding": "6.18.35"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.16", "versionEndExcluding": "7.0.12"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.16", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/a58400f58f82f3d8de9c067aa7cda690228c1ecc"}, {"url": "https://git.kernel.org/stable/c/58dfb6fe9dc80270cf7cc014837af4cbf928e3aa"}, {"url": "https://git.kernel.org/stable/c/387c86b582e0782ab332e7bfcd4e6e3f93922961"}], "title": "iio: pressure: bmp280: fix stack leak in bmp580 trigger handler", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"bugzilla": {"description": "kernel: iio: pressure: bmp280: fix stack leak in bmp580 trigger handler", "id": "2502401", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502401"}, "csaw": false, "cwe": "CWE-908", "details": ["In the Linux kernel, the following vulnerability has been resolved:\niio: pressure: bmp280: fix stack leak in bmp580 trigger handler\nbmp580_trigger_handler() declares its scan buffer on the stack without\nan initializer and then memcpy()s 3 bytes of 24-bit sensor data into\neach 4-byte __le32 field. The high byte of comp_temp and comp_press is\nleft uninitialized, and the channel storagebits is 32, so two bytes of\nstack are pushed to userspace per scan.\nThis is a regression from when the buffer lived in the private data, the\nmove to a stack-local struct dropped the implicit zeroing.\nbme280_trigger_handler() was fixed up to handle this bug, but this\ndriver was not fixed because there was no padding hole, but rather a\nshort-fill issue.\nFix this all by just zero-initializing the structure on the stack.", "A flaw was found in the Linux kernel's bmp280 pressure sensor driver. The bmp580_trigger_handler() function fails to initialize a stack-allocated buffer, which can lead to two bytes of uninitialized stack memory being exposed to userspace. This information disclosure vulnerability could allow a local attacker to obtain sensitive information from the kernel stack."], "name": "CVE-2026-63965", "public_date": "2026-07-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-63965\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-63965\nhttps://lore.kernel.org/linux-cve-announce/2026071958-CVE-2026-63965-3603@gregkh/T"]}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[872c8014e05ed47b8a7c0f5ba4311279a637150b,a58400f58f82f3d8de9c067aa7cda690228c1ecc)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[872c8014e05ed47b8a7c0f5ba4311279a637150b,58dfb6fe9dc80270cf7cc014837af4cbf928e3aa)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[872c8014e05ed47b8a7c0f5ba4311279a637150b,387c86b582e0782ab332e7bfcd4e6e3f93922961)"}}], "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": "generic", "value": "6.16"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.16)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.35,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.12,7.1.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1,*]"}}], "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": "2026-07-21T16:00:08.546086+00:00", "updated": "2026-07-21T23:00:05.170695+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-788"]}