{"id":"CVE-2025-40294","state":"PUBLISHED","title":"Bluetooth: MGMT: Fix OOB access in parse_adv_monitor_pattern()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: MGMT: Fix OOB access in parse_adv_monitor_pattern()\n\nIn the parse_adv_monitor_pattern() function, the value of\nthe 'length' variable is currently limited to HCI_MAX_EXT_AD_LENGTH(251).\nThe size of the 'value' array in the mgmt_adv_pattern structure is 31.\nIf the value of 'pattern[i].length' is set in the user space\nand exceeds 31, the 'patterns[i].value' array can be accessed\nout of bound when copied.\n\nIncreasing the size of the 'value' array in\nthe 'mgmt_adv_pattern' structure will break the userspace.\nConsidering this, and to avoid OOB access revert the limits for 'offset'\nand 'length' back to the value of HCI_MAX_AD_LENGTH.\n\nFound by InfoTeCS on behalf of Linux Verification Center\n(linuxtesting.org) with SVACE.","publishedAt":"2025-12-08T00:46:17.899Z","updatedAt":"2026-06-16T19:53:41.561Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"99f30e12e588f9982a6eb1916e53510bff25b3b8","status":"affected","lessThan":"96616530f524a0a76248cd44201de0a9e8526190","versionType":"git"},{"version":"db08722fc7d46168fe31d9b8a7b29229dd959f9f","status":"affected","lessThan":"5f7350ff2b179764a4f40ba4161b60b8aaef857b","versionType":"git"},{"version":"db08722fc7d46168fe31d9b8a7b29229dd959f9f","status":"affected","lessThan":"4b7d4aa5399b5a64caee639275615c63c008540d","versionType":"git"},{"version":"db08722fc7d46168fe31d9b8a7b29229dd959f9f","status":"affected","lessThan":"3a50d59b3781bc3a4e96533612509546a4c309a7","versionType":"git"},{"version":"db08722fc7d46168fe31d9b8a7b29229dd959f9f","status":"affected","lessThan":"8d59fba49362c65332395789fd82771f1028d87e","versionType":"git"},{"version":"6.1.83","status":"affected","lessThan":"6.1.159","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/net/bluetooth/mgmt.h","net/bluetooth/mgmt.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.6","versionType":"semver"},{"version":"6.1.159","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.117","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.58","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.8","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/net/bluetooth/mgmt.h","net/bluetooth/mgmt.c"]}],"references":["https://git.kernel.org/stable/c/96616530f524a0a76248cd44201de0a9e8526190","https://git.kernel.org/stable/c/5f7350ff2b179764a4f40ba4161b60b8aaef857b","https://git.kernel.org/stable/c/4b7d4aa5399b5a64caee639275615c63c008540d","https://git.kernel.org/stable/c/3a50d59b3781bc3a4e96533612509546a4c309a7","https://git.kernel.org/stable/c/8d59fba49362c65332395789fd82771f1028d87e"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/40xxx/CVE-2025-40294.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-40294","state":"PUBLISHED","datePublished":"2025-12-08T00:46:17.899Z","dateUpdated":"2026-06-16T19:53:41.561Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T07:20:57.185Z"},"containers":{"cna":{"title":"Bluetooth: MGMT: Fix OOB access in parse_adv_monitor_pattern()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: MGMT: Fix OOB access in parse_adv_monitor_pattern()\n\nIn the parse_adv_monitor_pattern() function, the value of\nthe 'length' variable is currently limited to HCI_MAX_EXT_AD_LENGTH(251).\nThe size of the 'value' array in the mgmt_adv_pattern structure is 31.\nIf the value of 'pattern[i].length' is set in the user space\nand exceeds 31, the 'patterns[i].value' array can be accessed\nout of bound when copied.\n\nIncreasing the size of the 'value' array in\nthe 'mgmt_adv_pattern' structure will break the userspace.\nConsidering this, and to avoid OOB access revert the limits for 'offset'\nand 'length' back to the value of HCI_MAX_AD_LENGTH.\n\nFound by InfoTeCS on behalf of Linux Verification Center\n(linuxtesting.org) with SVACE."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"99f30e12e588f9982a6eb1916e53510bff25b3b8","status":"affected","lessThan":"96616530f524a0a76248cd44201de0a9e8526190","versionType":"git"},{"version":"db08722fc7d46168fe31d9b8a7b29229dd959f9f","status":"affected","lessThan":"5f7350ff2b179764a4f40ba4161b60b8aaef857b","versionType":"git"},{"version":"db08722fc7d46168fe31d9b8a7b29229dd959f9f","status":"affected","lessThan":"4b7d4aa5399b5a64caee639275615c63c008540d","versionType":"git"},{"version":"db08722fc7d46168fe31d9b8a7b29229dd959f9f","status":"affected","lessThan":"3a50d59b3781bc3a4e96533612509546a4c309a7","versionType":"git"},{"version":"db08722fc7d46168fe31d9b8a7b29229dd959f9f","status":"affected","lessThan":"8d59fba49362c65332395789fd82771f1028d87e","versionType":"git"},{"version":"6.1.83","status":"affected","lessThan":"6.1.159","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/net/bluetooth/mgmt.h","net/bluetooth/mgmt.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.6","versionType":"semver"},{"version":"6.1.159","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.117","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.58","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.8","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/net/bluetooth/mgmt.h","net/bluetooth/mgmt.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/96616530f524a0a76248cd44201de0a9e8526190"},{"url":"https://git.kernel.org/stable/c/5f7350ff2b179764a4f40ba4161b60b8aaef857b"},{"url":"https://git.kernel.org/stable/c/4b7d4aa5399b5a64caee639275615c63c008540d"},{"url":"https://git.kernel.org/stable/c/3a50d59b3781bc3a4e96533612509546a4c309a7"},{"url":"https://git.kernel.org/stable/c/8d59fba49362c65332395789fd82771f1028d87e"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T16:01:58.817Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.83","versionEndExcluding":"6.1.159"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.6.117"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.12.58"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.17.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.18"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-16T19:53:21.459329Z","id":"CVE-2025-40294","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-16T19:53:41.561Z"}}]}}}