{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-40071", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T07:20:57.159Z", "datePublished": "2025-10-28T11:48:39.417Z", "dateUpdated": "2025-10-28T11:48:39.417Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-10-28T11:48:39.417Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntty: n_gsm: Don't block input queue by waiting MSC\n\nCurrently gsm_queue() processes incoming frames and when opening\na DLC channel it calls gsm_dlci_open() which calls gsm_modem_update().\nIf basic mode is used it calls gsm_modem_upd_via_msc() and it\ncannot block the input queue by waiting the response to come\ninto the same input queue.\n\nInstead allow sending Modem Status Command without waiting for remote\nend to respond. Define a new function gsm_modem_send_initial_msc()\nfor this purpose. As MSC is only valid for basic encoding, it does\nnot do anything for advanced or when convergence layer type 2 is used."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/tty/n_gsm.c"], "versions": [{"version": "48473802506d2d6151f59e0e764932b33b53cb3b", "lessThan": "c36785f9de03df56ff9b8eca30fa681a12b2310d", "status": "affected", "versionType": "git"}, {"version": "48473802506d2d6151f59e0e764932b33b53cb3b", "lessThan": "5416e89b81b00443cb03c88df8da097ae091a141", "status": "affected", "versionType": "git"}, {"version": "48473802506d2d6151f59e0e764932b33b53cb3b", "lessThan": "c5a2791a7f11939f05f95c01f0aec0c55bbf28d5", "status": "affected", "versionType": "git"}, {"version": "48473802506d2d6151f59e0e764932b33b53cb3b", "lessThan": "3cf0b3c243e56bc43be560617416c1d9f301f44c", "status": "affected", "versionType": "git"}, {"version": "920e849b7d23ced84c9d11e11e2449e34973cfb8", "status": "affected", "versionType": "git"}, {"version": "e83b4e1540469babeffcfd44a605cf8a61542598", "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/tty/n_gsm.c"], "versions": [{"version": "5.18", "status": "affected"}, {"version": "0", "lessThan": "5.18", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.112", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.53", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17.3", "lessThanOrEqual": "6.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18-rc1", "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": "5.18", "versionEndExcluding": "6.6.112"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.12.53"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.17.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.18-rc1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15.54"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.17.6"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/c36785f9de03df56ff9b8eca30fa681a12b2310d"}, {"url": "https://git.kernel.org/stable/c/5416e89b81b00443cb03c88df8da097ae091a141"}, {"url": "https://git.kernel.org/stable/c/c5a2791a7f11939f05f95c01f0aec0c55bbf28d5"}, {"url": "https://git.kernel.org/stable/c/3cf0b3c243e56bc43be560617416c1d9f301f44c"}], "title": "tty: n_gsm: Don't block input queue by waiting MSC", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntty: n_gsm: Don't block input queue by waiting MSC\n\nCurrently gsm_queue() processes incoming frames and when opening\na DLC channel it calls gsm_dlci_open() which calls gsm_modem_update().\nIf basic mode is used it calls gsm_modem_upd_via_msc() and it\ncannot block the input queue by waiting the response to come\ninto the same input queue.\n\nInstead allow sending Modem Status Command without waiting for remote\nend to respond. Define a new function gsm_modem_send_initial_msc()\nfor this purpose. As MSC is only valid for basic encoding, it does\nnot do anything for advanced or when convergence layer type 2 is used."}], "id": "CVE-2025-40071", "lastModified": "2025-10-28T12:15:41.613", "metrics": {}, "published": "2025-10-28T12:15:41.613", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3cf0b3c243e56bc43be560617416c1d9f301f44c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5416e89b81b00443cb03c88df8da097ae091a141"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c36785f9de03df56ff9b8eca30fa681a12b2310d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c5a2791a7f11939f05f95c01f0aec0c55bbf28d5"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{}