{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-38602", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-06-18T19:36:34.933Z", "datePublished": "2024-06-19T13:48:13.768Z", "dateUpdated": "2024-12-19T09:05:25.844Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T09:05:25.844Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nax25: Fix reference count leak issues of ax25_dev\n\nThe ax25_addr_ax25dev() and ax25_dev_device_down() exist a reference\ncount leak issue of the object \"ax25_dev\".\n\nMemory leak issue in ax25_addr_ax25dev():\n\nThe reference count of the object \"ax25_dev\" can be increased multiple\ntimes in ax25_addr_ax25dev(). This will cause a memory leak.\n\nMemory leak issues in ax25_dev_device_down():\n\nThe reference count of ax25_dev is set to 1 in ax25_dev_device_up() and\nthen increase the reference count when ax25_dev is added to ax25_dev_list.\nAs a result, the reference count of ax25_dev is 2. But when the device is\nshutting down. The ax25_dev_device_down() drops the reference count once\nor twice depending on if we goto unlock_put or not, which will cause\nmemory leak.\n\nAs for the issue of ax25_addr_ax25dev(), it is impossible for one pointer\nto be on a list twice. So add a break in ax25_addr_ax25dev(). As for the\nissue of ax25_dev_device_down(), increase the reference count of ax25_dev\nonce in ax25_dev_device_up() and decrease the reference count of ax25_dev\nafter it is removed from the ax25_dev_list."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/ax25/ax25_dev.c"], "versions": [{"version": "d01ffb9eee4af165d83b08dd73ebdf9fe94a519b", "lessThan": "ae467750a3765dd1092eb29f58247950a2f9b60c", "status": "affected", "versionType": "git"}, {"version": "d01ffb9eee4af165d83b08dd73ebdf9fe94a519b", "lessThan": "38eb01edfdaa1562fa00429be2e33f45383b1b3a", "status": "affected", "versionType": "git"}, {"version": "d01ffb9eee4af165d83b08dd73ebdf9fe94a519b", "lessThan": "81d8240b0a243b3ddd8fa8aa172f1acc2f7cc8f3", "status": "affected", "versionType": "git"}, {"version": "d01ffb9eee4af165d83b08dd73ebdf9fe94a519b", "lessThan": "1ea02699c7557eeb35ccff2bd822de1b3e09d868", "status": "affected", "versionType": "git"}, {"version": "d01ffb9eee4af165d83b08dd73ebdf9fe94a519b", "lessThan": "b505e0319852b08a3a716b64620168eab21f4ced", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/ax25/ax25_dev.c"], "versions": [{"version": "5.17", "status": "affected"}, {"version": "0", "lessThan": "5.17", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.93", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.33", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.8.12", "lessThanOrEqual": "6.8.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.9.3", "lessThanOrEqual": "6.9.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.10", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/ae467750a3765dd1092eb29f58247950a2f9b60c"}, {"url": "https://git.kernel.org/stable/c/38eb01edfdaa1562fa00429be2e33f45383b1b3a"}, {"url": "https://git.kernel.org/stable/c/81d8240b0a243b3ddd8fa8aa172f1acc2f7cc8f3"}, {"url": "https://git.kernel.org/stable/c/1ea02699c7557eeb35ccff2bd822de1b3e09d868"}, {"url": "https://git.kernel.org/stable/c/b505e0319852b08a3a716b64620168eab21f4ced"}], "title": "ax25: Fix reference count leak issues of ax25_dev", "x_generator": {"engine": "bippy-5f407fcff5a0"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T04:12:26.063Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/ae467750a3765dd1092eb29f58247950a2f9b60c", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/38eb01edfdaa1562fa00429be2e33f45383b1b3a", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/81d8240b0a243b3ddd8fa8aa172f1acc2f7cc8f3", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/1ea02699c7557eeb35ccff2bd822de1b3e09d868", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/b505e0319852b08a3a716b64620168eab21f4ced", "tags": ["x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-38602", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T17:13:18.286377Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T17:34:53.956Z"}}]}}

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This will cause a memory leak.\n\nMemory leak issues in ax25_dev_device_down():\n\nThe reference count of ax25_dev is set to 1 in ax25_dev_device_up() and\nthen increase the reference count when ax25_dev is added to ax25_dev_list.\nAs a result, the reference count of ax25_dev is 2. But when the device is\nshutting down. The ax25_dev_device_down() drops the reference count once\nor twice depending on if we goto unlock_put or not, which will cause\nmemory leak.\n\nAs for the issue of ax25_addr_ax25dev(), it is impossible for one pointer\nto be on a list twice. So add a break in ax25_addr_ax25dev(). As for the\nissue of ax25_dev_device_down(), increase the reference count of ax25_dev\nonce in ax25_dev_device_up() and decrease the reference count of ax25_dev\nafter it is removed from the ax25_dev_list."}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-05T09:30:42.441Z"}}}, "cveMetadata": {"cveId": "CVE-2024-38602", "state": "PUBLISHED", "dateUpdated": "2024-11-05T09:30:42.441Z", "dateReserved": "2024-06-18T19:36:34.933Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-06-19T13:48:13.768Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "899D7A4F-A23D-4FA2-84B4-4BAA03F98BBC", "versionEndExcluding": "6.1.93", "versionStartIncluding": "5.17", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "FCE796DF-3B50-4DC6-BAE5-95271068FC9E", "versionEndExcluding": "6.6.33", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "80550309-67AB-4FD1-AC07-3DED5C4F01B2", "versionEndExcluding": "6.8.12", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E07124C1-19E8-4D21-828D-9932A01D3011", "versionEndExcluding": "6.9.3", "versionStartIncluding": "6.9", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nax25: Fix reference count leak issues of ax25_dev\n\nThe ax25_addr_ax25dev() and ax25_dev_device_down() exist a reference\ncount leak issue of the object \"ax25_dev\".\n\nMemory leak issue in ax25_addr_ax25dev():\n\nThe reference count of the object \"ax25_dev\" can be increased multiple\ntimes in ax25_addr_ax25dev(). This will cause a memory leak.\n\nMemory leak issues in ax25_dev_device_down():\n\nThe reference count of ax25_dev is set to 1 in ax25_dev_device_up() and\nthen increase the reference count when ax25_dev is added to ax25_dev_list.\nAs a result, the reference count of ax25_dev is 2. But when the device is\nshutting down. The ax25_dev_device_down() drops the reference count once\nor twice depending on if we goto unlock_put or not, which will cause\nmemory leak.\n\nAs for the issue of ax25_addr_ax25dev(), it is impossible for one pointer\nto be on a list twice. So add a break in ax25_addr_ax25dev(). As for the\nissue of ax25_dev_device_down(), increase the reference count of ax25_dev\nonce in ax25_dev_device_up() and decrease the reference count of ax25_dev\nafter it is removed from the ax25_dev_list."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ax25: soluciona problemas de p\u00e9rdida de recuento de referencias de ax25_dev. Ax25_addr_ax25dev() y ax25_dev_device_down() existen un problema de p\u00e9rdida de recuento de referencias del objeto \"ax25_dev\". Problema de p\u00e9rdida de memoria en ax25_addr_ax25dev(): el recuento de referencias del objeto \"ax25_dev\" se puede aumentar varias veces en ax25_addr_ax25dev(). Esto provocar\u00e1 una p\u00e9rdida de memoria. Problemas de p\u00e9rdida de memoria en ax25_dev_device_down(): el recuento de referencias de ax25_dev se establece en 1 en ax25_dev_device_up() y luego aumenta el recuento de referencias cuando se agrega ax25_dev a ax25_dev_list. Como resultado, el recuento de referencia de ax25_dev es 2. Pero cuando el dispositivo se est\u00e1 apagando. El ax25_dev_device_down() reduce el recuento de referencias una o dos veces dependiendo de si vamos a unlock_put o no, lo que provocar\u00e1 una p\u00e9rdida de memoria. En cuanto al problema de ax25_addr_ax25dev(), es imposible que un puntero est\u00e9 en una lista dos veces. Entonces agregue una interrupci\u00f3n en ax25_addr_ax25dev(). En cuanto al problema de ax25_dev_device_down(), aumente el recuento de referencias de ax25_dev una vez en ax25_dev_device_up() y disminuya el recuento de referencias de ax25_dev despu\u00e9s de que se elimine de ax25_dev_list."}], "id": "CVE-2024-38602", "lastModified": "2024-11-21T09:26:27.547", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "[email protected]", "type": "Primary"}]}, "published": "2024-06-19T14:15:20.183", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1ea02699c7557eeb35ccff2bd822de1b3e09d868"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/38eb01edfdaa1562fa00429be2e33f45383b1b3a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/81d8240b0a243b3ddd8fa8aa172f1acc2f7cc8f3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ae467750a3765dd1092eb29f58247950a2f9b60c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b505e0319852b08a3a716b64620168eab21f4ced"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1ea02699c7557eeb35ccff2bd822de1b3e09d868"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/38eb01edfdaa1562fa00429be2e33f45383b1b3a"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/81d8240b0a243b3ddd8fa8aa172f1acc2f7cc8f3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ae467750a3765dd1092eb29f58247950a2f9b60c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b505e0319852b08a3a716b64620168eab21f4ced"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "[email protected]", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: ax25: Fix reference count leak issues of ax25_dev", "id": "2293363", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2293363"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L", "status": "draft"}, "cwe": "CWE-402", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nax25: Fix reference count leak issues of ax25_dev\nThe ax25_addr_ax25dev() and ax25_dev_device_down() exist a reference\ncount leak issue of the object \"ax25_dev\".\nMemory leak issue in ax25_addr_ax25dev():\nThe reference count of the object \"ax25_dev\" can be increased multiple\ntimes in ax25_addr_ax25dev(). This will cause a memory leak.\nMemory leak issues in ax25_dev_device_down():\nThe reference count of ax25_dev is set to 1 in ax25_dev_device_up() and\nthen increase the reference count when ax25_dev is added to ax25_dev_list.\nAs a result, the reference count of ax25_dev is 2. But when the device is\nshutting down. The ax25_dev_device_down() drops the reference count once\nor twice depending on if we goto unlock_put or not, which will cause\nmemory leak.\nAs for the issue of ax25_addr_ax25dev(), it is impossible for one pointer\nto be on a list twice. So add a break in ax25_addr_ax25dev(). As for the\nissue of ax25_dev_device_down(), increase the reference count of ax25_dev\nonce in ax25_dev_device_up() and decrease the reference count of ax25_dev\nafter it is removed from the ax25_dev_list."], "name": "CVE-2024-38602", "package_state": [{"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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-06-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-38602\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-38602\nhttps://lore.kernel.org/linux-cve-announce/2024061924-CVE-2024-38602-e098@gregkh/T"], "threat_severity": "Low", "upstream_fix": "kernel 6.1.93, kernel 6.6.33, kernel 6.8.12, kernel 6.9.3, kernel 6.10-rc1"}