{"dataType": "CVE_RECORD", "cveMetadata": {"cveId": "CVE-2024-35955", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-17T13:50:33.136Z", "datePublished": "2024-05-20T09:41:48.607Z", "dateUpdated": "2024-08-02T03:21:48.971Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-05-29T05:31:55.079Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nkprobes: Fix possible use-after-free issue on kprobe registration\n\nWhen unloading a module, its state is changing MODULE_STATE_LIVE ->\n MODULE_STATE_GOING -> MODULE_STATE_UNFORMED. Each change will take\na time. `is_module_text_address()` and `__module_text_address()`\nworks with MODULE_STATE_LIVE and MODULE_STATE_GOING.\nIf we use `is_module_text_address()` and `__module_text_address()`\nseparately, there is a chance that the first one is succeeded but the\nnext one is failed because module->state becomes MODULE_STATE_UNFORMED\nbetween those operations.\n\nIn `check_kprobe_address_safe()`, if the second `__module_text_address()`\nis failed, that is ignored because it expected a kernel_text address.\nBut it may have failed simply because module->state has been changed\nto MODULE_STATE_UNFORMED. In this case, arm_kprobe() will try to modify\nnon-exist module text address (use-after-free).\n\nTo fix this problem, we should not use separated `is_module_text_address()`\nand `__module_text_address()`, but use only `__module_text_address()`\nonce and do `try_module_get(module)` which is only available with\nMODULE_STATE_LIVE."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/kprobes.c"], "versions": [{"version": "1c836bad43f3", "lessThan": "b5808d400934", "status": "affected", "versionType": "git"}, {"version": "6a119c1a584a", "lessThan": "93eb31e7c339", "status": "affected", "versionType": "git"}, {"version": "2a49b025c36a", "lessThan": "5062d1f4f07f", "status": "affected", "versionType": "git"}, {"version": "a1edb85e60fd", "lessThan": "2df2dd27066c", "status": "affected", "versionType": "git"}, {"version": "28f6c37a2910", "lessThan": 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"https://git.kernel.org/stable/c/d15023fb407337028a654237d8968fefdcf87c2f"}, {"url": "https://git.kernel.org/stable/c/36b57c7d2f8b7de224980f1a284432846ad71ca0"}, {"url": "https://git.kernel.org/stable/c/325f3fb551f8cd672dbbfc4cf58b14f9ee3fc9e8"}, {"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"}, {"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"}], "title": "kprobes: Fix possible use-after-free issue on kprobe registration", "x_generator": {"engine": "bippy-a5840b7849dd"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-416", "lang": "en", "description": "CWE-416 Use After Free"}]}], "affected": [{"vendor": "linux", "product": "linux_kernel", "cpes": ["cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "1c836bad43f3", "status": "affected", "lessThan": "b5808d400934", "versionType": "git"}, {"version": "6a119c1a584a", "status": "affected", "lessThan": 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"privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2024-05-20T17:42:32.103628Z", "id": "CVE-2024-35955", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-08-01T13:44:14.513Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T03:21:48.971Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/b5808d40093403334d939e2c3c417144d12a6f33", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/93eb31e7c3399e326259f2caa17be1e821f5a412", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/5062d1f4f07facbdade0f402d9a04a788f52e26d", "tags": 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{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2024-35955", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2024-05-20T17:42:32.103628Z"}}}], "affected": [{"cpes": ["cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*"], "vendor": "linux", "product": "linux_kernel", "versions": [{"status": "affected", "version": "1c836bad43f3", "lessThan": "b5808d400934", "versionType": "git"}, {"status": "affected", "version": "6a119c1a584a", "lessThan": "93eb31e7c339", "versionType": "git"}, {"status": "affected", "version": "2a49b025c36a", "lessThan": "93eb31e7c339", "versionType": "git"}, {"status": "affected", "version": "a1edb85e60fd", "lessThan": "2df2dd27066c", "versionType": "git"}, {"status": "affected", "version": "28f6c37a2910", "lessThan": "62029bc9ff2c", "versionType": "git"}, {"status": "affected", "version": "28f6c37a2910", "lessThan": "d15023fb4073", "versionType": "git"}, {"status": "affected", "version": "28f6c37a2910", "lessThan": "36b57c7d2f8b", "versionType": "git"}, {"status": "affected", "version": "28f6c37a2910", "lessThan": "325f3fb551f8", "versionType": "git"}, {"status": "affected", "version": "6.0"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-05-20T17:47:26.987Z"}}], "cna": {"title": "kprobes: Fix possible use-after-free issue on kprobe registration", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "1c836bad43f3", "lessThan": "b5808d400934", "versionType": "git"}, {"status": "affected", "version": "6a119c1a584a", "lessThan": "93eb31e7c339", "versionType": "git"}, {"status": "affected", "version": "2a49b025c36a", "lessThan": "5062d1f4f07f", "versionType": "git"}, {"status": "affected", "version": "a1edb85e60fd", "lessThan": "2df2dd27066c", "versionType": "git"}, {"status": "affected", "version": "28f6c37a2910", "lessThan": "62029bc9ff2c", "versionType": "git"}, {"status": "affected", "version": "28f6c37a2910", "lessThan": "d15023fb4073", "versionType": "git"}, {"status": "affected", "version": "28f6c37a2910", "lessThan": "36b57c7d2f8b", "versionType": "git"}, {"status": "affected", "version": "28f6c37a2910", "lessThan": "325f3fb551f8", "versionType": "git"}], "programFiles": ["kernel/kprobes.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.0"}, {"status": "unaffected", "version": "0", "lessThan": "6.0", "versionType": "custom"}, {"status": "unaffected", "version": "4.19.313", "versionType": "custom", "lessThanOrEqual": "4.19.*"}, {"status": "unaffected", "version": "5.4.275", "versionType": "custom", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.216", "versionType": "custom", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.157", "versionType": "custom", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.87", "versionType": "custom", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.28", "versionType": "custom", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.8.7", "versionType": "custom", "lessThanOrEqual": "6.8.*"}, {"status": "unaffected", "version": "6.9", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["kernel/kprobes.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/b5808d40093403334d939e2c3c417144d12a6f33"}, {"url": "https://git.kernel.org/stable/c/93eb31e7c3399e326259f2caa17be1e821f5a412"}, {"url": "https://git.kernel.org/stable/c/5062d1f4f07facbdade0f402d9a04a788f52e26d"}, {"url": "https://git.kernel.org/stable/c/2df2dd27066cdba8041e46a64362325626bdfb2e"}, {"url": "https://git.kernel.org/stable/c/62029bc9ff2c17a4e3a2478d83418ec575413808"}, {"url": "https://git.kernel.org/stable/c/d15023fb407337028a654237d8968fefdcf87c2f"}, {"url": "https://git.kernel.org/stable/c/36b57c7d2f8b7de224980f1a284432846ad71ca0"}, {"url": "https://git.kernel.org/stable/c/325f3fb551f8cd672dbbfc4cf58b14f9ee3fc9e8"}, {"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"}, {"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"}], "x_generator": {"engine": "bippy-a5840b7849dd"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nkprobes: Fix possible use-after-free issue on kprobe registration\n\nWhen unloading a module, its state is changing MODULE_STATE_LIVE ->\n MODULE_STATE_GOING -> MODULE_STATE_UNFORMED. Each change will take\na time. `is_module_text_address()` and `__module_text_address()`\nworks with MODULE_STATE_LIVE and MODULE_STATE_GOING.\nIf we use `is_module_text_address()` and `__module_text_address()`\nseparately, there is a chance that the first one is succeeded but the\nnext one is failed because module->state becomes MODULE_STATE_UNFORMED\nbetween those operations.\n\nIn `check_kprobe_address_safe()`, if the second `__module_text_address()`\nis failed, that is ignored because it expected a kernel_text address.\nBut it may have failed simply because module->state has been changed\nto MODULE_STATE_UNFORMED. In this case, arm_kprobe() will try to modify\nnon-exist module text address (use-after-free).\n\nTo fix this problem, we should not use separated `is_module_text_address()`\nand `__module_text_address()`, but use only `__module_text_address()`\nonce and do `try_module_get(module)` which is only available with\nMODULE_STATE_LIVE."}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-05-29T05:31:55.079Z"}}}, "cveMetadata": {"cveId": "CVE-2024-35955", "state": "PUBLISHED", "dateUpdated": "2024-08-01T13:44:14.513Z", "dateReserved": "2024-05-17T13:50:33.136Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-05-20T09:41:48.607Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nkprobes: Fix possible use-after-free issue on kprobe registration\n\nWhen unloading a module, its state is changing MODULE_STATE_LIVE ->\n MODULE_STATE_GOING -> MODULE_STATE_UNFORMED. Each change will take\na time. `is_module_text_address()` and `__module_text_address()`\nworks with MODULE_STATE_LIVE and MODULE_STATE_GOING.\nIf we use `is_module_text_address()` and `__module_text_address()`\nseparately, there is a chance that the first one is succeeded but the\nnext one is failed because module->state becomes MODULE_STATE_UNFORMED\nbetween those operations.\n\nIn `check_kprobe_address_safe()`, if the second `__module_text_address()`\nis failed, that is ignored because it expected a kernel_text address.\nBut it may have failed simply because module->state has been changed\nto MODULE_STATE_UNFORMED. In this case, arm_kprobe() will try to modify\nnon-exist module text address (use-after-free).\n\nTo fix this problem, we should not use separated `is_module_text_address()`\nand `__module_text_address()`, but use only `__module_text_address()`\nonce and do `try_module_get(module)` which is only available with\nMODULE_STATE_LIVE."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: kprobes: soluciona un posible problema de use after free en el registro de kprobe Al descargar un m\u00f3dulo, su estado cambia MODULE_STATE_LIVE -> MODULE_STATE_GOING -> MODULE_STATE_UNFORMED. Cada cambio llevar\u00e1 un tiempo. `is_module_text_address()` y `__module_text_address()` funcionan con MODULE_STATE_LIVE y MODULE_STATE_GOING. Si usamos `is_module_text_address()` y `__module_text_address()` por separado, existe la posibilidad de que el primero tenga \u00e9xito pero el siguiente falle porque module->state se convierte en MODULE_STATE_UNFORMED entre esas operaciones. En `check_kprobe_address_safe()`, si el segundo `__module_text_address()` falla, se ignora porque esperaba una direcci\u00f3n kernel_text. Pero es posible que haya fallado simplemente porque m\u00f3dulo->estado se cambi\u00f3 a MODULE_STATE_UNFORMED. En este caso, arm_kprobe() intentar\u00e1 modificar la direcci\u00f3n de texto del m\u00f3dulo que no existe (use after free). Para solucionar este problema, no debemos usar `is_module_text_address()` y `__module_text_address()` separados, sino usar solo `__module_text_address()` una vez y hacer `try_module_get(module)` que solo est\u00e1 disponible con MODULE_STATE_LIVE."}], "id": "CVE-2024-35955", "lastModified": "2024-07-03T02:02:29.083", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-05-20T10:15:10.850", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2df2dd27066cdba8041e46a64362325626bdfb2e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/325f3fb551f8cd672dbbfc4cf58b14f9ee3fc9e8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/36b57c7d2f8b7de224980f1a284432846ad71ca0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5062d1f4f07facbdade0f402d9a04a788f52e26d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/62029bc9ff2c17a4e3a2478d83418ec575413808"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/93eb31e7c3399e326259f2caa17be1e821f5a412"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b5808d40093403334d939e2c3c417144d12a6f33"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d15023fb407337028a654237d8968fefdcf87c2f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: kprobes: Fix possible use-after-free issue on kprobe registration", "id": "2281931", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2281931"}, "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"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nkprobes: Fix possible use-after-free issue on kprobe registration\nWhen unloading a module, its state is changing MODULE_STATE_LIVE ->\nMODULE_STATE_GOING -> MODULE_STATE_UNFORMED. Each change will take\na time. `is_module_text_address()` and `__module_text_address()`\nworks with MODULE_STATE_LIVE and MODULE_STATE_GOING.\nIf we use `is_module_text_address()` and `__module_text_address()`\nseparately, there is a chance that the first one is succeeded but the\nnext one is failed because module->state becomes MODULE_STATE_UNFORMED\nbetween those operations.\nIn `check_kprobe_address_safe()`, if the second `__module_text_address()`\nis failed, that is ignored because it expected a kernel_text address.\nBut it may have failed simply because module->state has been changed\nto MODULE_STATE_UNFORMED. In this case, arm_kprobe() will try to modify\nnon-exist module text address (use-after-free).\nTo fix this problem, we should not use separated `is_module_text_address()`\nand `__module_text_address()`, but use only `__module_text_address()`\nonce and do `try_module_get(module)` which is only available with\nMODULE_STATE_LIVE."], "name": "CVE-2024-35955", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "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": "2024-05-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-35955\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-35955\nhttps://lore.kernel.org/linux-cve-announce/2024052018-CVE-2024-35955-2555@gregkh/T"], "threat_severity": "Moderate", "upstream_fix": "kernel 4.19.313, kernel 5.4.275, kernel 5.10.216, kernel 5.15.157, kernel 6.1.87, kernel 6.6.28, kernel 6.8.7, kernel 6.9"}