CVE-2024-53106

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Have a conditional\nstatement to handle this."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H", "baseScore": 7.3, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:L - Triggering requires local file operations \u2014 an unprivileged process holding a file open for write while another mmap()s it PROT_EXEC \u2014 to generate an IMA integrity violation record. There is no network-facing path to `ima_rdwr_violation_check()`.\nAC:L - The attacker fully controls both processes and both files involved, so violation records can be generated deterministically and repeatedly with a few syscalls. Nothing about the trigger depends on timing, memory layout, or victim state the attacker cannot influence.\nPR:L - The built-in default measurement policy applies `MEASURE func=MMAP_CHECK mask=MAY_EXEC` to all users with no uid gate, so any unprivileged local account can drive `ima_add_violation()` on a file it owns. No capability, namespace trick, or root access is needed.\nUI:N - The attacker's own two processes perform every step (open for write, mmap PROT_EXEC); no other user or administrator has to act. Exploitation is entirely self-contained.\nS:U - The out-of-bounds read, the leaked data, and the crash all occur within the kernel's own security authority. No VM, IOMMU, or sandbox boundary is crossed.\nC:H - The bogus length drives `memcpy()` far past a ~201-byte stack buffer, copying adjacent kernel stack memory into the measurement entry, which `ima_print_digest()` renders in hex to securityfs and which is exported to remote attestation verifiers \u2014 an unbounded kernel memory disclosure that can expose stack canaries and KASLR-defeating pointers. The read is not bounded to a few bytes.\nI:L - There is no out-of-bounds write \u2014 the kzalloc'd destination is sized to the bogus length \u2014 so no arbitrary-write or control-flow primitive exists. The integrity impact is limited to falsifying IMA measurement-log entries and the TPM PCR extend values, corrupting the attestation record.\nA:H - The oversized `memcpy()` from a stack buffer triggers `fortify_panic()` on CONFIG_FORTIFY_SOURCE builds, a VMAP_STACK guard-page fault for large lengths, or a KASAN stack-out-of-bounds report; an out-of-range value additionally causes a `kzalloc` order WARN. 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Have a conditional\nstatement to handle this."}, {"lang": "es", "value": " En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ima: se corrige el desbordamiento del b\u00fafer en la funci\u00f3n ima_eventdigest_init_common La funci\u00f3n ima_eventdigest_init() llama a ima_eventdigest_init_common() con HASH_ALGO__LAST, que luego se utiliza para acceder a la matriz hash_digest_size[], lo que provoca un desbordamiento del b\u00fafer. Se debe tener una declaraci\u00f3n condicional para manejar esto."}], "id": "CVE-2024-53106", "lastModified": "2026-08-04T11:21:53.407", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.5, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-53106", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-10-01T20:10:54.266565Z", "version": "2.0.3"}}]}, "published": "2024-12-02T14:15:11.420", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1ecf0df5205cfb0907eb7984b8671257965a5232"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8a84765c62cc0469864e2faee43aae253ad16082"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/923168a0631bc42fffd55087b337b1b6c54dcff5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e01aae58e818503f2ffcd34c6f7dc6f90af1057e"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: ima: fix buffer overrun in ima_eventdigest_init_common", "id": "2329922", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2329922"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-119", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nima: fix buffer overrun in ima_eventdigest_init_common\nFunction ima_eventdigest_init() calls ima_eventdigest_init_common()\nwith HASH_ALGO__LAST which is then used to access the array\nhash_digest_size[] leading to buffer overrun. Have a conditional\nstatement to handle this."], "name": "CVE-2024-53106", "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": "2024-12-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-53106\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-53106\nhttps://lore.kernel.org/linux-cve-announce/2024120246-CVE-2024-53106-8432@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-13T21:07:17.781955+00:00", "updated": "2025-07-13T21:07:17.782015+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}