CVE-2024-35967

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sco_sock_setsockopt+0xc0b/0xf90\nnet/bluetooth/sco.c:893\nRead of size 4 at addr ffff88805f7b15a3 by task syz-executor.5/12578"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "baseScore": 7.1, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:L - The flaw is triggered purely through the setsockopt(2) syscall on a locally created AF_BLUETOOTH/BTPROTO_SCO socket; no Bluetooth radio traffic, paired peer, or adapter link is involved in reaching the unvalidated copy.\nAC:L - Exploitation is fully deterministic and attacker-controlled \u2014 issue setsockopt(fd, SOL_BLUETOOTH, BT_PKT_STATUS/BT_DEFER_SETUP, buf, optlen<4); no race, no timing window, and no memory-layout condition outside the attacker's influence.\nPR:L - sco_sock_create() and bt_sock_create() contain no capability check (unlike HCI raw sockets), so any unprivileged local user can open a SCO socket and call setsockopt; only the permissive security_socket_setsockopt() LSM hook sits on the path.\nUI:N - The attacker performs every step itself via its own socket; no victim action, mount, or file open is needed.\nS:U - The out-of-bounds access occurs in kernel slab memory within the same security authority; there is no VM, IOMMU, or sandbox boundary crossed.\nC:H - The bug is an out-of-bounds read of kernel heap memory past the end of the optval allocation, and the disclosed value is observable back in userspace because sco_sock_getsockopt() returns the BT_SK_DEFER_SETUP/BT_SK_PKT_STATUS bits, giving a repeatable oracle over adjacent kernel memory that can be combined with heap grooming to leak kernel data.\nI:N - The defect is a read past the end of a buffer; nothing is written out of bounds, and the leaked value only toggles a flag on the attacker's own socket, so no data outside the attacker's authority is modified.\nA:H - The slab out-of-bounds read triggers a KASAN BUG/panic on hardened and debug kernels and can fault 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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"}, "scenarios": [{"lang": "en", "value": "AV:L - The flaw is triggered purely through the setsockopt(2) syscall on a locally created AF_BLUETOOTH/BTPROTO_SCO socket; no Bluetooth radio traffic, paired peer, or adapter link is involved in reaching the unvalidated copy.\nAC:L - Exploitation is fully deterministic and attacker-controlled \u2014 issue setsockopt(fd, SOL_BLUETOOTH, BT_PKT_STATUS/BT_DEFER_SETUP, buf, optlen<4); no race, no timing window, and no memory-layout condition outside the attacker's influence.\nPR:L - sco_sock_create() and bt_sock_create() contain no capability check (unlike HCI raw sockets), so any unprivileged local user can open a SCO socket and call setsockopt; only the permissive security_socket_setsockopt() LSM hook sits on the path.\nUI:N - The attacker performs every step itself via its own socket; no victim action, mount, or file open is needed.\nS:U - The out-of-bounds access occurs in kernel slab memory within the same security authority; there is no VM, IOMMU, or sandbox boundary crossed.\nC:H - The bug is an out-of-bounds read of kernel heap memory past the end of the optval allocation, and the disclosed value is observable back in userspace because sco_sock_getsockopt() returns the BT_SK_DEFER_SETUP/BT_SK_PKT_STATUS bits, giving a repeatable oracle over adjacent kernel memory that can be combined with heap grooming to leak kernel data.\nI:N - The defect is a read past the end of a buffer; nothing is written out of bounds, and the leaked value only toggles a flag on the attacker's own socket, so no data outside the attacker's authority is modified.\nA:H - The slab out-of-bounds read triggers a KASAN BUG/panic on hardened and debug kernels and can fault when the copy crosses into an unmapped or guarded page, producing a kernel oops repeatable at will by an unprivileged user."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", 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GNU/Linux subsystem", "vendor": "Siemens", "versions": [{"lessThan": "V1.1.1", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "755D01D7-CA99-4A43-8D82-05B255C87D3C", "versionEndExcluding": "5.10.216", "versionStartIncluding": "3.8", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "171159A1-9827-4C7B-821D-55398B837C49", "versionEndExcluding": "5.15.178", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "BDA59296-EDB8-44CD-98E4-C08C051569E6", "versionEndExcluding": "6.1.87", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8D6315B0-B3BA-406C-B0DB-51D9A63753F0", "versionEndExcluding": "6.6.28", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "531BDFB5-EF6A-4707-902E-146368303499", "versionEndExcluding": "6.8.7", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.9:rc1:*:*:*:*:*:*", "matchCriteriaId": "22BEDD49-2C6D-402D-9DBF-6646F6ECD10B", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.9:rc2:*:*:*:*:*:*", "matchCriteriaId": "DF73CB2A-DFFD-46FB-9BFE-AA394F27EA37", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.9:rc3:*:*:*:*:*:*", "matchCriteriaId": "52048DDA-FC5A-4363-95A0-A6357B4D7F8C", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: SCO: Fix not validating setsockopt user input\n\nsyzbot reported sco_sock_setsockopt() is copying data without\nchecking user input length.\n\nBUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset\ninclude/linux/sockptr.h:49 [inline]\nBUG: KASAN: slab-out-of-bounds in copy_from_sockptr\ninclude/linux/sockptr.h:55 [inline]\nBUG: KASAN: slab-out-of-bounds in sco_sock_setsockopt+0xc0b/0xf90\nnet/bluetooth/sco.c:893\nRead of size 4 at addr ffff88805f7b15a3 by task syz-executor.5/12578"}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: Bluetooth: SCO: la soluci\u00f3n no valida la entrada del usuario de setsockopt. syzbot inform\u00f3 que sco_sock_setsockopt() est\u00e1 copiando datos sin verificar la longitud de la entrada del usuario. BUG: KASAN: slab fuera de los l\u00edmites en copy_from_sockptr_offset include/linux/sockptr.h:49 [en l\u00ednea] BUG: KASAN: slab fuera de los l\u00edmites en copy_from_sockptr include/linux/sockptr.h:55 [en l\u00ednea] BUG: KASAN: slab fuera de los l\u00edmites en sco_sock_setsockopt+0xc0b/0xf90 net/bluetooth/sco.c:893 Lectura de tama\u00f1o 4 en la direcci\u00f3n ffff88805f7b15a3 mediante la tarea syz-executor.5/12578"}], "id": "CVE-2024-35967", "lastModified": "2026-10-15T01:18:14.543", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-35967", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-05-20T17:01:27.722344Z", "version": "2.0.3"}}]}, "published": "2024-05-20T10:15:11.647", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2c2dc87cdebef3fe3b9d7a711a984c70e376e32e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/419a0ffca7010216f0fc265b08558d7394fa0ba7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/51eda36d33e43201e7a4fd35232e069b2c850b01"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/72473db90900da970a16ee50ad23c2c38d107d8c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7bc65d23ba20dcd7ecc094a12c181e594e5eb315"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b0e30c37695b614bee69187f86eaf250e36606ce"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/419a0ffca7010216f0fc265b08558d7394fa0ba7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/51eda36d33e43201e7a4fd35232e069b2c850b01"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/72473db90900da970a16ee50ad23c2c38d107d8c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7bc65d23ba20dcd7ecc094a12c181e594e5eb315"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b0e30c37695b614bee69187f86eaf250e36606ce"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-265688.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2025:6966", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-570.12.1.el9_6", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2025-05-13T00:00:00Z"}, {"advisory": "RHSA-2025:6966", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-570.12.1.el9_6", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2025-05-13T00:00:00Z"}], "bugzilla": {"description": "kernel: Bluetooth: SCO: Fix not validating setsockopt user input", "id": "2281905", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2281905"}, "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": "verified"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nBluetooth: SCO: Fix not validating setsockopt user input\nsyzbot reported sco_sock_setsockopt() is copying data without\nchecking user input length.\nBUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset\ninclude/linux/sockptr.h:49 [inline]\nBUG: KASAN: slab-out-of-bounds in copy_from_sockptr\ninclude/linux/sockptr.h:55 [inline]\nBUG: KASAN: slab-out-of-bounds in sco_sock_setsockopt+0xc0b/0xf90\nnet/bluetooth/sco.c:893\nRead of size 4 at addr ffff88805f7b15a3 by task syz-executor.5/12578", "This CVE pertains to a vulnerability in the Linux kernel's Bluetooth subsystem, specifically within the SCO (Synchronous Connection-Oriented) protocol. The issue arises from the sco_sock_setsockopt() function, which copies data without properly validating the length of user input. This oversight can lead to a slab-out-of-bounds read, potentially causing system instability or crashes."], "name": "CVE-2024-35967", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "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-2024-35967\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-35967\nhttps://lore.kernel.org/linux-cve-announce/2024052022-CVE-2024-35967-d111@gregkh/T"], "threat_severity": "Moderate"}

{}