{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-38462", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:24.020Z", "datePublished": "2025-07-25T15:27:45.168Z", "dateUpdated": "2026-05-11T21:28:28.695Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:28:28.695Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvsock: Fix transport_{g2h,h2g} TOCTOU\n\nvsock_find_cid() and vsock_dev_do_ioctl() may race with module unload.\ntransport_{g2h,h2g} may become NULL after the NULL check.\n\nIntroduce vsock_transport_local_cid() to protect from a potential\nnull-ptr-deref.\n\nKASAN: null-ptr-deref in range [0x0000000000000118-0x000000000000011f]\nRIP: 0010:vsock_find_cid+0x47/0x90\nCall Trace:\n 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"https://git.kernel.org/stable/c/c5496ee685c48ed1cc183cd4263602579bb4a615"}, {"url": "https://git.kernel.org/stable/c/80d7dc15805a93d520a249ac6d13d4f4df161c1b"}, {"url": "https://git.kernel.org/stable/c/5752d8dbb3dfd7f1a9faf0f65377e60826ea9a17"}, {"url": "https://git.kernel.org/stable/c/401239811fa728fcdd53e360a91f157ffd23e1f4"}, {"url": "https://git.kernel.org/stable/c/3734d78210cceb2ee5615719a62a5c55ed381ff8"}, {"url": "https://git.kernel.org/stable/c/6a1bcab67bea797d83aa9dd948a0ac6ed52d121d"}, {"url": "https://git.kernel.org/stable/c/209fd720838aaf1420416494c5505096478156b4"}], "title": "vsock: Fix transport_{g2h,h2g} TOCTOU", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", 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Se ha implementado vsock_transport_local_cid() para proteger contra una posible desreferencia de PTR nula. KASAN: null-ptr-deref in range [0x0000000000000118-0x000000000000011f] RIP: 0010:vsock_find_cid+0x47/0x90 Call Trace: __vsock_bind+0x4b2/0x720 vsock_bind+0x90/0xe0 __sys_bind+0x14d/0x1e0 __x64_sys_bind+0x6e/0xc0 do_syscall_64+0x92/0x1c0 entry_SYSCALL_64_after_hwframe+0x4b/0x53 KASAN: null-ptr-deref in range [0x0000000000000118-0x000000000000011f] RIP: 0010:vsock_dev_do_ioctl.isra.0+0x58/0xf0 Call Trace: __x64_sys_ioctl+0x12d/0x190 do_syscall_64+0x92/0x1c0 entry_SYSCALL_64_after_hwframe+0x4b/0x53"}], "id": "CVE-2025-38462", "lastModified": "2025-12-22T21:52:34.220", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-07-25T16:15:32.117", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/209fd720838aaf1420416494c5505096478156b4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3734d78210cceb2ee5615719a62a5c55ed381ff8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/401239811fa728fcdd53e360a91f157ffd23e1f4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5752d8dbb3dfd7f1a9faf0f65377e60826ea9a17"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6a1bcab67bea797d83aa9dd948a0ac6ed52d121d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/80d7dc15805a93d520a249ac6d13d4f4df161c1b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c5496ee685c48ed1cc183cd4263602579bb4a615"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-367"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: vsock: Fix transport_{g2h,h2g} TOCTOU", "id": "2383522", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2383522"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nvsock: Fix transport_{g2h,h2g} TOCTOU\nvsock_find_cid() and vsock_dev_do_ioctl() may race with module unload.\ntransport_{g2h,h2g} may become NULL after the NULL check.\nIntroduce vsock_transport_local_cid() to protect from a potential\nnull-ptr-deref.\nKASAN: null-ptr-deref in range [0x0000000000000118-0x000000000000011f]\nRIP: 0010:vsock_find_cid+0x47/0x90\nCall Trace:\n__vsock_bind+0x4b2/0x720\nvsock_bind+0x90/0xe0\n__sys_bind+0x14d/0x1e0\n__x64_sys_bind+0x6e/0xc0\ndo_syscall_64+0x92/0x1c0\nentry_SYSCALL_64_after_hwframe+0x4b/0x53\nKASAN: null-ptr-deref in range [0x0000000000000118-0x000000000000011f]\nRIP: 0010:vsock_dev_do_ioctl.isra.0+0x58/0xf0\nCall Trace:\n__x64_sys_ioctl+0x12d/0x190\ndo_syscall_64+0x92/0x1c0\nentry_SYSCALL_64_after_hwframe+0x4b/0x53"], "name": "CVE-2025-38462", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-07-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38462\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38462\nhttps://lore.kernel.org/linux-cve-announce/2025072507-CVE-2025-38462-3e15@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-26T11:22:05.400290+00:00", "updated": "2025-07-26T11:22:05.400351+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}