{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-38184", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:23.992Z", "datePublished": "2025-07-04T13:37:11.226Z", "dateUpdated": "2025-07-04T13:37:11.226Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-07-04T13:37:11.226Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntipc: fix null-ptr-deref when acquiring remote ip of ethernet bearer\n\nThe reproduction steps:\n1. create a tun interface\n2. enable l2 bearer\n3. TIPC_NL_UDP_GET_REMOTEIP with media name set to tun\n\ntipc: Started in network mode\ntipc: Node identity 8af312d38a21, cluster identity 4711\ntipc: Enabled bearer <eth:syz_tun>, priority 1\nOops: general protection fault\nKASAN: null-ptr-deref in range\nCPU: 1 UID: 1000 PID: 559 Comm: poc Not tainted 6.16.0-rc1+ #117 PREEMPT\nHardware name: QEMU Ubuntu 24.04 PC\nRIP: 0010:tipc_udp_nl_dump_remoteip+0x4a4/0x8f0\n\nthe ub was in fact a struct dev.\n\nwhen bid != 0 && skip_cnt != 0, bearer_list[bid] may be NULL or\nother media when other thread changes it.\n\nfix this by checking media_id."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/tipc/udp_media.c"], "versions": [{"version": "832629ca5c313e122b22b8e73a6d80f111b1a1ae", "lessThan": "3998283e4c32c0fe69edd59b0876c193f50abce6", "status": "affected", "versionType": "git"}, {"version": "832629ca5c313e122b22b8e73a6d80f111b1a1ae", "lessThan": "c2e17984752b9131061d1a2ca1199da2706337fd", "status": "affected", "versionType": "git"}, {"version": "832629ca5c313e122b22b8e73a6d80f111b1a1ae", "lessThan": "8595350615f952fcf8bc861464a6bf6b1129af50", "status": "affected", "versionType": "git"}, {"version": "832629ca5c313e122b22b8e73a6d80f111b1a1ae", "lessThan": "05d332ba075753d569d66333d62d60fff5f57ad8", "status": "affected", "versionType": "git"}, {"version": "832629ca5c313e122b22b8e73a6d80f111b1a1ae", "lessThan": "d3dfe821dfe091c0045044343c8d86596d66e2cf", "status": "affected", "versionType": "git"}, {"version": "832629ca5c313e122b22b8e73a6d80f111b1a1ae", "lessThan": "0d3d91c3500f0c480e016faa4e2259c588616e59", "status": "affected", "versionType": "git"}, {"version": "832629ca5c313e122b22b8e73a6d80f111b1a1ae", "lessThan": "0f4a72fb266e48dbe928e1d936eab149e4ac3e1b", "status": "affected", "versionType": "git"}, {"version": "832629ca5c313e122b22b8e73a6d80f111b1a1ae", "lessThan": "f82727adcf2992822e12198792af450a76ebd5ef", "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/tipc/udp_media.c"], "versions": [{"version": "4.9", "status": "affected"}, {"version": "0", "lessThan": "4.9", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.295", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.239", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.186", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.142", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.95", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.35", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.15.4", "lessThanOrEqual": "6.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.16-rc3", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9", "versionEndExcluding": "5.4.295"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9", "versionEndExcluding": "5.10.239"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9", "versionEndExcluding": "5.15.186"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9", "versionEndExcluding": "6.1.142"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9", "versionEndExcluding": "6.6.95"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9", "versionEndExcluding": "6.12.35"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9", "versionEndExcluding": "6.15.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9", "versionEndExcluding": "6.16-rc3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/3998283e4c32c0fe69edd59b0876c193f50abce6"}, {"url": "https://git.kernel.org/stable/c/c2e17984752b9131061d1a2ca1199da2706337fd"}, {"url": "https://git.kernel.org/stable/c/8595350615f952fcf8bc861464a6bf6b1129af50"}, {"url": "https://git.kernel.org/stable/c/05d332ba075753d569d66333d62d60fff5f57ad8"}, {"url": "https://git.kernel.org/stable/c/d3dfe821dfe091c0045044343c8d86596d66e2cf"}, {"url": "https://git.kernel.org/stable/c/0d3d91c3500f0c480e016faa4e2259c588616e59"}, {"url": "https://git.kernel.org/stable/c/0f4a72fb266e48dbe928e1d936eab149e4ac3e1b"}, {"url": "https://git.kernel.org/stable/c/f82727adcf2992822e12198792af450a76ebd5ef"}], "title": "tipc: fix null-ptr-deref when acquiring remote ip of ethernet bearer", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntipc: fix null-ptr-deref when acquiring remote ip of ethernet bearer\n\nThe reproduction steps:\n1. create a tun interface\n2. enable l2 bearer\n3. TIPC_NL_UDP_GET_REMOTEIP with media name set to tun\n\ntipc: Started in network mode\ntipc: Node identity 8af312d38a21, cluster identity 4711\ntipc: Enabled bearer <eth:syz_tun>, priority 1\nOops: general protection fault\nKASAN: null-ptr-deref in range\nCPU: 1 UID: 1000 PID: 559 Comm: poc Not tainted 6.16.0-rc1+ #117 PREEMPT\nHardware name: QEMU Ubuntu 24.04 PC\nRIP: 0010:tipc_udp_nl_dump_remoteip+0x4a4/0x8f0\n\nthe ub was in fact a struct dev.\n\nwhen bid != 0 && skip_cnt != 0, bearer_list[bid] may be NULL or\nother media when other thread changes it.\n\nfix this by checking media_id."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: tipc: corregir null-ptr-deref al adquirir la IP remota del portador Ethernet Pasos de reproducci\u00f3n: 1. crear una interfaz tun 2. habilitar el portador l2 3. TIPC_NL_UDP_GET_REMOTEIP con el nombre del medio establecido en tun tipc: iniciado en modo de red tipc: identidad del nodo 8af312d38a21, identidad del cl\u00faster 4711 tipc: portador habilitado , prioridad 1 Oops: error de protecci\u00f3n general KASAN: null-ptr-deref en el rango CPU: 1 UID: 1000 PID: 559 Comm: poc No contaminado 6.16.0-rc1+ #117 PREEMPT Nombre del hardware: QEMU Ubuntu 24.04 PC RIP: 0010:tipc_udp_nl_dump_remoteip+0x4a4/0x8f0 el ub era de hecho un struct dev. cuando bid != 0 y skip_cnt != 0, bearer_list[bid] puede ser NULL u otro medio cuando otro hilo lo cambia. solucione esto comprobando media_id."}], "id": "CVE-2025-38184", "lastModified": "2025-07-08T16:18:53.607", "metrics": {}, "published": "2025-07-04T14:15:25.237", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/05d332ba075753d569d66333d62d60fff5f57ad8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0d3d91c3500f0c480e016faa4e2259c588616e59"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0f4a72fb266e48dbe928e1d936eab149e4ac3e1b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3998283e4c32c0fe69edd59b0876c193f50abce6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8595350615f952fcf8bc861464a6bf6b1129af50"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c2e17984752b9131061d1a2ca1199da2706337fd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d3dfe821dfe091c0045044343c8d86596d66e2cf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f82727adcf2992822e12198792af450a76ebd5ef"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: tipc: fix null-ptr-deref when acquiring remote ip of ethernet bearer", "id": "2376400", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2376400"}, "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:\ntipc: fix null-ptr-deref when acquiring remote ip of ethernet bearer\nThe reproduction steps:\n1. create a tun interface\n2. enable l2 bearer\n3. TIPC_NL_UDP_GET_REMOTEIP with media name set to tun\ntipc: Started in network mode\ntipc: Node identity 8af312d38a21, cluster identity 4711\ntipc: Enabled bearer <eth:syz_tun>, priority 1\nOops: general protection fault\nKASAN: null-ptr-deref in range\nCPU: 1 UID: 1000 PID: 559 Comm: poc Not tainted 6.16.0-rc1+ #117 PREEMPT\nHardware name: QEMU Ubuntu 24.04 PC\nRIP: 0010:tipc_udp_nl_dump_remoteip+0x4a4/0x8f0\nthe ub was in fact a struct dev.\nwhen bid != 0 && skip_cnt != 0, bearer_list[bid] may be NULL or\nother media when other thread changes it.\nfix this by checking media_id."], "name": "CVE-2025-38184", "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": "2025-07-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38184\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38184\nhttps://lore.kernel.org/linux-cve-announce/2025070412-CVE-2025-38184-d45c@gregkh/T"], "threat_severity": "Moderate"}