CVE-2024-47734

{"id": "CVE-2024-47734", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2024-10-21T13:15:03.547", "references": [{"url": "https://git.kernel.org/stable/c/0cbfd45fbcf0cb26d85c981b91c62fe73cdee01c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/57b5fba55c6f8b1d83312a34bd656166fcd95658", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/6b64197b4bf1a5703a8b105367baf20f1e627a75", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/72e2c0825a480e19ee999cee9d018850d38c82b9", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c1be35e774f8ed415e01209fddd963c5a74e8e9f", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ccd3e6ff05e5236d1b9535f23f3e6622e0bb32b8", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbonding: Fix unnecessary warnings and logs from bond_xdp_get_xmit_slave()\n\nsyzbot reported a WARNING in bond_xdp_get_xmit_slave. To reproduce\nthis[1], one bond device (bond1) has xdpdrv, which increases\nbpf_master_redirect_enabled_key. Another bond device (bond0) which is\nunsupported by XDP but its slave (veth3) has xdpgeneric that returns\nXDP_TX. This triggers WARN_ON_ONCE() from the xdp_master_redirect().\nTo reduce unnecessary warnings and improve log management, we need to\ndelete the WARN_ON_ONCE() and add ratelimit to the netdev_err().\n\n[1] Steps to reproduce:\n # Needs tx_xdp with return XDP_TX;\n ip l add veth0 type veth peer veth1\n ip l add veth3 type veth peer veth4\n ip l add bond0 type bond mode 6 # BOND_MODE_ALB, unsupported by XDP\n ip l add bond1 type bond # BOND_MODE_ROUNDROBIN by default\n ip l set veth0 master bond1\n ip l set bond1 up\n # Increases bpf_master_redirect_enabled_key\n ip l set dev bond1 xdpdrv object tx_xdp.o section xdp_tx\n ip l set veth3 master bond0\n ip l set bond0 up\n ip l set veth4 up\n # Triggers WARN_ON_ONCE() from the xdp_master_redirect()\n ip l set veth3 xdpgeneric object tx_xdp.o section xdp_tx"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: bonding: Corrija las advertencias y registros innecesarios de bond_xdp_get_xmit_slave() syzbot inform\u00f3 una ADVERTENCIA en bond_xdp_get_xmit_slave. Para reproducir esto[1], un dispositivo de enlace (bond1) tiene xdpdrv, que aumenta bpf_master_redirect_enabled_key. Otro dispositivo de enlace (bond0) que no es compatible con XDP pero su esclavo (veth3) tiene xdpgeneric que devuelve XDP_TX. Esto activa WARN_ON_ONCE() desde xdp_master_redirect(). Para reducir las advertencias innecesarias y mejorar la gesti\u00f3n de registros, debemos eliminar WARN_ON_ONCE() y agregar ratelimit a netdev_err(). [1] Pasos para reproducir: # Necesita tx_xdp con return XDP_TX; ip l add veth0 type veth peer veth1 ip l add veth3 type veth peer veth4 ip l add bond0 type bond mode 6 # BOND_MODE_ALB, no compatible con XDP ip l add bond1 type bond # BOND_MODE_ROUNDROBIN de forma predeterminada ip l set veth0 master bond1 ip l set bond1 up # Aumenta bpf_master_redirect_enabled_key ip l set dev bond1 xdpdrv object tx_xdp.o section xdp_tx ip l set veth3 master bond0 ip l set bond0 up ip l set veth4 up # Activa WARN_ON_ONCE() desde xdp_master_redirect() ip l set veth3 xdpgeneric object tx_xdp.o section xdp_tx"}], "lastModified": "2024-10-23T17:16:13.457", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "151D0F58-4482-4AA5-87D2-803A6F5164C1", "versionEndExcluding": "5.15.168", "versionStartIncluding": "5.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D01BD22E-ACD1-4618-9D01-6116570BE1EE", "versionEndExcluding": "6.1.113", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D448821D-C085-4CAF-88FA-2DDE7BE21976", "versionEndExcluding": "6.6.54", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CE94BB8D-B0AB-4563-9ED7-A12122B56EBE", "versionEndExcluding": "6.10.13", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AB755D26-97F4-43B6-8604-CD076811E181", "versionEndExcluding": "6.11.2", "versionStartIncluding": "6.11"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}