CVE-2024-47734 (GCVE-0-2024-47734)
Vulnerability from cvelistv5
Published
2024-10-21 12:14
Modified
2025-05-04 09:38
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: bonding: Fix unnecessary warnings and logs from bond_xdp_get_xmit_slave() syzbot reported a WARNING in bond_xdp_get_xmit_slave. To reproduce this[1], one bond device (bond1) has xdpdrv, which increases bpf_master_redirect_enabled_key. Another bond device (bond0) which is unsupported by XDP but its slave (veth3) has xdpgeneric that returns XDP_TX. This triggers WARN_ON_ONCE() from the xdp_master_redirect(). To reduce unnecessary warnings and improve log management, we need to delete the WARN_ON_ONCE() and add ratelimit to the netdev_err(). [1] Steps to reproduce: # Needs tx_xdp with 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, unsupported by XDP ip l add bond1 type bond # BOND_MODE_ROUNDROBIN by default ip l set veth0 master bond1 ip l set bond1 up # Increases 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 # Triggers WARN_ON_ONCE() from the xdp_master_redirect() ip l set veth3 xdpgeneric object tx_xdp.o section xdp_tx
References
Impacted products
Vendor Product Version
Linux Linux Version: 9e2ee5c7e7c35d195e2aa0692a7241d47a433d1e
Version: 9e2ee5c7e7c35d195e2aa0692a7241d47a433d1e
Version: 9e2ee5c7e7c35d195e2aa0692a7241d47a433d1e
Version: 9e2ee5c7e7c35d195e2aa0692a7241d47a433d1e
Version: 9e2ee5c7e7c35d195e2aa0692a7241d47a433d1e
Version: 9e2ee5c7e7c35d195e2aa0692a7241d47a433d1e
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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(). 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      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-47734\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-10-21T13:00:06.990289Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-21T13:00:10.741Z\"}}], \"cna\": {\"title\": \"bonding: Fix unnecessary warnings and logs from bond_xdp_get_xmit_slave()\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"9e2ee5c7e7c35d195e2aa0692a7241d47a433d1e\", \"lessThan\": \"c1be35e774f8ed415e01209fddd963c5a74e8e9f\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9e2ee5c7e7c35d195e2aa0692a7241d47a433d1e\", \"lessThan\": \"6b64197b4bf1a5703a8b105367baf20f1e627a75\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9e2ee5c7e7c35d195e2aa0692a7241d47a433d1e\", \"lessThan\": \"ccd3e6ff05e5236d1b9535f23f3e6622e0bb32b8\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9e2ee5c7e7c35d195e2aa0692a7241d47a433d1e\", \"lessThan\": \"72e2c0825a480e19ee999cee9d018850d38c82b9\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9e2ee5c7e7c35d195e2aa0692a7241d47a433d1e\", \"lessThan\": \"57b5fba55c6f8b1d83312a34bd656166fcd95658\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9e2ee5c7e7c35d195e2aa0692a7241d47a433d1e\", \"lessThan\": \"0cbfd45fbcf0cb26d85c981b91c62fe73cdee01c\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/net/bonding/bond_main.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.15\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"5.15\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.15.168\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.113\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.54\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10.13\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.10.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11.2\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.11.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/bonding/bond_main.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/c1be35e774f8ed415e01209fddd963c5a74e8e9f\"}, {\"url\": \"https://git.kernel.org/stable/c/6b64197b4bf1a5703a8b105367baf20f1e627a75\"}, {\"url\": \"https://git.kernel.org/stable/c/ccd3e6ff05e5236d1b9535f23f3e6622e0bb32b8\"}, {\"url\": \"https://git.kernel.org/stable/c/72e2c0825a480e19ee999cee9d018850d38c82b9\"}, {\"url\": \"https://git.kernel.org/stable/c/57b5fba55c6f8b1d83312a34bd656166fcd95658\"}, {\"url\": \"https://git.kernel.org/stable/c/0cbfd45fbcf0cb26d85c981b91c62fe73cdee01c\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"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\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.168\", \"versionStartIncluding\": \"5.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.113\", \"versionStartIncluding\": \"5.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.54\", \"versionStartIncluding\": \"5.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10.13\", \"versionStartIncluding\": \"5.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11.2\", \"versionStartIncluding\": \"5.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12\", \"versionStartIncluding\": \"5.15\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T09:38:37.054Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-47734\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-04T09:38:37.054Z\", \"dateReserved\": \"2024-09-30T16:00:12.958Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-10-21T12:14:05.195Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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