{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "cveId": "CVE-2024-42110", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-07-29T15:50:41.176Z", "datePublished": "2024-07-30T07:46:04.892Z", "dateUpdated": "2024-09-11T17:33:06.779Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-07-30T07:46:04.892Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ntb_netdev: Move ntb_netdev_rx_handler() to call netif_rx() from __netif_rx()\n\nThe following is emitted when using idxd (DSA) dmanegine as the data\nmover for ntb_transport that ntb_netdev uses.\n\n[74412.546922] BUG: using smp_processor_id() in preemptible [00000000] code: irq/52-idxd-por/14526\n[74412.556784] caller is netif_rx_internal+0x42/0x130\n[74412.562282] CPU: 6 PID: 14526 Comm: irq/52-idxd-por Not tainted 6.9.5 #5\n[74412.569870] Hardware name: Intel Corporation ArcherCity/ArcherCity, BIOS EGSDCRB1.E9I.1752.P05.2402080856 02/08/2024\n[74412.581699] Call Trace:\n[74412.584514] \n[74412.586933] dump_stack_lvl+0x55/0x70\n[74412.591129] check_preemption_disabled+0xc8/0xf0\n[74412.596374] netif_rx_internal+0x42/0x130\n[74412.600957] __netif_rx+0x20/0xd0\n[74412.604743] ntb_netdev_rx_handler+0x66/0x150 [ntb_netdev]\n[74412.610985] ntb_complete_rxc+0xed/0x140 [ntb_transport]\n[74412.617010] ntb_rx_copy_callback+0x53/0x80 [ntb_transport]\n[74412.623332] idxd_dma_complete_txd+0xe3/0x160 [idxd]\n[74412.628963] idxd_wq_thread+0x1a6/0x2b0 [idxd]\n[74412.634046] irq_thread_fn+0x21/0x60\n[74412.638134] ? irq_thread+0xa8/0x290\n[74412.642218] irq_thread+0x1a0/0x290\n[74412.646212] ? __pfx_irq_thread_fn+0x10/0x10\n[74412.651071] ? __pfx_irq_thread_dtor+0x10/0x10\n[74412.656117] ? __pfx_irq_thread+0x10/0x10\n[74412.660686] kthread+0x100/0x130\n[74412.664384] ? __pfx_kthread+0x10/0x10\n[74412.668639] ret_from_fork+0x31/0x50\n[74412.672716] ? __pfx_kthread+0x10/0x10\n[74412.676978] ret_from_fork_asm+0x1a/0x30\n[74412.681457] \n\nThe cause is due to the idxd driver interrupt completion handler uses\nthreaded interrupt and the threaded handler is not hard or soft interrupt\ncontext. However __netif_rx() can only be called from interrupt context.\nChange the call to netif_rx() in order to allow completion via normal\ncontext for dmaengine drivers that utilize threaded irq handling.\n\nWhile the following commit changed from netif_rx() to __netif_rx(),\nbaebdf48c360 (\"net: dev: Makes sure netif_rx() can be invoked in any context.\"),\nthe change should've been a noop instead. However, the code precedes this\nfix should've been using netif_rx_ni() or netif_rx_any_context()." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/net/ntb_netdev.c" ], "versions": [ { "version": "548c237c0a99", "lessThan": "4b3b6c7efee6", "status": "affected", "versionType": "git" }, { "version": "548c237c0a99", "lessThan": "e3af5b14e763", "status": "affected", "versionType": "git" }, { "version": "548c237c0a99", "lessThan": "858ae09f0367", "status": "affected", "versionType": "git" }, { "version": "548c237c0a99", "lessThan": "e15a5d821e51", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/net/ntb_netdev.c" ], "versions": [ { "version": "3.9", "status": "affected" }, { "version": "0", "lessThan": "3.9", "status": "unaffected", "versionType": "custom" }, { "version": "6.1.98", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.39", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.9.9", "lessThanOrEqual": "6.9.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.10", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/4b3b6c7efee69f077b86ef7f088fb96768e46e1f" }, { "url": "https://git.kernel.org/stable/c/e3af5b14e7632bf12058533d69055393e2d126c9" }, { "url": "https://git.kernel.org/stable/c/858ae09f03677a4ab907a15516893bc2cc79d4c3" }, { "url": "https://git.kernel.org/stable/c/e15a5d821e5192a3769d846079bc9aa380139baf" } ], "title": "net: ntb_netdev: Move ntb_netdev_rx_handler() to call netif_rx() from __netif_rx()", "x_generator": { "engine": "bippy-c9c4e1df01b2" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T04:54:32.106Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/4b3b6c7efee69f077b86ef7f088fb96768e46e1f", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/e3af5b14e7632bf12058533d69055393e2d126c9", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/858ae09f03677a4ab907a15516893bc2cc79d4c3", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/e15a5d821e5192a3769d846079bc9aa380139baf", "tags": [ "x_transferred" ] } ] }, { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2024-42110", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-09-10T16:17:32.906742Z" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T17:33:06.779Z" } } ] } }