CVE-2024-40923

CVE Details

Release Date:

2024-07-12

Description

In the Linux kernel, the following vulnerability has been resolved:\nvmxnet3: disable rx data ring on dma allocation failure\nWhen vmxnet3_rq_create() fails to allocate memory for rq->data_ring.base,\nthe subsequent call to vmxnet3_rq_destroy_all_rxdataring does not reset\nrq->data_ring.desc_size for the data ring that failed, which presumably\ncauses the hypervisor to reference it on packet reception.\nTo fix this bug, rq->data_ring.desc_size needs to be set to 0 to tell\nthe hypervisor to disable this feature.\n[ 95.436876] kernel BUG at net/core/skbuff.c:207!\n[ 95.439074] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI\n[ 95.440411] CPU: 7 PID: 0 Comm: swapper/7 Not tainted 6.9.3-dirty #1\n[ 95.441558] Hardware name: VMware, Inc. VMware Virtual\nPlatform/440BX Desktop Reference Platform, BIOS 6.00 12/12/2018\n[ 95.443481] RIP: 0010:skb_panic+0x4d/0x4f\n[ 95.444404] Code: 4f 70 50 8b 87 c0 00 00 00 50 8b 87 bc 00 00 00 50\nff b7 d0 00 00 00 4c 8b 8f c8 00 00 00 48 c7 c7 68 e8 be 9f e8 63 58 f9\nff <0f> 0b 48 8b 14 24 48 c7 c1 d0 73 65 9f e8 a1 ff ff ff 48 8b 14 24\n[ 95.447684] RSP: 0018:ffffa13340274dd0 EFLAGS: 00010246\n[ 95.448762] RAX: 0000000000000089 RBX: ffff8fbbc72b02d0 RCX: 000000000000083f\n[ 95.450148] RDX: 0000000000000000 RSI: 00000000000000f6 RDI: 000000000000083f\n[ 95.451520] RBP: 000000000000002d R08: 0000000000000000 R09: ffffa13340274c60\n[ 95.452886] R10: ffffffffa04ed468 R11: 0000000000000002 R12: 0000000000000000\n[ 95.454293] R13: ffff8fbbdab3c2d0 R14: ffff8fbbdbd829e0 R15: ffff8fbbdbd809e0\n[ 95.455682] FS: 0000000000000000(0000) GS:ffff8fbeefd80000(0000) knlGS:0000000000000000\n[ 95.457178] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 95.458340] CR2: 00007fd0d1f650c8 CR3: 0000000115f28000 CR4: 00000000000406f0\n[ 95.459791] Call Trace:\n[ 95.460515] \n[ 95.461180] ? __die_body.cold+0x19/0x27\n[ 95.462150] ? die+0x2e/0x50\n[ 95.462976] ? do_trap+0xca/0x110\n[ 95.463973] ? do_error_trap+0x6a/0x90\n[ 95.464966] ? skb_panic+0x4d/0x4f\n[ 95.465901] ? exc_invalid_op+0x50/0x70\n[ 95.466849] ? skb_panic+0x4d/0x4f\n[ 95.467718] ? asm_exc_invalid_op+0x1a/0x20\n[ 95.468758] ? skb_panic+0x4d/0x4f\n[ 95.469655] skb_put.cold+0x10/0x10\n[ 95.470573] vmxnet3_rq_rx_complete+0x862/0x11e0 [vmxnet3]\n[ 95.471853] vmxnet3_poll_rx_only+0x36/0xb0 [vmxnet3]\n[ 95.473185] __napi_poll+0x2b/0x160\n[ 95.474145] net_rx_action+0x2c6/0x3b0\n[ 95.475115] handle_softirqs+0xe7/0x2a0\n[ 95.476122] __irq_exit_rcu+0x97/0xb0\n[ 95.477109] common_interrupt+0x85/0xa0\n[ 95.478102] \n[ 95.478846] \n[ 95.479603] asm_common_interrupt+0x26/0x40\n[ 95.480657] RIP: 0010:pv_native_safe_halt+0xf/0x20\n[ 95.481801] Code: 22 d7 e9 54 87 01 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d 93 ba 3b 00 fb f4 2c 87 01 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90\n[ 95.485563] RSP: 0018:ffffa133400ffe58 EFLAGS: 00000246\n[ 95.486882] RAX: 0000000000004000 RBX: ffff8fbbc1d14064 RCX: 0000000000000000\n[ 95.488477] RDX: ffff8fbeefd80000 RSI: ffff8fbbc1d14000 RDI: 0000000000000001\n[ 95.490067] RBP: ffff8fbbc1d14064 R08: ffffffffa0652260 R09: 00000000000010d3\n[ 95.491683] R10: 0000000000000018 R11: ffff8fbeefdb4764 R12: ffffffffa0652260\n[ 95.493389] R13: ffffffffa06522e0 R14: 0000000000000001 R15: 0000000000000000\n[ 95.495035] acpi_safe_halt+0x14/0x20\n[ 95.496127] acpi_idle_do_entry+0x2f/0x50\n[ 95.497221] acpi_idle_enter+0x7f/0xd0\n[ 95.498272] cpuidle_enter_state+0x81/0x420\n[ 95.499375] cpuidle_enter+0x2d/0x40\n[ 95.500400] do_idle+0x1e5/0x240\n[ 95.501385] cpu_startup_entry+0x29/0x30\n[ 95.502422] start_secondary+0x11c/0x140\n[ 95.503454] common_startup_64+0x13e/0x141\n[ 95.504466] \n[ 95.505197] Modules linked in: nft_fib_inet nft_fib_ipv4\nnft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6\nnft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ip\n---truncated---

See more information about CVE-2024-40923 from MITRE CVE dictionary and NIST NVD

CVSS Scoring

NOTE: The following CVSS v3.1 metrics and score provided are preliminary and subject to review.

Base Score:	4.4	CVSS Vector:	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack Vector:	Local network	Attack Complexity:	Low
Privileges Required:	High	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	None
Integrity Impact:	None	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 9 (kernel)	ELSA-2024-9315	2024-11-14