{
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"cveMetadata": {
"cveId": "CVE-2024-40906",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2024-07-12T12:17:45.580Z",
"datePublished": "2024-07-12T12:20:46.485Z",
"dateUpdated": "2024-09-11T17:34:38.096Z"
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"containers": {
"cna": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2024-07-15T06:51:12.558Z"
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: Always stop health timer during driver removal\n\nCurrently, if teardown_hca fails to execute during driver removal, mlx5\ndoes not stop the health timer. Afterwards, mlx5 continue with driver\nteardown. This may lead to a UAF bug, which results in page fault\nOops[1], since the health timer invokes after resources were freed.\n\nHence, stop the health monitor even if teardown_hca fails.\n\n[1]\nmlx5_core 0000:18:00.0: E-Switch: Unload vfs: mode(LEGACY), nvfs(0), necvfs(0), active vports(0)\nmlx5_core 0000:18:00.0: E-Switch: Disable: mode(LEGACY), nvfs(0), necvfs(0), active vports(0)\nmlx5_core 0000:18:00.0: E-Switch: Disable: mode(LEGACY), nvfs(0), necvfs(0), active vports(0)\nmlx5_core 0000:18:00.0: E-Switch: cleanup\nmlx5_core 0000:18:00.0: wait_func:1155:(pid 1967079): TEARDOWN_HCA(0x103) timeout. Will cause a leak of a command resource\nmlx5_core 0000:18:00.0: mlx5_function_close:1288:(pid 1967079): tear_down_hca failed, skip cleanup\nBUG: unable to handle page fault for address: ffffa26487064230\nPGD 100c00067 P4D 100c00067 PUD 100e5a067 PMD 105ed7067 PTE 0\nOops: 0000 [#1] PREEMPT SMP PTI\nCPU: 0 PID: 0 Comm: swapper/0 Tainted: G OE ------- --- 6.7.0-68.fc38.x86_64 #1\nHardware name: Intel Corporation S2600WFT/S2600WFT, BIOS SE5C620.86B.02.01.0013.121520200651 12/15/2020\nRIP: 0010:ioread32be+0x34/0x60\nRSP: 0018:ffffa26480003e58 EFLAGS: 00010292\nRAX: ffffa26487064200 RBX: ffff9042d08161a0 RCX: ffff904c108222c0\nRDX: 000000010bbf1b80 RSI: ffffffffc055ddb0 RDI: ffffa26487064230\nRBP: ffff9042d08161a0 R08: 0000000000000022 R09: ffff904c108222e8\nR10: 0000000000000004 R11: 0000000000000441 R12: ffffffffc055ddb0\nR13: ffffa26487064200 R14: ffffa26480003f00 R15: ffff904c108222c0\nFS: 0000000000000000(0000) GS:ffff904c10800000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: ffffa26487064230 CR3: 00000002c4420006 CR4: 00000000007706f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nPKRU: 55555554\nCall Trace:\n \n ? __die+0x23/0x70\n ? page_fault_oops+0x171/0x4e0\n ? exc_page_fault+0x175/0x180\n ? asm_exc_page_fault+0x26/0x30\n ? __pfx_poll_health+0x10/0x10 [mlx5_core]\n ? __pfx_poll_health+0x10/0x10 [mlx5_core]\n ? ioread32be+0x34/0x60\n mlx5_health_check_fatal_sensors+0x20/0x100 [mlx5_core]\n ? __pfx_poll_health+0x10/0x10 [mlx5_core]\n poll_health+0x42/0x230 [mlx5_core]\n ? __next_timer_interrupt+0xbc/0x110\n ? __pfx_poll_health+0x10/0x10 [mlx5_core]\n call_timer_fn+0x21/0x130\n ? __pfx_poll_health+0x10/0x10 [mlx5_core]\n __run_timers+0x222/0x2c0\n run_timer_softirq+0x1d/0x40\n __do_softirq+0xc9/0x2c8\n __irq_exit_rcu+0xa6/0xc0\n sysvec_apic_timer_interrupt+0x72/0x90\n \n \n asm_sysvec_apic_timer_interrupt+0x1a/0x20\nRIP: 0010:cpuidle_enter_state+0xcc/0x440\n ? cpuidle_enter_state+0xbd/0x440\n cpuidle_enter+0x2d/0x40\n do_idle+0x20d/0x270\n cpu_startup_entry+0x2a/0x30\n rest_init+0xd0/0xd0\n arch_call_rest_init+0xe/0x30\n start_kernel+0x709/0xa90\n x86_64_start_reservations+0x18/0x30\n x86_64_start_kernel+0x96/0xa0\n secondary_startup_64_no_verify+0x18f/0x19b\n---[ end trace 0000000000000000 ]---"
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/net/ethernet/mellanox/mlx5/core/main.c"
],
"versions": [
{
"version": "9b98d395b85d",
"lessThan": "e7d4485d4783",
"status": "affected",
"versionType": "git"
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{
"version": "9b98d395b85d",
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"status": "affected",
"versionType": "git"
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{
"version": "9b98d395b85d",
"lessThan": "e6777ae0bf6f",
"status": "affected",
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{
"version": "9b98d395b85d",
"lessThan": "c8b3f38d2dae",
"status": "affected",
"versionType": "git"
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/net/ethernet/mellanox/mlx5/core/main.c"
],
"versions": [
{
"version": "6.1",
"status": "affected"
},
{
"version": "0",
"lessThan": "6.1",
"status": "unaffected",
"versionType": "custom"
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{
"version": "6.1.95",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "custom"
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{
"version": "6.6.35",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
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{
"version": "6.9.6",
"lessThanOrEqual": "6.9.*",
"status": "unaffected",
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{
"version": "6.10",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
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"references": [
{
"url": "https://git.kernel.org/stable/c/e7d4485d47839f4d1284592ae242c4e65b2810a9"
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"url": "https://git.kernel.org/stable/c/6ccada6ffb42e0ac75e3db06d41baf5a7f483f8a"
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"url": "https://git.kernel.org/stable/c/e6777ae0bf6fd5bc626bb051c8c93e3c8198a3f8"
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"url": "https://git.kernel.org/stable/c/c8b3f38d2dae0397944814d691a419c451f9906f"
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],
"title": "net/mlx5: Always stop health timer during driver removal",
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"title": "CVE Program Container",
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"url": "https://git.kernel.org/stable/c/e7d4485d47839f4d1284592ae242c4e65b2810a9",
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"type": "ssvc",
"content": {
"id": "CVE-2024-40906",
"role": "CISA Coordinator",
"options": [
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},
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},
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"version": "2.0.3",
"timestamp": "2024-09-10T17:06:18.717669Z"
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