178 lines
9.4 KiB
JSON
178 lines
9.4 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2021-47212",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2024-04-10T18:59:19.527Z",
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"datePublished": "2024-04-10T19:01:53.270Z",
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"dateUpdated": "2026-05-11T13:50:10.089Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-05-11T13:50:10.089Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: Update error handler for UCTX and UMEM\n\nIn the fast unload flow, the device state is set to internal error,\nwhich indicates that the driver started the destroy process.\nIn this case, when a destroy command is being executed, it should return\nMLX5_CMD_STAT_OK.\nFix MLX5_CMD_OP_DESTROY_UCTX and MLX5_CMD_OP_DESTROY_UMEM to return OK\ninstead of EIO.\n\nThis fixes a call trace in the umem release process -\n[ 2633.536695] Call Trace:\n[ 2633.537518] ib_uverbs_remove_one+0xc3/0x140 [ib_uverbs]\n[ 2633.538596] remove_client_context+0x8b/0xd0 [ib_core]\n[ 2633.539641] disable_device+0x8c/0x130 [ib_core]\n[ 2633.540615] __ib_unregister_device+0x35/0xa0 [ib_core]\n[ 2633.541640] ib_unregister_device+0x21/0x30 [ib_core]\n[ 2633.542663] __mlx5_ib_remove+0x38/0x90 [mlx5_ib]\n[ 2633.543640] auxiliary_bus_remove+0x1e/0x30 [auxiliary]\n[ 2633.544661] device_release_driver_internal+0x103/0x1f0\n[ 2633.545679] bus_remove_device+0xf7/0x170\n[ 2633.546640] device_del+0x181/0x410\n[ 2633.547606] mlx5_rescan_drivers_locked.part.10+0x63/0x160 [mlx5_core]\n[ 2633.548777] mlx5_unregister_device+0x27/0x40 [mlx5_core]\n[ 2633.549841] mlx5_uninit_one+0x21/0xc0 [mlx5_core]\n[ 2633.550864] remove_one+0x69/0xe0 [mlx5_core]\n[ 2633.551819] pci_device_remove+0x3b/0xc0\n[ 2633.552731] device_release_driver_internal+0x103/0x1f0\n[ 2633.553746] unbind_store+0xf6/0x130\n[ 2633.554657] kernfs_fop_write+0x116/0x190\n[ 2633.555567] vfs_write+0xa5/0x1a0\n[ 2633.556407] ksys_write+0x4f/0xb0\n[ 2633.557233] do_syscall_64+0x5b/0x1a0\n[ 2633.558071] entry_SYSCALL_64_after_hwframe+0x65/0xca\n[ 2633.559018] RIP: 0033:0x7f9977132648\n[ 2633.559821] Code: 89 02 48 c7 c0 ff ff ff ff eb b3 0f 1f 80 00 00 00 00 f3 0f 1e fa 48 8d 05 55 6f 2d 00 8b 00 85 c0 75 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 41 54 49 89 d4 55\n[ 2633.562332] RSP: 002b:00007fffb1a83888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001\n[ 2633.563472] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f9977132648\n[ 2633.564541] RDX: 000000000000000c RSI: 000055b90546e230 RDI: 0000000000000001\n[ 2633.565596] RBP: 000055b90546e230 R08: 00007f9977406860 R09: 00007f9977a54740\n[ 2633.566653] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f99774056e0\n[ 2633.567692] R13: 000000000000000c R14: 00007f9977400880 R15: 000000000000000c\n[ 2633.568725] ---[ end trace 10b4fe52945e544d ]---"
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/net/ethernet/mellanox/mlx5/core/cmd.c"
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],
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"versions": [
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{
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"version": "6a6fabbfa3e8c656ff906ae999fb6856410fa4cd",
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"lessThan": "a51a6da375d82aed5c8f83abd13e7d060421bd48",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "6a6fabbfa3e8c656ff906ae999fb6856410fa4cd",
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"lessThan": "ba50cd9451f6c49cf0841c0a4a146ff6a2822699",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/net/ethernet/mellanox/mlx5/core/cmd.c"
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],
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"versions": [
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{
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"version": "5.2",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "5.2",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.15.5",
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"lessThanOrEqual": "5.15.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.16",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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"versionStartIncluding": "5.2",
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"versionEndExcluding": "5.15.5"
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"vulnerable": true,
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"references": [
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"url": "https://git.kernel.org/stable/c/a51a6da375d82aed5c8f83abd13e7d060421bd48"
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"url": "https://git.kernel.org/stable/c/ba50cd9451f6c49cf0841c0a4a146ff6a2822699"
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}
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],
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"title": "net/mlx5: Update error handler for UCTX and UMEM",
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"engine": "bippy-1.2.0"
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"type": "ssvc",
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"content": {
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"timestamp": "2024-06-17T18:03:48.572043Z",
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"id": "CVE-2021-47212",
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"options": [
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