cve-2021-47076
Vulnerability from cvelistv5
Published
2024-03-01 21:15
Modified
2024-11-04 11:58
Severity ?
Summary
RDMA/rxe: Return CQE error if invalid lkey was supplied
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/abe31d25facdb9109fe2cf69890748295291570c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/dc07628bd2bbc1da768e265192c28ebd301f509d
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

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                "id": "CVE-2021-47076",
                "options": [
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                    "Exploitation": "none"
                  },
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                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
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                "role": "CISA Coordinator",
                "timestamp": "2024-03-07T17:09:55.049735Z",
                "version": "2.0.3"
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          "dateUpdated": "2024-06-04T17:14:42.532Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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        "providerMetadata": {
          "dateUpdated": "2024-08-04T05:24:39.793Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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            "url": "https://git.kernel.org/stable/c/dc07628bd2bbc1da768e265192c28ebd301f509d"
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        "title": "CVE Program Container"
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    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/infiniband/sw/rxe/rxe_comp.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "version": "8700e3e7c485",
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          "vendor": "Linux",
          "versions": [
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              "version": "4.8"
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              "version": "0",
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              "version": "5.13",
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/rxe: Return CQE error if invalid lkey was supplied\n\nRXE is missing update of WQE status in LOCAL_WRITE failures.  This caused\nthe following kernel panic if someone sent an atomic operation with an\nexplicitly wrong lkey.\n\n[leonro@vm ~]$ mkt test\ntest_atomic_invalid_lkey (tests.test_atomic.AtomicTest) ...\n WARNING: CPU: 5 PID: 263 at drivers/infiniband/sw/rxe/rxe_comp.c:740 rxe_completer+0x1a6d/0x2e30 [rdma_rxe]\n Modules linked in: crc32_generic rdma_rxe ip6_udp_tunnel udp_tunnel rdma_ucm rdma_cm ib_umad ib_ipoib iw_cm ib_cm mlx5_ib ib_uverbs ib_core mlx5_core ptp pps_core\n CPU: 5 PID: 263 Comm: python3 Not tainted 5.13.0-rc1+ #2936\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014\n RIP: 0010:rxe_completer+0x1a6d/0x2e30 [rdma_rxe]\n Code: 03 0f 8e 65 0e 00 00 3b 93 10 06 00 00 0f 84 82 0a 00 00 4c 89 ff 4c 89 44 24 38 e8 2d 74 a9 e1 4c 8b 44 24 38 e9 1c f5 ff ff \u003c0f\u003e 0b e9 0c e8 ff ff b8 05 00 00 00 41 bf 05 00 00 00 e9 ab e7 ff\n RSP: 0018:ffff8880158af090 EFLAGS: 00010246\n RAX: 0000000000000000 RBX: ffff888016a78000 RCX: ffffffffa0cf1652\n RDX: 1ffff9200004b442 RSI: 0000000000000004 RDI: ffffc9000025a210\n RBP: dffffc0000000000 R08: 00000000ffffffea R09: ffff88801617740b\n R10: ffffed1002c2ee81 R11: 0000000000000007 R12: ffff88800f3b63e8\n R13: ffff888016a78008 R14: ffffc9000025a180 R15: 000000000000000c\n FS:  00007f88b622a740(0000) GS:ffff88806d540000(0000) knlGS:0000000000000000\n CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 00007f88b5a1fa10 CR3: 000000000d848004 CR4: 0000000000370ea0\n DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n Call Trace:\n  rxe_do_task+0x130/0x230 [rdma_rxe]\n  rxe_rcv+0xb11/0x1df0 [rdma_rxe]\n  rxe_loopback+0x157/0x1e0 [rdma_rxe]\n  rxe_responder+0x5532/0x7620 [rdma_rxe]\n  rxe_do_task+0x130/0x230 [rdma_rxe]\n  rxe_rcv+0x9c8/0x1df0 [rdma_rxe]\n  rxe_loopback+0x157/0x1e0 [rdma_rxe]\n  rxe_requester+0x1efd/0x58c0 [rdma_rxe]\n  rxe_do_task+0x130/0x230 [rdma_rxe]\n  rxe_post_send+0x998/0x1860 [rdma_rxe]\n  ib_uverbs_post_send+0xd5f/0x1220 [ib_uverbs]\n  ib_uverbs_write+0x847/0xc80 [ib_uverbs]\n  vfs_write+0x1c5/0x840\n  ksys_write+0x176/0x1d0\n  do_syscall_64+0x3f/0x80\n  entry_SYSCALL_64_after_hwframe+0x44/0xae"
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        "dateUpdated": "2024-11-04T11:58:58.123Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      "title": "RDMA/rxe: Return CQE error if invalid lkey was supplied",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2021-47076",
    "datePublished": "2024-03-01T21:15:13.395Z",
    "dateReserved": "2024-02-29T22:33:44.297Z",
    "dateUpdated": "2024-11-04T11:58:58.123Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-47076\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-03-01T22:15:47.223\",\"lastModified\":\"2024-03-01T22:22:25.913\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nRDMA/rxe: Return CQE error if invalid lkey was supplied\\n\\nRXE is missing update of WQE status in LOCAL_WRITE failures.  This caused\\nthe following kernel panic if someone sent an atomic operation with an\\nexplicitly wrong lkey.\\n\\n[leonro@vm ~]$ mkt test\\ntest_atomic_invalid_lkey (tests.test_atomic.AtomicTest) ...\\n WARNING: CPU: 5 PID: 263 at drivers/infiniband/sw/rxe/rxe_comp.c:740 rxe_completer+0x1a6d/0x2e30 [rdma_rxe]\\n Modules linked in: crc32_generic rdma_rxe ip6_udp_tunnel udp_tunnel rdma_ucm rdma_cm ib_umad ib_ipoib iw_cm ib_cm mlx5_ib ib_uverbs ib_core mlx5_core ptp pps_core\\n CPU: 5 PID: 263 Comm: python3 Not tainted 5.13.0-rc1+ #2936\\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014\\n RIP: 0010:rxe_completer+0x1a6d/0x2e30 [rdma_rxe]\\n Code: 03 0f 8e 65 0e 00 00 3b 93 10 06 00 00 0f 84 82 0a 00 00 4c 89 ff 4c 89 44 24 38 e8 2d 74 a9 e1 4c 8b 44 24 38 e9 1c f5 ff ff \u003c0f\u003e 0b e9 0c e8 ff ff b8 05 00 00 00 41 bf 05 00 00 00 e9 ab e7 ff\\n RSP: 0018:ffff8880158af090 EFLAGS: 00010246\\n RAX: 0000000000000000 RBX: ffff888016a78000 RCX: ffffffffa0cf1652\\n RDX: 1ffff9200004b442 RSI: 0000000000000004 RDI: ffffc9000025a210\\n RBP: dffffc0000000000 R08: 00000000ffffffea R09: ffff88801617740b\\n R10: ffffed1002c2ee81 R11: 0000000000000007 R12: ffff88800f3b63e8\\n R13: ffff888016a78008 R14: ffffc9000025a180 R15: 000000000000000c\\n FS:  00007f88b622a740(0000) GS:ffff88806d540000(0000) knlGS:0000000000000000\\n CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\n CR2: 00007f88b5a1fa10 CR3: 000000000d848004 CR4: 0000000000370ea0\\n DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\\n DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\\n Call Trace:\\n  rxe_do_task+0x130/0x230 [rdma_rxe]\\n  rxe_rcv+0xb11/0x1df0 [rdma_rxe]\\n  rxe_loopback+0x157/0x1e0 [rdma_rxe]\\n  rxe_responder+0x5532/0x7620 [rdma_rxe]\\n  rxe_do_task+0x130/0x230 [rdma_rxe]\\n  rxe_rcv+0x9c8/0x1df0 [rdma_rxe]\\n  rxe_loopback+0x157/0x1e0 [rdma_rxe]\\n  rxe_requester+0x1efd/0x58c0 [rdma_rxe]\\n  rxe_do_task+0x130/0x230 [rdma_rxe]\\n  rxe_post_send+0x998/0x1860 [rdma_rxe]\\n  ib_uverbs_post_send+0xd5f/0x1220 [ib_uverbs]\\n  ib_uverbs_write+0x847/0xc80 [ib_uverbs]\\n  vfs_write+0x1c5/0x840\\n  ksys_write+0x176/0x1d0\\n  do_syscall_64+0x3f/0x80\\n  entry_SYSCALL_64_after_hwframe+0x44/0xae\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: RDMA/rxe: devuelve un error de CQE si se proporcion\u00f3 una clave lv\u00e1lida. A RXE le falta la actualizaci\u00f3n del estado de WQE en fallas LOCAL_WRITE. Esto provoc\u00f3 el siguiente p\u00e1nico en el kernel si alguien enviaba una operaci\u00f3n at\u00f3mica con una clave l expl\u00edcitamente incorrecta. [leonro@vm ~]$ mkt test test_atomic_invalid_lkey (tests.test_atomic.AtomicTest) ... ADVERTENCIA: CPU: 5 PID: 263 en drivers/infiniband/sw/rxe/rxe_comp.c:740 rxe_completer+0x1a6d/0x2e30 [rdma_rxe] M\u00f3dulos vinculados en: crc32_generic rdma_rxe ip6_udp_tunnel udp_tunnel rdma_ucm rdma_cm ib_umad ib_ipoib iw_cm ib_cm mlx5_ib ib_uverbs ib_core mlx5_core ptp pps_core CPU: 5 PID: 263 Comm: python3 No contaminado 5.13.0-rc 1+ #2936 Nombre del hardware: PC est\u00e1ndar QEMU (Q35 + ICH9, 2009 ), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 01/04/2014 RIP: 0010:rxe_completer+0x1a6d/0x2e30 [rdma_rxe] C\u00f3digo: 03 0f 8e 65 0e 00 00 3b 93 10 06 00 0 0 0f 84 82 0a 00 00 4c 89 ff 4c 89 44 24 38 e8 2d 74 a9 e1 4c 8b 44 24 38 e9 1c f5 ff ff \u0026lt;0f\u0026gt; 0b e9 0c e8 ff ff b8 05 00 00 00 41 bf 05 00 0 0 00 e9 ab e7 ff RSP: 0018:ffff8880158af090 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888016a78000 RCX: ffffffffa0cf1652 RDX: 1ffff9200004b442 RSI: 0000000 000000004 RDI: ffffc9000025a210 RBP: dffffc0000000000 R08: 00000000ffffffea R09: ffff88801617740b R10: ffffed1002c2ee81 R11: 0000000000000007 R12: ffff 88800f3b63e8 R13: ffff888016a78008 R14: ffffc9000025a180 R15: 000000000000000c FS: 00007f88b622a740(0000) GS:ffff88806d540000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES : 0000 CR0: 0000000080050033 CR2: 00007f88b5a1fa10 CR3: 000000000d848004 CR4: 0000000000370ea0 DR0: 00000000000000000 DR1: 00000000000000000 DR 2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Seguimiento de llamadas: rxe_do_task+0x130/0x230 [rdma_rxe] rxe_rcv+0xb11/0x1d f0 [rdma_rxe] rxe_loopback+0x157/0x1e0 [rdma_rxe] rxe_responder+0x5532/0x7620 [rdma_rxe] rxe_do_task+0x130/0x230 [rdma_rxe] rxe_rcv+0x9c8/0x1df0 [rdma_rxe] rxe_loopback+0x157/0x1e0 [rdma_rxe] rxe_requester+0x1efd/0x58c0 [rdma_rxe] rxe_do_task+0x130/0x230 [rdma_rxe] r xe_post_send+0x998/0x1860 [rdma_rxe] ib_uverbs_post_send+0xd5f/0x1220 [ib_uverbs ] ib_uverbs_write+0x847/0xc80 [ib_uverbs] vfs_write+0x1c5/0x840 ksys_write+0x176/0x1d0 do_syscall_64+0x3f/0x80 Entry_SYSCALL_64_after_hwframe+0x44/0xae\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/abe31d25facdb9109fe2cf69890748295291570c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/dc07628bd2bbc1da768e265192c28ebd301f509d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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