CVE-2022-49670 (GCVE-0-2022-49670)
Vulnerability from cvelistv5
Published
2025-02-26 02:24
Modified
2025-05-04 08:42
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: linux/dim: Fix divide by 0 in RDMA DIM Fix a divide 0 error in rdma_dim_stats_compare() when prev->cpe_ratio == 0. CallTrace: Hardware name: H3C R4900 G3/RS33M2C9S, BIOS 2.00.37P21 03/12/2020 task: ffff880194b78000 task.stack: ffffc90006714000 RIP: 0010:backport_rdma_dim+0x10e/0x240 [mlx_compat] RSP: 0018:ffff880c10e83ec0 EFLAGS: 00010202 RAX: 0000000000002710 RBX: ffff88096cd7f780 RCX: 0000000000000064 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 000000001d7c6c09 R13: ffff88096cd7f780 R14: ffff880b174fe800 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff880c10e80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000a0965b00 CR3: 000000000200a003 CR4: 00000000007606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554 Call Trace: <IRQ> ib_poll_handler+0x43/0x80 [ib_core] irq_poll_softirq+0xae/0x110 __do_softirq+0xd1/0x28c irq_exit+0xde/0xf0 do_IRQ+0x54/0xe0 common_interrupt+0x8f/0x8f </IRQ> ? cpuidle_enter_state+0xd9/0x2a0 ? cpuidle_enter_state+0xc7/0x2a0 ? do_idle+0x170/0x1d0 ? cpu_startup_entry+0x6f/0x80 ? start_secondary+0x1b9/0x210 ? secondary_startup_64+0xa5/0xb0 Code: 0f 87 e1 00 00 00 8b 4c 24 14 44 8b 43 14 89 c8 4d 63 c8 44 29 c0 99 31 d0 29 d0 31 d2 48 98 48 8d 04 80 48 8d 04 80 48 c1 e0 02 <49> f7 f1 48 83 f8 0a 0f 86 c1 00 00 00 44 39 c1 7f 10 48 89 df RIP: backport_rdma_dim+0x10e/0x240 [mlx_compat] RSP: ffff880c10e83ec0
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0b6e0eb5c45e79e9095de2498cc0ca5ec563fc5ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0fe3dbbefb74a8575f61d7801b08dbc50523d60dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5af106f8e072aebd88b95e164a08fa320651a99aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7c1963391af51ee322378d1b2849c60e9037f069Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fae2a9fb1eaf348ad8732f90d42ebbb971bd7e95Patch
Impacted products
Vendor Product Version
Linux Linux Version: f4915455dcf07c4f237d6160a4b6adb0575d2909
Version: f4915455dcf07c4f237d6160a4b6adb0575d2909
Version: f4915455dcf07c4f237d6160a4b6adb0575d2909
Version: f4915455dcf07c4f237d6160a4b6adb0575d2909
Version: f4915455dcf07c4f237d6160a4b6adb0575d2909
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{
  "containers": {
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "include/linux/dim.h"
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          "versions": [
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              "version": "5.18.10",
              "versionType": "semver"
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              "status": "unaffected",
              "version": "5.19",
              "versionType": "original_commit_for_fix"
            }
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              "negate": false,
              "operator": "OR"
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nlinux/dim: Fix divide by 0 in RDMA DIM\n\nFix a divide 0 error in rdma_dim_stats_compare() when prev-\u003ecpe_ratio ==\n0.\n\nCallTrace:\n  Hardware name: H3C R4900 G3/RS33M2C9S, BIOS 2.00.37P21 03/12/2020\n  task: ffff880194b78000 task.stack: ffffc90006714000\n  RIP: 0010:backport_rdma_dim+0x10e/0x240 [mlx_compat]\n  RSP: 0018:ffff880c10e83ec0 EFLAGS: 00010202\n  RAX: 0000000000002710 RBX: ffff88096cd7f780 RCX: 0000000000000064\n  RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001\n  RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000\n  R10: 0000000000000000 R11: 0000000000000000 R12: 000000001d7c6c09\n  R13: ffff88096cd7f780 R14: ffff880b174fe800 R15: 0000000000000000\n  FS:  0000000000000000(0000) GS:ffff880c10e80000(0000)\n  knlGS:0000000000000000\n  CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n  CR2: 00000000a0965b00 CR3: 000000000200a003 CR4: 00000000007606e0\n  DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n  DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n  PKRU: 55555554\n  Call Trace:\n   \u003cIRQ\u003e\n   ib_poll_handler+0x43/0x80 [ib_core]\n   irq_poll_softirq+0xae/0x110\n   __do_softirq+0xd1/0x28c\n   irq_exit+0xde/0xf0\n   do_IRQ+0x54/0xe0\n   common_interrupt+0x8f/0x8f\n   \u003c/IRQ\u003e\n   ? cpuidle_enter_state+0xd9/0x2a0\n   ? cpuidle_enter_state+0xc7/0x2a0\n   ? do_idle+0x170/0x1d0\n   ? cpu_startup_entry+0x6f/0x80\n   ? start_secondary+0x1b9/0x210\n   ? secondary_startup_64+0xa5/0xb0\n  Code: 0f 87 e1 00 00 00 8b 4c 24 14 44 8b 43 14 89 c8 4d 63 c8 44 29 c0 99 31 d0 29 d0 31 d2 48 98 48 8d 04 80 48 8d 04 80 48 c1 e0 02 \u003c49\u003e f7 f1 48 83 f8 0a 0f 86 c1 00 00 00 44 39 c1 7f 10 48 89 df\n  RIP: backport_rdma_dim+0x10e/0x240 [mlx_compat] RSP: ffff880c10e83ec0"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T08:42:58.686Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/5af106f8e072aebd88b95e164a08fa320651a99a"
        },
        {
          "url": "https://git.kernel.org/stable/c/fae2a9fb1eaf348ad8732f90d42ebbb971bd7e95"
        },
        {
          "url": "https://git.kernel.org/stable/c/0b6e0eb5c45e79e9095de2498cc0ca5ec563fc5e"
        },
        {
          "url": "https://git.kernel.org/stable/c/7c1963391af51ee322378d1b2849c60e9037f069"
        },
        {
          "url": "https://git.kernel.org/stable/c/0fe3dbbefb74a8575f61d7801b08dbc50523d60d"
        }
      ],
      "title": "linux/dim: Fix divide by 0 in RDMA DIM",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49670",
    "datePublished": "2025-02-26T02:24:03.938Z",
    "dateReserved": "2025-02-26T02:21:30.436Z",
    "dateUpdated": "2025-05-04T08:42:58.686Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-49670\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-02-26T07:01:41.953\",\"lastModified\":\"2025-03-11T22:26:35.913\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nlinux/dim: Fix divide by 0 in RDMA DIM\\n\\nFix a divide 0 error in rdma_dim_stats_compare() when prev-\u003ecpe_ratio ==\\n0.\\n\\nCallTrace:\\n  Hardware name: H3C R4900 G3/RS33M2C9S, BIOS 2.00.37P21 03/12/2020\\n  task: ffff880194b78000 task.stack: ffffc90006714000\\n  RIP: 0010:backport_rdma_dim+0x10e/0x240 [mlx_compat]\\n  RSP: 0018:ffff880c10e83ec0 EFLAGS: 00010202\\n  RAX: 0000000000002710 RBX: ffff88096cd7f780 RCX: 0000000000000064\\n  RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001\\n  RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000\\n  R10: 0000000000000000 R11: 0000000000000000 R12: 000000001d7c6c09\\n  R13: ffff88096cd7f780 R14: ffff880b174fe800 R15: 0000000000000000\\n  FS:  0000000000000000(0000) GS:ffff880c10e80000(0000)\\n  knlGS:0000000000000000\\n  CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\n  CR2: 00000000a0965b00 CR3: 000000000200a003 CR4: 00000000007606e0\\n  DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\\n  DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\\n  PKRU: 55555554\\n  Call Trace:\\n   \u003cIRQ\u003e\\n   ib_poll_handler+0x43/0x80 [ib_core]\\n   irq_poll_softirq+0xae/0x110\\n   __do_softirq+0xd1/0x28c\\n   irq_exit+0xde/0xf0\\n   do_IRQ+0x54/0xe0\\n   common_interrupt+0x8f/0x8f\\n   \u003c/IRQ\u003e\\n   ? cpuidle_enter_state+0xd9/0x2a0\\n   ? cpuidle_enter_state+0xc7/0x2a0\\n   ? do_idle+0x170/0x1d0\\n   ? cpu_startup_entry+0x6f/0x80\\n   ? start_secondary+0x1b9/0x210\\n   ? secondary_startup_64+0xa5/0xb0\\n  Code: 0f 87 e1 00 00 00 8b 4c 24 14 44 8b 43 14 89 c8 4d 63 c8 44 29 c0 99 31 d0 29 d0 31 d2 48 98 48 8d 04 80 48 8d 04 80 48 c1 e0 02 \u003c49\u003e f7 f1 48 83 f8 0a 0f 86 c1 00 00 00 44 39 c1 7f 10 48 89 df\\n  RIP: backport_rdma_dim+0x10e/0x240 [mlx_compat] RSP: ffff880c10e83ec0\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: linux/dim: Se corrige la divisi\u00f3n por 0 en RDMA DIM Se corrige un error de divisi\u00f3n por 0 en rdma_dim_stats_compare() when prev-\u0026gt;cpe_ratio == 0. CallTrace: Hardware name: H3C R4900 G3/RS33M2C9S, BIOS 2.00.37P21 03/12/2020 task: ffff880194b78000 task.stack: ffffc90006714000 RIP: 0010:backport_rdma_dim+0x10e/0x240 [mlx_compat] RSP: 0018:ffff880c10e83ec0 EFLAGS: 00010202 RAX: 0000000000002710 RBX: ffff88096cd7f780 RCX: 0000000000000064 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 000000001d7c6c09 R13: ffff88096cd7f780 R14: ffff880b174fe800 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff880c10e80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000a0965b00 CR3: 000000000200a003 CR4: 00000000007606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554 Call Trace:  ib_poll_handler+0x43/0x80 [ib_core] irq_poll_softirq+0xae/0x110 __do_softirq+0xd1/0x28c irq_exit+0xde/0xf0 do_IRQ+0x54/0xe0 common_interrupt+0x8f/0x8f  ? cpuidle_enter_state+0xd9/0x2a0 ? cpuidle_enter_state+0xc7/0x2a0 ? do_idle+0x170/0x1d0 ? cpu_startup_entry+0x6f/0x80 ? start_secondary+0x1b9/0x210 ? secondary_startup_64+0xa5/0xb0 Code: 0f 87 e1 00 00 00 8b 4c 24 14 44 8b 43 14 89 c8 4d 63 c8 44 29 c0 99 31 d0 29 d0 31 d2 48 98 48 8d 04 80 48 8d 04 80 48 c1 e0 02 \u0026lt;49\u0026gt; f7 f1 48 83 f8 0a 0f 86 c1 00 00 00 44 39 c1 7f 10 48 89 df RIP: backport_rdma_dim+0x10e/0x240 [mlx_compat] RSP: ffff880c10e83ec0 \"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-369\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.3\",\"versionEndExcluding\":\"5.4.204\",\"matchCriteriaId\":\"4125506A-5C4C-4016-89AA-A82C5F553128\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.129\",\"matchCriteriaId\":\"DAAE3E52-3C60-40CA-A245-AE5660F45CD8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.53\",\"matchCriteriaId\":\"70DCF327-F4B6-4CDB-8C9E-98E909E60127\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"5.18.10\",\"matchCriteriaId\":\"8261A22B-B156-4045-AE8E-AA9E95E7930C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"A8C30C2D-F82D-4D37-AB48-D76ABFBD5377\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"BF8547FC-C849-4F1B-804B-A93AE2F04A92\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.19:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"F3068028-F453-4A1C-B80F-3F5609ACEF60\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.19:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"2E9C0DB0-D349-489F-A3D6-B77214E93A8A\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0b6e0eb5c45e79e9095de2498cc0ca5ec563fc5e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/0fe3dbbefb74a8575f61d7801b08dbc50523d60d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/5af106f8e072aebd88b95e164a08fa320651a99a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/7c1963391af51ee322378d1b2849c60e9037f069\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/fae2a9fb1eaf348ad8732f90d42ebbb971bd7e95\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


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