{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2022-49670",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "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->cpe_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   <IRQ>\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   </IRQ>\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 <49> 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"
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Linux",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Linux",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "f4915455dcf07c4f237d6160a4b6adb0575d2909",
                                            "version_value": "5af106f8e072aebd88b95e164a08fa320651a99a"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "5.3",
                                                        "status": "affected"
                                                    },
                                                    {
                                                        "version": "0",
                                                        "lessThan": "5.3",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.4.204",
                                                        "lessThanOrEqual": "5.4.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.10.129",
                                                        "lessThanOrEqual": "5.10.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.15.53",
                                                        "lessThanOrEqual": "5.15.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.18.10",
                                                        "lessThanOrEqual": "5.18.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.19",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/5af106f8e072aebd88b95e164a08fa320651a99a",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/5af106f8e072aebd88b95e164a08fa320651a99a"
            },
            {
                "url": "https://git.kernel.org/stable/c/fae2a9fb1eaf348ad8732f90d42ebbb971bd7e95",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/fae2a9fb1eaf348ad8732f90d42ebbb971bd7e95"
            },
            {
                "url": "https://git.kernel.org/stable/c/0b6e0eb5c45e79e9095de2498cc0ca5ec563fc5e",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/0b6e0eb5c45e79e9095de2498cc0ca5ec563fc5e"
            },
            {
                "url": "https://git.kernel.org/stable/c/7c1963391af51ee322378d1b2849c60e9037f069",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/7c1963391af51ee322378d1b2849c60e9037f069"
            },
            {
                "url": "https://git.kernel.org/stable/c/0fe3dbbefb74a8575f61d7801b08dbc50523d60d",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/0fe3dbbefb74a8575f61d7801b08dbc50523d60d"
            }
        ]
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    "generator": {
        "engine": "bippy-5f407fcff5a0"
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}