{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2023-52797",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrivers: perf: Check find_first_bit() return value\n\nWe must check the return value of find_first_bit() before using the\nreturn value as an index array since it happens to overflow the array\nand then panic:\n\n[  107.318430] Kernel BUG [#1]\n[  107.319434] CPU: 3 PID: 1238 Comm: kill Tainted: G            E      6.6.0-rc6ubuntu-defconfig #2\n[  107.319465] Hardware name: riscv-virtio,qemu (DT)\n[  107.319551] epc : pmu_sbi_ovf_handler+0x3a4/0x3ae\n[  107.319840]  ra : pmu_sbi_ovf_handler+0x52/0x3ae\n[  107.319868] epc : ffffffff80a0a77c ra : ffffffff80a0a42a sp : ffffaf83fecda350\n[  107.319884]  gp : ffffffff823961a8 tp : ffffaf8083db1dc0 t0 : ffffaf83fecda480\n[  107.319899]  t1 : ffffffff80cafe62 t2 : 000000000000ff00 s0 : ffffaf83fecda520\n[  107.319921]  s1 : ffffaf83fecda380 a0 : 00000018fca29df0 a1 : ffffffffffffffff\n[  107.319936]  a2 : 0000000001073734 a3 : 0000000000000004 a4 : 0000000000000000\n[  107.319951]  a5 : 0000000000000040 a6 : 000000001d1c8774 a7 : 0000000000504d55\n[  107.319965]  s2 : ffffffff82451f10 s3 : ffffffff82724e70 s4 : 000000000000003f\n[  107.319980]  s5 : 0000000000000011 s6 : ffffaf8083db27c0 s7 : 0000000000000000\n[  107.319995]  s8 : 0000000000000001 s9 : 00007fffb45d6558 s10: 00007fffb45d81a0\n[  107.320009]  s11: ffffaf7ffff60000 t3 : 0000000000000004 t4 : 0000000000000000\n[  107.320023]  t5 : ffffaf7f80000000 t6 : ffffaf8000000000\n[  107.320037] status: 0000000200000100 badaddr: 0000000000000000 cause: 0000000000000003\n[  107.320081] [<ffffffff80a0a77c>] pmu_sbi_ovf_handler+0x3a4/0x3ae\n[  107.320112] [<ffffffff800b42d0>] handle_percpu_devid_irq+0x9e/0x1a0\n[  107.320131] [<ffffffff800ad92c>] generic_handle_domain_irq+0x28/0x36\n[  107.320148] [<ffffffff8065f9f8>] riscv_intc_irq+0x36/0x4e\n[  107.320166] [<ffffffff80caf4a0>] handle_riscv_irq+0x54/0x86\n[  107.320189] [<ffffffff80cb0036>] do_irq+0x64/0x96\n[  107.320271] Code: 85a6 855e b097 ff7f 80e7 9220 b709 9002 4501 bbd9 (9002) 6097\n[  107.320585] ---[ end trace 0000000000000000 ]---\n[  107.320704] Kernel panic - not syncing: Fatal exception in interrupt\n[  107.320775] SMP: stopping secondary CPUs\n[  107.321219] Kernel Offset: 0x0 from 0xffffffff80000000\n[  107.333051] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]---"
            }
        ]
    },
    "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": "4905ec2fb7e6",
                                            "version_value": "2c86b24095fc"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "5.18",
                                                        "status": "affected"
                                                    },
                                                    {
                                                        "version": "0",
                                                        "lessThan": "5.18",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.5.13",
                                                        "lessThanOrEqual": "6.5.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.6.3",
                                                        "lessThanOrEqual": "6.6.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.7",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/2c86b24095fcf72cf51bc72d12e4350163b4e11d",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/2c86b24095fcf72cf51bc72d12e4350163b4e11d"
            },
            {
                "url": "https://git.kernel.org/stable/c/45a0de41ec383c8b7c6d442734ba3852dd2fc4a7",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/45a0de41ec383c8b7c6d442734ba3852dd2fc4a7"
            },
            {
                "url": "https://git.kernel.org/stable/c/c6e316ac05532febb0c966fa9b55f5258ed037be",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/c6e316ac05532febb0c966fa9b55f5258ed037be"
            }
        ]
    },
    "generator": {
        "engine": "bippy-a5840b7849dd"
    }
}