{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-52978",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-03-27T16:40:15.738Z",
        "datePublished": "2025-03-27T16:43:18.185Z",
        "dateUpdated": "2026-05-11T19:36:17.764Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:36:17.764Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nriscv: kprobe: Fixup kernel panic when probing an illegal position\n\nThe kernel would panic when probed for an illegal position. eg:\n\n(CONFIG_RISCV_ISA_C=n)\n\necho 'p:hello kernel_clone+0x16 a0=%a0' >> kprobe_events\necho 1 > events/kprobes/hello/enable\ncat trace\n\nKernel panic - not syncing: stack-protector: Kernel stack\nis corrupted in: __do_sys_newfstatat+0xb8/0xb8\nCPU: 0 PID: 111 Comm: sh Not tainted\n6.2.0-rc1-00027-g2d398fe49a4d #490\nHardware name: riscv-virtio,qemu (DT)\nCall Trace:\n[<ffffffff80007268>] dump_backtrace+0x38/0x48\n[<ffffffff80c5e83c>] show_stack+0x50/0x68\n[<ffffffff80c6da28>] dump_stack_lvl+0x60/0x84\n[<ffffffff80c6da6c>] dump_stack+0x20/0x30\n[<ffffffff80c5ecf4>] panic+0x160/0x374\n[<ffffffff80c6db94>] generic_handle_arch_irq+0x0/0xa8\n[<ffffffff802deeb0>] sys_newstat+0x0/0x30\n[<ffffffff800158c0>] sys_clone+0x20/0x30\n[<ffffffff800039e8>] ret_from_syscall+0x0/0x4\n---[ end Kernel panic - not syncing: stack-protector:\nKernel stack is corrupted in: __do_sys_newfstatat+0xb8/0xb8 ]---\n\nThat is because the kprobe's ebreak instruction broke the kernel's\noriginal code. The user should guarantee the correction of the probe\nposition, but it couldn't make the kernel panic.\n\nThis patch adds arch_check_kprobe in arch_prepare_kprobe to prevent an\nillegal position (Such as the middle of an instruction)."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/riscv/kernel/probes/kprobes.c"
                    ],
                    "versions": [
                        {
                            "version": "c22b0bcb1dd024cb9caad9230e3a387d8b061df5",
                            "lessThan": "04a73558209554da17f46490ec4faaaf1b2bab68",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c22b0bcb1dd024cb9caad9230e3a387d8b061df5",
                            "lessThan": "12316538b1d193064109ce1a28fc9bacd43950de",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c22b0bcb1dd024cb9caad9230e3a387d8b061df5",
                            "lessThan": "87f48c7ccc73afc78630530d9af51f458f58cab8",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/riscv/kernel/probes/kprobes.c"
                    ],
                    "versions": [
                        {
                            "version": "5.12",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.12",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.93",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.11",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.12",
                                    "versionEndExcluding": "5.15.93"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.12",
                                    "versionEndExcluding": "6.1.11"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.12",
                                    "versionEndExcluding": "6.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/04a73558209554da17f46490ec4faaaf1b2bab68"
                },
                {
                    "url": "https://git.kernel.org/stable/c/12316538b1d193064109ce1a28fc9bacd43950de"
                },
                {
                    "url": "https://git.kernel.org/stable/c/87f48c7ccc73afc78630530d9af51f458f58cab8"
                }
            ],
            "title": "riscv: kprobe: Fixup kernel panic when probing an illegal position",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        },
        "adp": [
            {
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "type": "CWE",
                                "lang": "en",
                                "description": "CWE-noinfo Not enough information"
                            }
                        ]
                    }
                ],
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 5.5,
                            "attackVector": "LOCAL",
                            "baseSeverity": "MEDIUM",
                            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                            "integrityImpact": "NONE",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "LOW",
                            "confidentialityImpact": "NONE"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2025-10-01T17:21:47.517411Z",
                                "id": "CVE-2023-52978",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-10-01T17:21:50.337Z"
                }
            }
        ]
    }
}