{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50765",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-24T13:02:21.546Z",
        "datePublished": "2025-12-24T13:05:56.123Z",
        "dateUpdated": "2026-05-11T19:25:06.575Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:25:06.575Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRISC-V: kexec: Fix memory leak of elf header buffer\n\nThis is reported by kmemleak detector:\n\nunreferenced object 0xff2000000403d000 (size 4096):\n  comm \"kexec\", pid 146, jiffies 4294900633 (age 64.792s)\n  hex dump (first 32 bytes):\n    7f 45 4c 46 02 01 01 00 00 00 00 00 00 00 00 00  .ELF............\n    04 00 f3 00 01 00 00 00 00 00 00 00 00 00 00 00  ................\n  backtrace:\n    [<00000000566ca97c>] kmemleak_vmalloc+0x3c/0xbe\n    [<00000000979283d8>] __vmalloc_node_range+0x3ac/0x560\n    [<00000000b4b3712a>] __vmalloc_node+0x56/0x62\n    [<00000000854f75e2>] vzalloc+0x2c/0x34\n    [<00000000e9a00db9>] crash_prepare_elf64_headers+0x80/0x30c\n    [<0000000067e8bf48>] elf_kexec_load+0x3e8/0x4ec\n    [<0000000036548e09>] kexec_image_load_default+0x40/0x4c\n    [<0000000079fbe1b4>] sys_kexec_file_load+0x1c4/0x322\n    [<0000000040c62c03>] ret_from_syscall+0x0/0x2\n\nIn elf_kexec_load(), a buffer is allocated via vzalloc() to store elf\nheaders.  While it's not freed back to system when kdump kernel is\nreloaded or unloaded, or when image->elf_header is successfully set and\nthen fails to load kdump kernel for some reason. Fix it by freeing the\nbuffer in arch_kimage_file_post_load_cleanup()."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/riscv/kernel/elf_kexec.c"
                    ],
                    "versions": [
                        {
                            "version": "8acea455fafaf2620b247de6c00774828b618a82",
                            "lessThan": "090bfcfc9f14d05154893c67eeaecc56e894fbae",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8acea455fafaf2620b247de6c00774828b618a82",
                            "lessThan": "cdea2da6787583ecca43594132533a2ac8d7cd21",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8acea455fafaf2620b247de6c00774828b618a82",
                            "lessThan": "cbc32023ddbdf4baa3d9dc513a2184a84080a5a2",
                            "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/elf_kexec.c"
                    ],
                    "versions": [
                        {
                            "version": "5.19",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.19",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.18",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.4",
                            "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": "5.19",
                                    "versionEndExcluding": "6.0.18"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.19",
                                    "versionEndExcluding": "6.1.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.19",
                                    "versionEndExcluding": "6.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/090bfcfc9f14d05154893c67eeaecc56e894fbae"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cdea2da6787583ecca43594132533a2ac8d7cd21"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cbc32023ddbdf4baa3d9dc513a2184a84080a5a2"
                }
            ],
            "title": "RISC-V: kexec: Fix memory leak of elf header buffer",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}