{"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": "2025-12-24T13:05:56.123Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-12-24T13:05:56.123Z"}, "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"}}}}

{}

{"cveTags": [], "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()."}], "id": "CVE-2022-50765", "lastModified": "2025-12-29T15:58:34.503", "metrics": {}, "published": "2025-12-24T13:16:03.297", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/090bfcfc9f14d05154893c67eeaecc56e894fbae"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cbc32023ddbdf4baa3d9dc513a2184a84080a5a2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cdea2da6787583ecca43594132533a2ac8d7cd21"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: RISC-V: kexec: Fix memory leak of elf header buffer", "id": "2425161", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2425161"}, "csaw": false, "details": ["No description is available for this CVE."], "name": "CVE-2022-50765", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-12-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50765\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50765\nhttps://lore.kernel.org/linux-cve-announce/2025122456-CVE-2022-50765-356e@gregkh/T"]}

{}