{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49870",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-05-01T14:05:17.237Z",
        "datePublished": "2025-05-01T14:10:21.134Z",
        "dateUpdated": "2026-05-11T19:08:20.102Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:08:20.102Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncapabilities: fix undefined behavior in bit shift for CAP_TO_MASK\n\nShifting signed 32-bit value by 31 bits is undefined, so changing\nsignificant bit to unsigned. The UBSAN warning calltrace like below:\n\nUBSAN: shift-out-of-bounds in security/commoncap.c:1252:2\nleft shift of 1 by 31 places cannot be represented in type 'int'\nCall Trace:\n <TASK>\n dump_stack_lvl+0x7d/0xa5\n dump_stack+0x15/0x1b\n ubsan_epilogue+0xe/0x4e\n __ubsan_handle_shift_out_of_bounds+0x1e7/0x20c\n cap_task_prctl+0x561/0x6f0\n security_task_prctl+0x5a/0xb0\n __x64_sys_prctl+0x61/0x8f0\n do_syscall_64+0x58/0x80\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\n </TASK>"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "include/uapi/linux/capability.h"
                    ],
                    "versions": [
                        {
                            "version": "e338d263a76af78fe8f38a72131188b58fceb591",
                            "lessThan": "5b79fa628e2ab789e629a83cd211ef9b4c1a593e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e338d263a76af78fe8f38a72131188b58fceb591",
                            "lessThan": "65b0bc7a0690861812ade523d19f82688ab819dc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e338d263a76af78fe8f38a72131188b58fceb591",
                            "lessThan": "dbaab08c8677d598244d21afb7818e44e1c5d826",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e338d263a76af78fe8f38a72131188b58fceb591",
                            "lessThan": "5661f111a1616ac105ec8cec81bff99b60f847ac",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e338d263a76af78fe8f38a72131188b58fceb591",
                            "lessThan": "fcbd2b336834bd24e1d9454ad5737856470c10d7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e338d263a76af78fe8f38a72131188b58fceb591",
                            "lessThan": "151dc8087b5609e53b069c068e3f3ee100efa586",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e338d263a76af78fe8f38a72131188b58fceb591",
                            "lessThan": "27bdb134c043ff32c459d98f16550d0ffa0b3c34",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e338d263a76af78fe8f38a72131188b58fceb591",
                            "lessThan": "46653972e3ea64f79e7f8ae3aa41a4d3fdb70a13",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "include/uapi/linux/capability.h"
                    ],
                    "versions": [
                        {
                            "version": "2.6.25",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.25",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.9.334",
                            "lessThanOrEqual": "4.9.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.300",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.267",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.225",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.155",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.79",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.9",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1",
                            "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": "2.6.25",
                                    "versionEndExcluding": "4.9.334"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.25",
                                    "versionEndExcluding": "4.14.300"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.25",
                                    "versionEndExcluding": "4.19.267"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.25",
                                    "versionEndExcluding": "5.4.225"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.25",
                                    "versionEndExcluding": "5.10.155"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.25",
                                    "versionEndExcluding": "5.15.79"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.25",
                                    "versionEndExcluding": "6.0.9"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.25",
                                    "versionEndExcluding": "6.1"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/5b79fa628e2ab789e629a83cd211ef9b4c1a593e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/65b0bc7a0690861812ade523d19f82688ab819dc"
                },
                {
                    "url": "https://git.kernel.org/stable/c/dbaab08c8677d598244d21afb7818e44e1c5d826"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5661f111a1616ac105ec8cec81bff99b60f847ac"
                },
                {
                    "url": "https://git.kernel.org/stable/c/fcbd2b336834bd24e1d9454ad5737856470c10d7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/151dc8087b5609e53b069c068e3f3ee100efa586"
                },
                {
                    "url": "https://git.kernel.org/stable/c/27bdb134c043ff32c459d98f16550d0ffa0b3c34"
                },
                {
                    "url": "https://git.kernel.org/stable/c/46653972e3ea64f79e7f8ae3aa41a4d3fdb70a13"
                }
            ],
            "title": "capabilities: fix undefined behavior in bit shift for CAP_TO_MASK",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}