{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-23154",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-01-11T14:28:41.513Z",
        "datePublished": "2025-05-01T12:55:40.923Z",
        "dateUpdated": "2026-05-11T21:13:59.872Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T21:13:59.872Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring/net: fix io_req_post_cqe abuse by send bundle\n\n[  114.987980][ T5313] WARNING: CPU: 6 PID: 5313 at io_uring/io_uring.c:872 io_req_post_cqe+0x12e/0x4f0\n[  114.991597][ T5313] RIP: 0010:io_req_post_cqe+0x12e/0x4f0\n[  115.001880][ T5313] Call Trace:\n[  115.002222][ T5313]  <TASK>\n[  115.007813][ T5313]  io_send+0x4fe/0x10f0\n[  115.009317][ T5313]  io_issue_sqe+0x1a6/0x1740\n[  115.012094][ T5313]  io_wq_submit_work+0x38b/0xed0\n[  115.013223][ T5313]  io_worker_handle_work+0x62a/0x1600\n[  115.013876][ T5313]  io_wq_worker+0x34f/0xdf0\n\nAs the comment states, io_req_post_cqe() should only be used by\nmultishot requests, i.e. REQ_F_APOLL_MULTISHOT, which bundled sends are\nnot. Add a flag signifying whether a request wants to post multiple\nCQEs. Eventually REQ_F_APOLL_MULTISHOT should imply the new flag, but\nthat's left out for simplicity."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "include/linux/io_uring_types.h",
                        "io_uring/io_uring.c",
                        "io_uring/net.c"
                    ],
                    "versions": [
                        {
                            "version": "a05d1f625c7aa681d8816bc0f10089289ad07aad",
                            "lessThan": "b7c6d081c19a5e11bbd77bb97a62cff2b6b21cb5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a05d1f625c7aa681d8816bc0f10089289ad07aad",
                            "lessThan": "7888c9fc0b2d3636f2e821ed1ad3c6920fa8e378",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a05d1f625c7aa681d8816bc0f10089289ad07aad",
                            "lessThan": "9aa804e6b9696998308095fb9d335046a71550f1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a05d1f625c7aa681d8816bc0f10089289ad07aad",
                            "lessThan": "6889ae1b4df1579bcdffef023e2ea9a982565dff",
                            "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/linux/io_uring_types.h",
                        "io_uring/io_uring.c",
                        "io_uring/net.c"
                    ],
                    "versions": [
                        {
                            "version": "6.10",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.10",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.24",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.13.12",
                            "lessThanOrEqual": "6.13.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.14.3",
                            "lessThanOrEqual": "6.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.15",
                            "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": "6.10",
                                    "versionEndExcluding": "6.12.24"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.10",
                                    "versionEndExcluding": "6.13.12"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.10",
                                    "versionEndExcluding": "6.14.3"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.10",
                                    "versionEndExcluding": "6.15"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/b7c6d081c19a5e11bbd77bb97a62cff2b6b21cb5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7888c9fc0b2d3636f2e821ed1ad3c6920fa8e378"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9aa804e6b9696998308095fb9d335046a71550f1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6889ae1b4df1579bcdffef023e2ea9a982565dff"
                }
            ],
            "title": "io_uring/net: fix io_req_post_cqe abuse by send bundle",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}