{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-39745",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-04-16T07:20:57.120Z",
        "datePublished": "2025-09-11T16:52:18.423Z",
        "dateUpdated": "2026-05-11T21:35:27.553Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T21:35:27.553Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrcutorture: Fix rcutorture_one_extend_check() splat in RT kernels\n\nFor built with CONFIG_PREEMPT_RT=y kernels, running rcutorture\ntests resulted in the following splat:\n\n[   68.797425] rcutorture_one_extend_check during change: Current 0x1  To add 0x1  To remove 0x0  preempt_count() 0x0\n[   68.797533] WARNING: CPU: 2 PID: 512 at kernel/rcu/rcutorture.c:1993 rcutorture_one_extend_check+0x419/0x560 [rcutorture]\n[   68.797601] Call Trace:\n[   68.797602]  <TASK>\n[   68.797619]  ? lockdep_softirqs_off+0xa5/0x160\n[   68.797631]  rcutorture_one_extend+0x18e/0xcc0 [rcutorture 2466dbd2ff34dbaa36049cb323a80c3306ac997c]\n[   68.797646]  ? local_clock+0x19/0x40\n[   68.797659]  rcu_torture_one_read+0xf0/0x280 [rcutorture 2466dbd2ff34dbaa36049cb323a80c3306ac997c]\n[   68.797678]  ? __pfx_rcu_torture_one_read+0x10/0x10 [rcutorture 2466dbd2ff34dbaa36049cb323a80c3306ac997c]\n[   68.797804]  ? __pfx_rcu_torture_timer+0x10/0x10 [rcutorture 2466dbd2ff34dbaa36049cb323a80c3306ac997c]\n[   68.797815] rcu-torture: rcu_torture_reader task started\n[   68.797824] rcu-torture: Creating rcu_torture_reader task\n[   68.797824]  rcu_torture_reader+0x238/0x580 [rcutorture 2466dbd2ff34dbaa36049cb323a80c3306ac997c]\n[   68.797836]  ? kvm_sched_clock_read+0x15/0x30\n\nDisable BH does not change the SOFTIRQ corresponding bits in\npreempt_count() for RT kernels, this commit therefore use\nsoftirq_count() to check the if BH is disabled."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "kernel/rcu/rcutorture.c"
                    ],
                    "versions": [
                        {
                            "version": "ec9d6356bfda69abe5f4767dd56c964127913233",
                            "lessThan": "a85550267247cdf5e7499be00ea8e388ab014e50",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ec9d6356bfda69abe5f4767dd56c964127913233",
                            "lessThan": "69c5ae0f441c2d72e8f48dc1e08464c172360c4c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ec9d6356bfda69abe5f4767dd56c964127913233",
                            "lessThan": "8d71351d88e478d3c4e945e3218e97ec677fd807",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "kernel/rcu/rcutorture.c"
                    ],
                    "versions": [
                        {
                            "version": "6.14",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.14",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.15.11",
                            "lessThanOrEqual": "6.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.16.2",
                            "lessThanOrEqual": "6.16.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.17",
                            "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": "6.14",
                                    "versionEndExcluding": "6.15.11"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.14",
                                    "versionEndExcluding": "6.16.2"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.14",
                                    "versionEndExcluding": "6.17"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/a85550267247cdf5e7499be00ea8e388ab014e50"
                },
                {
                    "url": "https://git.kernel.org/stable/c/69c5ae0f441c2d72e8f48dc1e08464c172360c4c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8d71351d88e478d3c4e945e3218e97ec677fd807"
                }
            ],
            "title": "rcutorture: Fix rcutorture_one_extend_check() splat in RT kernels",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}