{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-23135",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-01-11T14:28:41.511Z",
        "datePublished": "2025-04-16T14:13:15.795Z",
        "dateUpdated": "2026-05-11T21:13:38.682Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T21:13:38.682Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRISC-V: KVM: Teardown riscv specific bits after kvm_exit\n\nDuring a module removal, kvm_exit invokes arch specific disable\ncall which disables AIA. However, we invoke aia_exit before kvm_exit\nresulting in the following warning. KVM kernel module can't be inserted\nafterwards due to inconsistent state of IRQ.\n\n[25469.031389] percpu IRQ 31 still enabled on CPU0!\n[25469.031732] WARNING: CPU: 3 PID: 943 at kernel/irq/manage.c:2476 __free_percpu_irq+0xa2/0x150\n[25469.031804] Modules linked in: kvm(-)\n[25469.031848] CPU: 3 UID: 0 PID: 943 Comm: rmmod Not tainted 6.14.0-rc5-06947-g91c763118f47-dirty #2\n[25469.031905] Hardware name: riscv-virtio,qemu (DT)\n[25469.031928] epc : __free_percpu_irq+0xa2/0x150\n[25469.031976]  ra : __free_percpu_irq+0xa2/0x150\n[25469.032197] epc : ffffffff8007db1e ra : ffffffff8007db1e sp : ff2000000088bd50\n[25469.032241]  gp : ffffffff8131cef8 tp : ff60000080b96400 t0 : ff2000000088baf8\n[25469.032285]  t1 : fffffffffffffffc t2 : 5249207570637265 s0 : ff2000000088bd90\n[25469.032329]  s1 : ff60000098b21080 a0 : 037d527a15eb4f00 a1 : 037d527a15eb4f00\n[25469.032372]  a2 : 0000000000000023 a3 : 0000000000000001 a4 : ffffffff8122dbf8\n[25469.032410]  a5 : 0000000000000fff a6 : 0000000000000000 a7 : ffffffff8122dc10\n[25469.032448]  s2 : ff60000080c22eb0 s3 : 0000000200000022 s4 : 000000000000001f\n[25469.032488]  s5 : ff60000080c22e00 s6 : ffffffff80c351c0 s7 : 0000000000000000\n[25469.032582]  s8 : 0000000000000003 s9 : 000055556b7fb490 s10: 00007ffff0e12fa0\n[25469.032621]  s11: 00007ffff0e13e9a t3 : ffffffff81354ac7 t4 : ffffffff81354ac7\n[25469.032664]  t5 : ffffffff81354ac8 t6 : ffffffff81354ac7\n[25469.032698] status: 0000000200000100 badaddr: ffffffff8007db1e cause: 0000000000000003\n[25469.032738] [<ffffffff8007db1e>] __free_percpu_irq+0xa2/0x150\n[25469.032797] [<ffffffff8007dbfc>] free_percpu_irq+0x30/0x5e\n[25469.032856] [<ffffffff013a57dc>] kvm_riscv_aia_exit+0x40/0x42 [kvm]\n[25469.033947] [<ffffffff013b4e82>] cleanup_module+0x10/0x32 [kvm]\n[25469.035300] [<ffffffff8009b150>] __riscv_sys_delete_module+0x18e/0x1fc\n[25469.035374] [<ffffffff8000c1ca>] syscall_handler+0x3a/0x46\n[25469.035456] [<ffffffff809ec9a4>] do_trap_ecall_u+0x72/0x134\n[25469.035536] [<ffffffff809f5e18>] handle_exception+0x148/0x156\n\nInvoke aia_exit and other arch specific cleanup functions after kvm_exit\nso that disable gets a chance to be called first before exit."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/riscv/kvm/main.c"
                    ],
                    "versions": [
                        {
                            "version": "54e43320c2ba0c70258a3aea690da38c6ea3293c",
                            "lessThan": "1edb2de48616b11ee05e9a65d74c70abcb6d9939",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "54e43320c2ba0c70258a3aea690da38c6ea3293c",
                            "lessThan": "1521cc04f0b6e737ff30105aa57fa9dde8493231",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "54e43320c2ba0c70258a3aea690da38c6ea3293c",
                            "lessThan": "2d117e67f318303f6ab699a5511d1fac3f170545",
                            "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/kvm/main.c"
                    ],
                    "versions": [
                        {
                            "version": "6.4",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.4",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.13.11",
                            "lessThanOrEqual": "6.13.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.14.2",
                            "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": "6.4",
                                    "versionEndExcluding": "6.13.11"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.4",
                                    "versionEndExcluding": "6.14.2"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.4",
                                    "versionEndExcluding": "6.15"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/1edb2de48616b11ee05e9a65d74c70abcb6d9939"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1521cc04f0b6e737ff30105aa57fa9dde8493231"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2d117e67f318303f6ab699a5511d1fac3f170545"
                }
            ],
            "title": "RISC-V: KVM: Teardown riscv specific bits after kvm_exit",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}