{"id":"CVE-2025-23135","revision":null,"records":[{"revision":"2e6738bce63d4283848da5b9d527bc64","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-23135","aliases":[],"title":"RISC-V: KVM: Teardown riscv specific bits after kvm_exit","description":"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.","state":0,"publishedAt":"2025-04-16T14:13:15.795+00:00","modifiedAt":"2026-10-21T12:36:21.571+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"arch/riscv/kvm/main.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"54e43320c2ba0c70258a3aea690da38c6ea3293c\",\n                            \"lessThan\": \"ce906c4ae572554f4ea4381d7d0a4ab39f5fca5d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"54e43320c2ba0c70258a3aea690da38c6ea3293c\",\n                            \"lessThan\": \"b7236c52151c91f7b83a42d6ec5728a49e06416f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"54e43320c2ba0c70258a3aea690da38c6ea3293c\",\n                            \"lessThan\": \"1edb2de48616b11ee05e9a65d74c70abcb6d9939\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"54e43320c2ba0c70258a3aea690da38c6ea3293c\",\n                            \"lessThan\": \"1521cc04f0b6e737ff30105aa57fa9dde8493231\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"54e43320c2ba0c70258a3aea690da38c6ea3293c\",\n                            \"lessThan\": \"2d117e67f318303f6ab699a5511d1fac3f170545\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"arch/riscv/kvm/main.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.4\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.4\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.160\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.114\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.13.11\",\n                            \"lessThanOrEqual\": \"6.13.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.14.2\",\n                            \"lessThanOrEqual\": \"6.14.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.15\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/ce906c4ae572554f4ea4381d7d0a4ab39f5fca5d","https://git.kernel.org/stable/c/b7236c52151c91f7b83a42d6ec5728a49e06416f","https://git.kernel.org/stable/c/1edb2de48616b11ee05e9a65d74c70abcb6d9939","https://git.kernel.org/stable/c/1521cc04f0b6e737ff30105aa57fa9dde8493231","https://git.kernel.org/stable/c/2d117e67f318303f6ab699a5511d1fac3f170545"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-23135","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-23135","identifiers":["CVE-2025-23135"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-86f25219fb644e6286aef55d85e25bf2","complete":true,"records":13654,"lastAttemptAt":"2026-11-08T11:08:04.0096912+00:00","lastSuccessAt":"2026-11-08T11:08:04.005+00:00","error":null,"lastVerifiedAt":"2026-11-08T11:08:04.005+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13706,"expectedIdentifiers":13706,"failedIdentifiers":0},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-11-08T11:07:12.3917769+00:00","complete":true,"records":1096,"lastAttemptAt":"2026-11-08T11:07:12.3917769+00:00","lastSuccessAt":"2026-11-08T11:07:12.625607+00:00","error":null,"lastVerifiedAt":"2026-11-08T11:07:12.6256073+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-d989edc1cedd4bc98ff58bba187706b1","complete":false,"records":13666,"lastAttemptAt":"2026-11-08T11:07:38.8809876+00:00","lastSuccessAt":"2026-11-08T11:07:38.877+00:00","error":null,"lastVerifiedAt":"2026-11-08T11:07:38.877+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13685,"expectedIdentifiers":13706,"failedIdentifiers":0},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-980593e6977a6d1b4fb1eed5a1ffe88a468736f89f0a06f710924ad59132c023","complete":true,"records":9914,"lastAttemptAt":"2026-11-08T11:07:07.3505725+00:00","lastSuccessAt":"2026-11-08T11:07:07.068788+00:00","error":null,"lastVerifiedAt":"2026-11-08T11:07:07.3505725+00:00","snapshotPublishedAt":"2026-11-08T11:02:46+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-fde804134ecdda0ddd5ff5c26ee1fff5a6fa659311f7ef2e51c6ad54964db0e2","complete":true,"records":1971,"lastAttemptAt":"2026-11-08T11:04:36.8284473+00:00","lastSuccessAt":"2026-11-06T19:03:17.0399903+00:00","error":null,"lastVerifiedAt":"2026-11-08T11:04:36.8284473+00:00","snapshotPublishedAt":"2026-11-06T18:17:57+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-964c14035e6f0f6478b2870fad6a7ef9f6045876d4a12af2c2e514521e54b6af","complete":true,"records":3055,"lastAttemptAt":"2026-11-08T11:07:12.3467238+00:00","lastSuccessAt":"2026-11-08T11:07:12.1927025+00:00","error":null,"lastVerifiedAt":"2026-11-08T11:07:12.3467238+00:00","snapshotPublishedAt":"2026-11-08T11:02:46+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-f8647d7ba64b1ba0dfdc7130944766d5b36d5b77d18fff0c79e651a4cff3c2b9","complete":true,"records":231293,"lastAttemptAt":"2026-11-08T11:06:57.8078151+00:00","lastSuccessAt":"2026-11-08T11:06:56.2918717+00:00","error":null,"lastVerifiedAt":"2026-11-08T11:06:57.8078151+00:00","snapshotPublishedAt":"2026-11-08T11:02:50+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null}]}