{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2023-54024", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-24T10:53:46.179Z", "datePublished": "2025-12-24T10:55:53.718Z", "dateUpdated": "2026-05-23T15:32:02.641Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T15:32:02.641Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: Destroy target device if coalesced MMIO unregistration fails\n\nDestroy and free the target coalesced MMIO device if unregistering said\ndevice fails. As clearly noted in the code, kvm_io_bus_unregister_dev()\ndoes not destroy the target device.\n\n BUG: memory leak\n unreferenced object 0xffff888112a54880 (size 64):\n comm \"syz-executor.2\", pid 5258, jiffies 4297861402 (age 14.129s)\n hex dump (first 32 bytes):\n 38 c7 67 15 00 c9 ff ff 38 c7 67 15 00 c9 ff ff 8.g.....8.g.....\n e0 c7 e1 83 ff ff ff ff 00 30 67 15 00 c9 ff ff .........0g.....\n backtrace:\n [<0000000006995a8a>] kmalloc include/linux/slab.h:556 [inline]\n [<0000000006995a8a>] kzalloc include/linux/slab.h:690 [inline]\n [<0000000006995a8a>] kvm_vm_ioctl_register_coalesced_mmio+0x8e/0x3d0 arch/x86/kvm/../../../virt/kvm/coalesced_mmio.c:150\n [<00000000022550c2>] kvm_vm_ioctl+0x47d/0x1600 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3323\n [<000000008a75102f>] vfs_ioctl fs/ioctl.c:46 [inline]\n [<000000008a75102f>] file_ioctl fs/ioctl.c:509 [inline]\n [<000000008a75102f>] do_vfs_ioctl+0xbab/0x1160 fs/ioctl.c:696\n [<0000000080e3f669>] ksys_ioctl+0x76/0xa0 fs/ioctl.c:713\n [<0000000059ef4888>] __do_sys_ioctl fs/ioctl.c:720 [inline]\n [<0000000059ef4888>] __se_sys_ioctl fs/ioctl.c:718 [inline]\n [<0000000059ef4888>] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:718\n [<000000006444fa05>] do_syscall_64+0x9f/0x4e0 arch/x86/entry/common.c:290\n [<000000009a4ed50b>] entry_SYSCALL_64_after_hwframe+0x49/0xbe\n\n BUG: leak checking failed" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "virt/kvm/coalesced_mmio.c" ], "versions": [ { "version": "7d1bc32d6477ff96a32695ea4be8144e4513ab2d", "lessThan": "10c2a20d73e99463e69b7e92706791656adc16d7", "status": "affected", "versionType": "git" }, { "version": "2a20592baff59c5351c5200ec667e1a2aa22af85", "lessThan": "76a9886e1b61ce5592df5ae78a19ed30399ae189", "status": "affected", "versionType": "git" }, { "version": "5d3c4c79384af06e3c8e25b7770b6247496b4417", "lessThan": "999439fd5da5a76253e2f2c37b94204f47d75491", "status": "affected", "versionType": "git" }, { "version": "5d3c4c79384af06e3c8e25b7770b6247496b4417", "lessThan": "ccf6a7fb1aedb1472e1241ee55e4d26b68f8d066", "status": "affected", "versionType": "git" }, { "version": "5d3c4c79384af06e3c8e25b7770b6247496b4417", "lessThan": "fb436dd6914325075f07d19851ab277b7a693ae7", "status": "affected", "versionType": "git" }, { "version": "5d3c4c79384af06e3c8e25b7770b6247496b4417", "lessThan": "b1cb1fac22abf102ffeb29dd3eeca208a3869d54", "status": "affected", "versionType": "git" }, { "version": "168e82f640ed1891a700bdb43e37da354b2ab63c", "status": "affected", "versionType": "git" }, { "version": "50cbad42bfea8c052b7ca590bd4126cdc898713c", "status": "affected", "versionType": "git" }, { "version": "5.4.119", "lessThan": "5.4.235", "status": "affected", "versionType": "semver" }, { "version": "5.10.37", "lessThan": "5.10.173", "status": "affected", "versionType": "semver" }, { "version": "5.11.21", "lessThan": "5.12", "status": "affected", "versionType": "semver" }, { "version": "5.12.4", "lessThan": "5.13", "status": "affected", "versionType": "semver" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "virt/kvm/coalesced_mmio.c" ], "versions": [ { "version": "5.13", "status": "affected" }, { "version": "0", "lessThan": "5.13", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.235", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.173", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.99", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.16", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.2.3", "lessThanOrEqual": "6.2.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.3", "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": "5.4.119", "versionEndExcluding": "5.4.235" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10.37", "versionEndExcluding": "5.10.173" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "5.15.99" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.1.16" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.2.3" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.3" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11.21" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.12.4" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/10c2a20d73e99463e69b7e92706791656adc16d7" }, { "url": "https://git.kernel.org/stable/c/76a9886e1b61ce5592df5ae78a19ed30399ae189" }, { "url": "https://git.kernel.org/stable/c/999439fd5da5a76253e2f2c37b94204f47d75491" }, { "url": "https://git.kernel.org/stable/c/ccf6a7fb1aedb1472e1241ee55e4d26b68f8d066" }, { "url": "https://git.kernel.org/stable/c/fb436dd6914325075f07d19851ab277b7a693ae7" }, { "url": "https://git.kernel.org/stable/c/b1cb1fac22abf102ffeb29dd3eeca208a3869d54" } ], "title": "KVM: Destroy target device if coalesced MMIO unregistration fails", "x_generator": { "engine": "bippy-1.2.0" } } } }