{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-53339",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-09-16T16:08:59.565Z",
        "datePublished": "2025-09-17T14:56:33.114Z",
        "dateUpdated": "2026-05-11T19:43:02.231Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:43:02.231Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix BUG_ON condition in btrfs_cancel_balance\n\nPausing and canceling balance can race to interrupt balance lead to BUG_ON\npanic in btrfs_cancel_balance. The BUG_ON condition in btrfs_cancel_balance\ndoes not take this race scenario into account.\n\nHowever, the race condition has no other side effects. We can fix that.\n\nReproducing it with panic trace like this:\n\n  kernel BUG at fs/btrfs/volumes.c:4618!\n  RIP: 0010:btrfs_cancel_balance+0x5cf/0x6a0\n  Call Trace:\n   <TASK>\n   ? do_nanosleep+0x60/0x120\n   ? hrtimer_nanosleep+0xb7/0x1a0\n   ? sched_core_clone_cookie+0x70/0x70\n   btrfs_ioctl_balance_ctl+0x55/0x70\n   btrfs_ioctl+0xa46/0xd20\n   __x64_sys_ioctl+0x7d/0xa0\n   do_syscall_64+0x38/0x80\n   entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\n  Race scenario as follows:\n  > mutex_unlock(&fs_info->balance_mutex);\n  > --------------------\n  > .......issue pause and cancel req in another thread\n  > --------------------\n  > ret = __btrfs_balance(fs_info);\n  >\n  > mutex_lock(&fs_info->balance_mutex);\n  > if (ret == -ECANCELED && atomic_read(&fs_info->balance_pause_req)) {\n  >         btrfs_info(fs_info, \"balance: paused\");\n  >         btrfs_exclop_balance(fs_info, BTRFS_EXCLOP_BALANCE_PAUSED);\n  > }"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/btrfs/volumes.c"
                    ],
                    "versions": [
                        {
                            "version": "ddf7e8984c83aee9122552529f4e77291903f8d9",
                            "lessThan": "ceb9ba8e30833a4823e2dc73f80ebcdf2498d01a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "72efe5d44821e38540888a5fe3ff3d0faab6acad",
                            "lessThan": "ae81329f7de3aa6f34ecdfa5412e72161a30e9ce",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b19c98f237cd76981aaded52c258ce93f7daa8cb",
                            "lessThan": "29eefa6d0d07e185f7bfe9576f91e6dba98189c2",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/btrfs/volumes.c"
                    ],
                    "versions": [
                        {
                            "version": "6.1.42",
                            "lessThan": "6.1.47",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.4.7",
                            "lessThan": "6.4.12",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.1.42",
                                    "versionEndExcluding": "6.1.47"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.4.7",
                                    "versionEndExcluding": "6.4.12"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/ceb9ba8e30833a4823e2dc73f80ebcdf2498d01a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ae81329f7de3aa6f34ecdfa5412e72161a30e9ce"
                },
                {
                    "url": "https://git.kernel.org/stable/c/29eefa6d0d07e185f7bfe9576f91e6dba98189c2"
                }
            ],
            "title": "btrfs: fix BUG_ON condition in btrfs_cancel_balance",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}