{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2023-53348", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-09-16T16:08:59.566Z", "datePublished": "2025-09-17T14:56:39.800Z", "dateUpdated": "2026-05-11T19:43:12.519Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:43:12.519Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix deadlock when aborting transaction during relocation with scrub\n\nBefore relocating a block group we pause scrub, then do the relocation and\nthen unpause scrub. The relocation process requires starting and committing\na transaction, and if we have a failure in the critical section of the\ntransaction commit path (transaction state >= TRANS_STATE_COMMIT_START),\nwe will deadlock if there is a paused scrub.\n\nThat results in stack traces like the following:\n\n [42.479] BTRFS info (device sdc): relocating block group 53876686848 flags metadata|raid6\n [42.936] BTRFS warning (device sdc): Skipping commit of aborted transaction.\n [42.936] ------------[ cut here ]------------\n [42.936] BTRFS: Transaction aborted (error -28)\n [42.936] WARNING: CPU: 11 PID: 346822 at fs/btrfs/transaction.c:1977 btrfs_commit_transaction+0xcc8/0xeb0 [btrfs]\n [42.936] Modules linked in: dm_flakey dm_mod loop btrfs (...)\n [42.936] CPU: 11 PID: 346822 Comm: btrfs Tainted: G W 6.3.0-rc2-btrfs-next-127+ #1\n [42.936] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014\n [42.936] RIP: 0010:btrfs_commit_transaction+0xcc8/0xeb0 [btrfs]\n [42.936] Code: ff ff 45 8b (...)\n [42.936] RSP: 0018:ffffb58649633b48 EFLAGS: 00010282\n [42.936] RAX: 0000000000000000 RBX: ffff8be6ef4d5bd8 RCX: 0000000000000000\n [42.936] RDX: 0000000000000002 RSI: ffffffffb35e7782 RDI: 00000000ffffffff\n [42.936] RBP: ffff8be6ef4d5c98 R08: 0000000000000000 R09: ffffb586496339e8\n [42.936] R10: 0000000000000001 R11: 0000000000000001 R12: ffff8be6d38c7c00\n [42.936] R13: 00000000ffffffe4 R14: ffff8be6c268c000 R15: ffff8be6ef4d5cf0\n [42.936] FS: 00007f381a82b340(0000) GS:ffff8beddfcc0000(0000) knlGS:0000000000000000\n [42.936] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n [42.936] CR2: 00007f1e35fb7638 CR3: 0000000117680006 CR4: 0000000000370ee0\n [42.936] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n [42.936] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n [42.936] Call Trace:\n [42.936] \n [42.936] ? start_transaction+0xcb/0x610 [btrfs]\n [42.936] prepare_to_relocate+0x111/0x1a0 [btrfs]\n [42.936] relocate_block_group+0x57/0x5d0 [btrfs]\n [42.936] ? btrfs_wait_nocow_writers+0x25/0xb0 [btrfs]\n [42.936] btrfs_relocate_block_group+0x248/0x3c0 [btrfs]\n [42.936] ? __pfx_autoremove_wake_function+0x10/0x10\n [42.936] btrfs_relocate_chunk+0x3b/0x150 [btrfs]\n [42.936] btrfs_balance+0x8ff/0x11d0 [btrfs]\n [42.936] ? __kmem_cache_alloc_node+0x14a/0x410\n [42.936] btrfs_ioctl+0x2334/0x32c0 [btrfs]\n [42.937] ? mod_objcg_state+0xd2/0x360\n [42.937] ? refill_obj_stock+0xb0/0x160\n [42.937] ? seq_release+0x25/0x30\n [42.937] ? __rseq_handle_notify_resume+0x3b5/0x4b0\n [42.937] ? percpu_counter_add_batch+0x2e/0xa0\n [42.937] ? __x64_sys_ioctl+0x88/0xc0\n [42.937] __x64_sys_ioctl+0x88/0xc0\n [42.937] do_syscall_64+0x38/0x90\n [42.937] entry_SYSCALL_64_after_hwframe+0x72/0xdc\n [42.937] RIP: 0033:0x7f381a6ffe9b\n [42.937] Code: 00 48 89 44 24 (...)\n [42.937] RSP: 002b:00007ffd45ecf060 EFLAGS: 00000246 ORIG_RAX: 0000000000000010\n [42.937] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f381a6ffe9b\n [42.937] RDX: 00007ffd45ecf150 RSI: 00000000c4009420 RDI: 0000000000000003\n [42.937] RBP: 0000000000000003 R08: 0000000000000013 R09: 0000000000000000\n [42.937] R10: 00007f381a60c878 R11: 0000000000000246 R12: 00007ffd45ed0423\n [42.937] R13: 00007ffd45ecf150 R14: 0000000000000000 R15: 00007ffd45ecf148\n [42.937] \n [42.937] ---[ end trace 0000000000000000 ]---\n [42.937] BTRFS: error (device sdc: state A) in cleanup_transaction:1977: errno=-28 No space left\n [59.196] INFO: task btrfs:346772 blocked for more than 120 seconds.\n [59.196] Tainted: G W 6.3.0-rc2-btrfs-next-127+ #1\n [59.196] \"echo 0 > /proc/sys/kernel/hung_\n---truncated---" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/btrfs/transaction.c", "fs/btrfs/volumes.c" ], "versions": [ { "version": "55e3a601c81cdca4497bf855fa4d331f8e830744", "lessThan": "6134a4bb6b1c411a244edee041ac89266c78d45c", "status": "affected", "versionType": "git" }, { "version": "55e3a601c81cdca4497bf855fa4d331f8e830744", "lessThan": "10a5831b193390b77705fc174a309476c23ba64a", "status": "affected", "versionType": "git" }, { "version": "55e3a601c81cdca4497bf855fa4d331f8e830744", "lessThan": "2d82a40aa7d6fcae0250ec68b8566cdee7bfd44c", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/btrfs/transaction.c", "fs/btrfs/volumes.c" ], "versions": [ { "version": "4.3", "status": "affected" }, { "version": "0", "lessThan": "4.3", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.23", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.2.10", "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": "4.3", "versionEndExcluding": "6.1.23" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "6.2.10" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "6.3" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/6134a4bb6b1c411a244edee041ac89266c78d45c" }, { "url": "https://git.kernel.org/stable/c/10a5831b193390b77705fc174a309476c23ba64a" }, { "url": "https://git.kernel.org/stable/c/2d82a40aa7d6fcae0250ec68b8566cdee7bfd44c" } ], "title": "btrfs: fix deadlock when aborting transaction during relocation with scrub", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE" } }, { "other": { "type": "ssvc", "content": { "id": "CVE-2023-53348", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2026-01-14T18:40:40.255895Z" } } } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "type": "CWE", "cweId": "CWE-667", "description": "CWE-667 Improper Locking" } ] } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-14T18:43:03.123Z" } } ] } }