{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2023-53865", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-09T01:27:17.829Z", "datePublished": "2025-12-09T01:30:34.588Z", "dateUpdated": "2026-05-23T15:31:37.051Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T15:31:37.051Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix warning when putting transaction with qgroups enabled after abort\n\nIf we have a transaction abort with qgroups enabled we get a warning\ntriggered when doing the final put on the transaction, like this:\n\n [552.6789] ------------[ cut here ]------------\n [552.6815] WARNING: CPU: 4 PID: 81745 at fs/btrfs/transaction.c:144 btrfs_put_transaction+0x123/0x130 [btrfs]\n [552.6817] Modules linked in: btrfs blake2b_generic xor (...)\n [552.6819] CPU: 4 PID: 81745 Comm: btrfs-transacti Tainted: G W 6.4.0-rc6-btrfs-next-134+ #1\n [552.6819] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.2-0-gea1b7a073390-prebuilt.qemu.org 04/01/2014\n [552.6819] RIP: 0010:btrfs_put_transaction+0x123/0x130 [btrfs]\n [552.6821] Code: bd a0 01 00 (...)\n [552.6821] RSP: 0018:ffffa168c0527e28 EFLAGS: 00010286\n [552.6821] RAX: ffff936042caed00 RBX: ffff93604a3eb448 RCX: 0000000000000000\n [552.6821] RDX: ffff93606421b028 RSI: ffffffff92ff0878 RDI: ffff93606421b010\n [552.6821] RBP: ffff93606421b000 R08: 0000000000000000 R09: ffffa168c0d07c20\n [552.6821] R10: 0000000000000000 R11: ffff93608dc52950 R12: ffffa168c0527e70\n [552.6821] R13: ffff93606421b000 R14: ffff93604a3eb420 R15: ffff93606421b028\n [552.6821] FS: 0000000000000000(0000) GS:ffff93675fb00000(0000) knlGS:0000000000000000\n [552.6821] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n [552.6821] CR2: 0000558ad262b000 CR3: 000000014feda005 CR4: 0000000000370ee0\n [552.6822] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n [552.6822] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n [552.6822] Call Trace:\n [552.6822] \n [552.6822] ? __warn+0x80/0x130\n [552.6822] ? btrfs_put_transaction+0x123/0x130 [btrfs]\n [552.6824] ? report_bug+0x1f4/0x200\n [552.6824] ? handle_bug+0x42/0x70\n [552.6824] ? exc_invalid_op+0x14/0x70\n [552.6824] ? asm_exc_invalid_op+0x16/0x20\n [552.6824] ? btrfs_put_transaction+0x123/0x130 [btrfs]\n [552.6826] btrfs_cleanup_transaction+0xe7/0x5e0 [btrfs]\n [552.6828] ? _raw_spin_unlock_irqrestore+0x23/0x40\n [552.6828] ? try_to_wake_up+0x94/0x5e0\n [552.6828] ? __pfx_process_timeout+0x10/0x10\n [552.6828] transaction_kthread+0x103/0x1d0 [btrfs]\n [552.6830] ? __pfx_transaction_kthread+0x10/0x10 [btrfs]\n [552.6832] kthread+0xee/0x120\n [552.6832] ? __pfx_kthread+0x10/0x10\n [552.6832] ret_from_fork+0x29/0x50\n [552.6832] \n [552.6832] ---[ end trace 0000000000000000 ]---\n\nThis corresponds to this line of code:\n\n void btrfs_put_transaction(struct btrfs_transaction *transaction)\n {\n (...)\n WARN_ON(!RB_EMPTY_ROOT(\n &transaction->delayed_refs.dirty_extent_root));\n (...)\n }\n\nThe warning happens because btrfs_qgroup_destroy_extent_records(), called\nin the transaction abort path, we free all entries from the rbtree\n\"dirty_extent_root\" with rbtree_postorder_for_each_entry_safe(), but we\ndon't actually empty the rbtree - it's still pointing to nodes that were\nfreed.\n\nSo set the rbtree's root node to NULL to avoid this warning (assign\nRB_ROOT)." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/btrfs/qgroup.c" ], "versions": [ { "version": "40ea30638d20c92b44107247415842b72c460459", "lessThan": "ae91ab710d8e309f6c9eba07ce0d9d0b5d9040f0", "status": "affected", "versionType": "git" }, { "version": "81f7eb00ff5bb8326e82503a32809421d14abb8a", "lessThan": "d2c667cc18314c9bad3ec86ae071c0342132aa09", "status": "affected", "versionType": "git" }, { "version": "81f7eb00ff5bb8326e82503a32809421d14abb8a", "lessThan": "c9060caab4135dd660c4676d1ea33a6e0d3fc09d", "status": "affected", "versionType": "git" }, { "version": "81f7eb00ff5bb8326e82503a32809421d14abb8a", "lessThan": "89e994688e965813ec0a09fb30b87fb8cee06474", "status": "affected", "versionType": "git" }, { "version": "81f7eb00ff5bb8326e82503a32809421d14abb8a", "lessThan": "62dd82bc7a90b5052c062a0ad5be6d8a479a3cfb", "status": "affected", "versionType": "git" }, { "version": "81f7eb00ff5bb8326e82503a32809421d14abb8a", "lessThan": "aa84ce8a78a1a5c10cdf9c7a5fb0c999fbc2c8d6", "status": "affected", "versionType": "git" }, { "version": "4e2e49d4211db43e0ec932579dab6a969e7e8df1", "status": "affected", "versionType": "git" }, { "version": "5.4.23", "lessThan": "5.4.251", "status": "affected", "versionType": "semver" }, { "version": "5.5.7", "lessThan": "5.6", "status": "affected", "versionType": "semver" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/btrfs/qgroup.c" ], "versions": [ { "version": "5.6", "status": "affected" }, { "version": "0", "lessThan": "5.6", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.251", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.188", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.123", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.42", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.4.7", "lessThanOrEqual": "6.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.5", "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": "5.4.23", "versionEndExcluding": "5.4.251" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.6", "versionEndExcluding": "5.10.188" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.6", "versionEndExcluding": "5.15.123" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.6", "versionEndExcluding": "6.1.42" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.6", "versionEndExcluding": "6.4.7" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.6", "versionEndExcluding": "6.5" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5.7" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/ae91ab710d8e309f6c9eba07ce0d9d0b5d9040f0" }, { "url": "https://git.kernel.org/stable/c/d2c667cc18314c9bad3ec86ae071c0342132aa09" }, { "url": "https://git.kernel.org/stable/c/c9060caab4135dd660c4676d1ea33a6e0d3fc09d" }, { "url": "https://git.kernel.org/stable/c/89e994688e965813ec0a09fb30b87fb8cee06474" }, { "url": "https://git.kernel.org/stable/c/62dd82bc7a90b5052c062a0ad5be6d8a479a3cfb" }, { "url": "https://git.kernel.org/stable/c/aa84ce8a78a1a5c10cdf9c7a5fb0c999fbc2c8d6" } ], "title": "btrfs: fix warning when putting transaction with qgroups enabled after abort", "x_generator": { "engine": "bippy-1.2.0" } } } }