{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2023-53865", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-53865", "idYear": 2023, "status": "PUBLISHED", "publishedAt": "2025-12-09T01:30:34.588Z", "updatedAt": "2026-05-23T15:31:37.051Z", "importedAt": "2026-10-24T01:57:03.413Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "btrfs: fix warning when putting transaction with qgroups enabled after abort", "summary": "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": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "40ea30638d20c92b44107247415842b72c460459", "status": "affected", "versionType": "git", "lessThan": "ae91ab710d8e309f6c9eba07ce0d9d0b5d9040f0" }, { "version": "81f7eb00ff5bb8326e82503a32809421d14abb8a", "status": "affected", "versionType": "git", "lessThan": "d2c667cc18314c9bad3ec86ae071c0342132aa09" }, { "version": "81f7eb00ff5bb8326e82503a32809421d14abb8a", "status": "affected", "versionType": "git", "lessThan": "c9060caab4135dd660c4676d1ea33a6e0d3fc09d" }, { "version": "81f7eb00ff5bb8326e82503a32809421d14abb8a", "status": "affected", "versionType": "git", "lessThan": "89e994688e965813ec0a09fb30b87fb8cee06474" }, { "version": "81f7eb00ff5bb8326e82503a32809421d14abb8a", "status": "affected", "versionType": "git", "lessThan": "62dd82bc7a90b5052c062a0ad5be6d8a479a3cfb" }, { "version": "81f7eb00ff5bb8326e82503a32809421d14abb8a", "status": "affected", "versionType": "git", "lessThan": "aa84ce8a78a1a5c10cdf9c7a5fb0c999fbc2c8d6" }, { "version": "4e2e49d4211db43e0ec932579dab6a969e7e8df1", "status": "affected", "versionType": "git" }, { "version": "5.4.23", "status": "affected", "versionType": "semver", "lessThan": "5.4.251" }, { "version": "5.5.7", "status": "affected", "versionType": "semver", "lessThan": "5.6" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "5.6", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "5.6" }, { "version": "5.4.251", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.4.*" }, { "version": "5.10.188", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.123", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.42", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.4.7", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.4.*" }, { "version": "6.5", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }