{ "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-2023-53730", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-53730", "idYear": 2023, "status": "PUBLISHED", "publishedAt": "2025-10-22T13:23:58.419Z", "updatedAt": "2026-05-11T19:50:44.742Z", "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": "blk-iocost: use spin_lock_irqsave in adjust_inuse_and_calc_cost", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nblk-iocost: use spin_lock_irqsave in adjust_inuse_and_calc_cost\n\nadjust_inuse_and_calc_cost() use spin_lock_irq() and IRQ will be enabled\nwhen unlock. DEADLOCK might happen if we have held other locks and disabled\nIRQ before invoking it.\n\nFix it by using spin_lock_irqsave() instead, which can keep IRQ state\nconsistent with before when unlock.\n\n ================================\n WARNING: inconsistent lock state\n 5.10.0-02758-g8e5f91fd772f #26 Not tainted\n --------------------------------\n inconsistent {IN-HARDIRQ-W} -> {HARDIRQ-ON-W} usage.\n kworker/2:3/388 [HC0[0]:SC0[0]:HE0:SE1] takes:\n ffff888118c00c28 (&bfqd->lock){?.-.}-{2:2}, at: spin_lock_irq\n ffff888118c00c28 (&bfqd->lock){?.-.}-{2:2}, at: bfq_bio_merge+0x141/0x390\n {IN-HARDIRQ-W} state was registered at:\n __lock_acquire+0x3d7/0x1070\n lock_acquire+0x197/0x4a0\n __raw_spin_lock_irqsave\n _raw_spin_lock_irqsave+0x3b/0x60\n bfq_idle_slice_timer_body\n bfq_idle_slice_timer+0x53/0x1d0\n __run_hrtimer+0x477/0xa70\n __hrtimer_run_queues+0x1c6/0x2d0\n hrtimer_interrupt+0x302/0x9e0\n local_apic_timer_interrupt\n __sysvec_apic_timer_interrupt+0xfd/0x420\n run_sysvec_on_irqstack_cond\n sysvec_apic_timer_interrupt+0x46/0xa0\n asm_sysvec_apic_timer_interrupt+0x12/0x20\n irq event stamp: 837522\n hardirqs last enabled at (837521): [] __raw_spin_unlock_irqrestore\n hardirqs last enabled at (837521): [] _raw_spin_unlock_irqrestore+0x3d/0x40\n hardirqs last disabled at (837522): [] __raw_spin_lock_irq\n hardirqs last disabled at (837522): [] _raw_spin_lock_irq+0x43/0x50\n softirqs last enabled at (835852): [] __do_softirq+0x558/0x8ec\n softirqs last disabled at (835845): [] asm_call_irq_on_stack+0xf/0x20\n\n other info that might help us debug this:\n Possible unsafe locking scenario:\n\n CPU0\n ----\n lock(&bfqd->lock);\n \n lock(&bfqd->lock);\n\n *** DEADLOCK ***\n\n 3 locks held by kworker/2:3/388:\n #0: ffff888107af0f38 ((wq_completion)kthrotld){+.+.}-{0:0}, at: process_one_work+0x742/0x13f0\n #1: ffff8881176bfdd8 ((work_completion)(&td->dispatch_work)){+.+.}-{0:0}, at: process_one_work+0x777/0x13f0\n #2: ffff888118c00c28 (&bfqd->lock){?.-.}-{2:2}, at: spin_lock_irq\n #2: ffff888118c00c28 (&bfqd->lock){?.-.}-{2:2}, at: bfq_bio_merge+0x141/0x390\n\n stack backtrace:\n CPU: 2 PID: 388 Comm: kworker/2:3 Not tainted 5.10.0-02758-g8e5f91fd772f #26\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014\n Workqueue: kthrotld blk_throtl_dispatch_work_fn\n Call Trace:\n __dump_stack lib/dump_stack.c:77 [inline]\n dump_stack+0x107/0x167\n print_usage_bug\n valid_state\n mark_lock_irq.cold+0x32/0x3a\n mark_lock+0x693/0xbc0\n mark_held_locks+0x9e/0xe0\n __trace_hardirqs_on_caller\n lockdep_hardirqs_on_prepare.part.0+0x151/0x360\n trace_hardirqs_on+0x5b/0x180\n __raw_spin_unlock_irq\n _raw_spin_unlock_irq+0x24/0x40\n spin_unlock_irq\n adjust_inuse_and_calc_cost+0x4fb/0x970\n ioc_rqos_merge+0x277/0x740\n __rq_qos_merge+0x62/0xb0\n rq_qos_merge\n bio_attempt_back_merge+0x12c/0x4a0\n blk_mq_sched_try_merge+0x1b6/0x4d0\n bfq_bio_merge+0x24a/0x390\n __blk_mq_sched_bio_merge+0xa6/0x460\n blk_mq_sched_bio_merge\n blk_mq_submit_bio+0x2e7/0x1ee0\n __submit_bio_noacct_mq+0x175/0x3b0\n submit_bio_noacct+0x1fb/0x270\n blk_throtl_dispatch_work_fn+0x1ef/0x2b0\n process_one_work+0x83e/0x13f0\n process_scheduled_works\n worker_thread+0x7e3/0xd80\n kthread+0x353/0x470\n ret_from_fork+0x1f/0x30", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "b0853ab4a238c54b8f97ca7dde1ae156e2bbd5e4", "status": "affected", "versionType": "git", "lessThan": "8563b58a4360e648ce18f0e98a75a4be51667431" }, { "version": "b0853ab4a238c54b8f97ca7dde1ae156e2bbd5e4", "status": "affected", "versionType": "git", "lessThan": "eb120c0aff5ceab9c9c46b87f302465bbf2bbaed" }, { "version": "b0853ab4a238c54b8f97ca7dde1ae156e2bbd5e4", "status": "affected", "versionType": "git", "lessThan": "8ceeb3fc86a83700bb1585c189006080a47e8506" }, { "version": "b0853ab4a238c54b8f97ca7dde1ae156e2bbd5e4", "status": "affected", "versionType": "git", "lessThan": "9279a1b74ad98039d5d44d26b9e7a9cfe655b6d3" }, { "version": "b0853ab4a238c54b8f97ca7dde1ae156e2bbd5e4", "status": "affected", "versionType": "git", "lessThan": "3376c4fe2db4aea2dc721a27a999c41fdb45b54f" }, { "version": "b0853ab4a238c54b8f97ca7dde1ae156e2bbd5e4", "status": "affected", "versionType": "git", "lessThan": "8d211554679d0b23702bd32ba04aeac0c1c4f660" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "5.10", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "5.10" }, { "version": "5.10.188", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.121", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.39", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.3.13", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.3.*" }, { "version": "6.4.4", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.4.*" }, { "version": "6.5", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }