{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-53730", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-10-22T13:21:37.349Z", "datePublished": "2025-10-22T13:23:58.419Z", "dateUpdated": "2025-10-22T13:23:58.419Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-10-22T13:23:58.419Z"}, "descriptions": [{"lang": "en", "value": "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): [<ffffffff84b9419d>] __raw_spin_unlock_irqrestore\n hardirqs last enabled at (837521): [<ffffffff84b9419d>] _raw_spin_unlock_irqrestore+0x3d/0x40\n hardirqs last disabled at (837522): [<ffffffff84b93fa3>] __raw_spin_lock_irq\n hardirqs last disabled at (837522): [<ffffffff84b93fa3>] _raw_spin_lock_irq+0x43/0x50\n softirqs last enabled at (835852): [<ffffffff84e00558>] __do_softirq+0x558/0x8ec\n softirqs last disabled at (835845): [<ffffffff84c010ff>] 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 <Interrupt>\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": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["block/blk-iocost.c"], "versions": [{"version": "b0853ab4a238c54b8f97ca7dde1ae156e2bbd5e4", "lessThan": "8563b58a4360e648ce18f0e98a75a4be51667431", "status": "affected", "versionType": "git"}, {"version": "b0853ab4a238c54b8f97ca7dde1ae156e2bbd5e4", "lessThan": "eb120c0aff5ceab9c9c46b87f302465bbf2bbaed", "status": "affected", "versionType": "git"}, {"version": "b0853ab4a238c54b8f97ca7dde1ae156e2bbd5e4", "lessThan": "8ceeb3fc86a83700bb1585c189006080a47e8506", "status": "affected", "versionType": "git"}, {"version": "b0853ab4a238c54b8f97ca7dde1ae156e2bbd5e4", "lessThan": "9279a1b74ad98039d5d44d26b9e7a9cfe655b6d3", "status": "affected", "versionType": "git"}, {"version": "b0853ab4a238c54b8f97ca7dde1ae156e2bbd5e4", "lessThan": "3376c4fe2db4aea2dc721a27a999c41fdb45b54f", "status": "affected", "versionType": "git"}, {"version": "b0853ab4a238c54b8f97ca7dde1ae156e2bbd5e4", "lessThan": "8d211554679d0b23702bd32ba04aeac0c1c4f660", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["block/blk-iocost.c"], "versions": [{"version": "5.10", "status": "affected"}, {"version": "0", "lessThan": "5.10", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.188", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.121", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.39", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.3.13", "lessThanOrEqual": "6.3.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.4.4", "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": "5.10", "versionEndExcluding": "5.10.188"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "5.15.121"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "6.1.39"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "6.3.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "6.4.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "6.5"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/8563b58a4360e648ce18f0e98a75a4be51667431"}, {"url": "https://git.kernel.org/stable/c/eb120c0aff5ceab9c9c46b87f302465bbf2bbaed"}, {"url": "https://git.kernel.org/stable/c/8ceeb3fc86a83700bb1585c189006080a47e8506"}, {"url": "https://git.kernel.org/stable/c/9279a1b74ad98039d5d44d26b9e7a9cfe655b6d3"}, {"url": "https://git.kernel.org/stable/c/3376c4fe2db4aea2dc721a27a999c41fdb45b54f"}, {"url": "https://git.kernel.org/stable/c/8d211554679d0b23702bd32ba04aeac0c1c4f660"}], "title": "blk-iocost: use spin_lock_irqsave in adjust_inuse_and_calc_cost", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "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): [<ffffffff84b9419d>] __raw_spin_unlock_irqrestore\n hardirqs last enabled at (837521): [<ffffffff84b9419d>] _raw_spin_unlock_irqrestore+0x3d/0x40\n hardirqs last disabled at (837522): [<ffffffff84b93fa3>] __raw_spin_lock_irq\n hardirqs last disabled at (837522): [<ffffffff84b93fa3>] _raw_spin_lock_irq+0x43/0x50\n softirqs last enabled at (835852): [<ffffffff84e00558>] __do_softirq+0x558/0x8ec\n softirqs last disabled at (835845): [<ffffffff84c010ff>] 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 <Interrupt>\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"}], "id": "CVE-2023-53730", "lastModified": "2025-10-22T21:12:48.953", "metrics": {}, "published": "2025-10-22T14:15:48.310", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3376c4fe2db4aea2dc721a27a999c41fdb45b54f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8563b58a4360e648ce18f0e98a75a4be51667431"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8ceeb3fc86a83700bb1585c189006080a47e8506"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8d211554679d0b23702bd32ba04aeac0c1c4f660"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9279a1b74ad98039d5d44d26b9e7a9cfe655b6d3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/eb120c0aff5ceab9c9c46b87f302465bbf2bbaed"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: blk-iocost: use spin_lock_irqsave in adjust_inuse_and_calc_cost", "id": "2405738", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2405738"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2023-53730", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-10-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-53730\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-53730\nhttps://lore.kernel.org/linux-cve-announce/2025102216-CVE-2023-53730-d257@gregkh/T"], "threat_severity": "Low"}

{"created": "2025-10-23T10:05:03.512544+00:00", "updated": "2025-10-23T10:05:03.512570+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}