CVE-2024-56658 (GCVE-0-2024-56658)
Vulnerability from cvelistv5
Published
2024-12-27 15:06
Modified
2025-11-03 20:51
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: net: defer final 'struct net' free in netns dismantle Ilya reported a slab-use-after-free in dst_destroy [1] Issue is in xfrm6_net_init() and xfrm4_net_init() : They copy xfrm[46]_dst_ops_template into net->xfrm.xfrm[46]_dst_ops. But net structure might be freed before all the dst callbacks are called. So when dst_destroy() calls later : if (dst->ops->destroy) dst->ops->destroy(dst); dst->ops points to the old net->xfrm.xfrm[46]_dst_ops, which has been freed. See a relevant issue fixed in : ac888d58869b ("net: do not delay dst_entries_add() in dst_release()") A fix is to queue the 'struct net' to be freed after one another cleanup_net() round (and existing rcu_barrier()) [1] BUG: KASAN: slab-use-after-free in dst_destroy (net/core/dst.c:112) Read of size 8 at addr ffff8882137ccab0 by task swapper/37/0 Dec 03 05:46:18 kernel: CPU: 37 UID: 0 PID: 0 Comm: swapper/37 Kdump: loaded Not tainted 6.12.0 #67 Hardware name: Red Hat KVM/RHEL, BIOS 1.16.1-1.el9 04/01/2014 Call Trace: <IRQ> dump_stack_lvl (lib/dump_stack.c:124) print_address_description.constprop.0 (mm/kasan/report.c:378) ? dst_destroy (net/core/dst.c:112) print_report (mm/kasan/report.c:489) ? dst_destroy (net/core/dst.c:112) ? kasan_addr_to_slab (mm/kasan/common.c:37) kasan_report (mm/kasan/report.c:603) ? dst_destroy (net/core/dst.c:112) ? rcu_do_batch (kernel/rcu/tree.c:2567) dst_destroy (net/core/dst.c:112) rcu_do_batch (kernel/rcu/tree.c:2567) ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2491) ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4339 kernel/locking/lockdep.c:4406) rcu_core (kernel/rcu/tree.c:2825) handle_softirqs (kernel/softirq.c:554) __irq_exit_rcu (kernel/softirq.c:589 kernel/softirq.c:428 kernel/softirq.c:637) irq_exit_rcu (kernel/softirq.c:651) sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) </IRQ> <TASK> asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) RIP: 0010:default_idle (./arch/x86/include/asm/irqflags.h:37 ./arch/x86/include/asm/irqflags.h:92 arch/x86/kernel/process.c:743) Code: 00 4d 29 c8 4c 01 c7 4c 29 c2 e9 6e ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 90 0f 00 2d c7 c9 27 00 fb f4 <fa> c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 RSP: 0018:ffff888100d2fe00 EFLAGS: 00000246 RAX: 00000000001870ed RBX: 1ffff110201a5fc2 RCX: ffffffffb61a3e46 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb3d4d123 RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed11c7e1835d R10: ffff888e3f0c1aeb R11: 0000000000000000 R12: 0000000000000000 R13: ffff888100d20000 R14: dffffc0000000000 R15: 0000000000000000 ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:148) ? cpuidle_idle_call (kernel/sched/idle.c:186) default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) cpuidle_idle_call (kernel/sched/idle.c:186) ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) ? lock_release (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5848) ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) do_idle (kernel/sched/idle.c:326) cpu_startup_entry (kernel/sched/idle.c:423 (discriminator 1)) start_secondary (arch/x86/kernel/smpboot.c:202 arch/x86/kernel/smpboot.c:282) ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:232) ? soft_restart_cpu (arch/x86/kernel/head_64.S:452) common_startup_64 (arch/x86/kernel/head_64.S:414) </TASK> Dec 03 05:46:18 kernel: Allocated by task 12184: kasan_save_stack (mm/kasan/common.c:48) kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) __kasan_slab_alloc (mm/kasan/common.c:319 mm/kasan/common.c:345) kmem_cache_alloc_noprof (mm/slub.c:4085 mm/slub.c:4134 mm/slub.c:4141) copy_net_ns (net/core/net_namespace.c:421 net/core/net_namespace.c:480) create_new_namespaces ---truncated---
References
Impacted products
Vendor Product Version
Linux Linux Version: a8a572a6b5f2a79280d6e302cb3c1cb1fbaeb3e8
Version: a8a572a6b5f2a79280d6e302cb3c1cb1fbaeb3e8
Version: a8a572a6b5f2a79280d6e302cb3c1cb1fbaeb3e8
Version: a8a572a6b5f2a79280d6e302cb3c1cb1fbaeb3e8
Version: a8a572a6b5f2a79280d6e302cb3c1cb1fbaeb3e8
Version: a8a572a6b5f2a79280d6e302cb3c1cb1fbaeb3e8
Version: 3e29fa5b742479f73400468314a1c6b9cf553ee4
Version: ce43f6a650a6689551a217276fb0dcca33790425
Version: eeca98948d8c4922e6deb16bfc9ee0bd9902dbb0
Version: 1bd631fc9a4515878c1bb7effd19335d2f2d87c2
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: defer final \u0027struct net\u0027 free in netns dismantle\n\nIlya reported a slab-use-after-free in dst_destroy [1]\n\nIssue is in xfrm6_net_init() and xfrm4_net_init() :\n\nThey copy xfrm[46]_dst_ops_template into net-\u003exfrm.xfrm[46]_dst_ops.\n\nBut net structure might be freed before all the dst callbacks are\ncalled. So when dst_destroy() calls later :\n\nif (dst-\u003eops-\u003edestroy)\n    dst-\u003eops-\u003edestroy(dst);\n\ndst-\u003eops points to the old net-\u003exfrm.xfrm[46]_dst_ops, which has been freed.\n\nSee a relevant issue fixed in :\n\nac888d58869b (\"net: do not delay dst_entries_add() in dst_release()\")\n\nA fix is to queue the \u0027struct net\u0027 to be freed after one\nanother cleanup_net() round (and existing rcu_barrier())\n\n[1]\n\nBUG: KASAN: slab-use-after-free in dst_destroy (net/core/dst.c:112)\nRead of size 8 at addr ffff8882137ccab0 by task swapper/37/0\nDec 03 05:46:18 kernel:\nCPU: 37 UID: 0 PID: 0 Comm: swapper/37 Kdump: loaded Not tainted 6.12.0 #67\nHardware name: Red Hat KVM/RHEL, BIOS 1.16.1-1.el9 04/01/2014\nCall Trace:\n \u003cIRQ\u003e\ndump_stack_lvl (lib/dump_stack.c:124)\nprint_address_description.constprop.0 (mm/kasan/report.c:378)\n? dst_destroy (net/core/dst.c:112)\nprint_report (mm/kasan/report.c:489)\n? dst_destroy (net/core/dst.c:112)\n? kasan_addr_to_slab (mm/kasan/common.c:37)\nkasan_report (mm/kasan/report.c:603)\n? dst_destroy (net/core/dst.c:112)\n? rcu_do_batch (kernel/rcu/tree.c:2567)\ndst_destroy (net/core/dst.c:112)\nrcu_do_batch (kernel/rcu/tree.c:2567)\n? __pfx_rcu_do_batch (kernel/rcu/tree.c:2491)\n? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4339 kernel/locking/lockdep.c:4406)\nrcu_core (kernel/rcu/tree.c:2825)\nhandle_softirqs (kernel/softirq.c:554)\n__irq_exit_rcu (kernel/softirq.c:589 kernel/softirq.c:428 kernel/softirq.c:637)\nirq_exit_rcu (kernel/softirq.c:651)\nsysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049)\n \u003c/IRQ\u003e\n \u003cTASK\u003e\nasm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702)\nRIP: 0010:default_idle (./arch/x86/include/asm/irqflags.h:37 ./arch/x86/include/asm/irqflags.h:92 arch/x86/kernel/process.c:743)\nCode: 00 4d 29 c8 4c 01 c7 4c 29 c2 e9 6e ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 90 0f 00 2d c7 c9 27 00 fb f4 \u003cfa\u003e c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90\nRSP: 0018:ffff888100d2fe00 EFLAGS: 00000246\nRAX: 00000000001870ed RBX: 1ffff110201a5fc2 RCX: ffffffffb61a3e46\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb3d4d123\nRBP: 0000000000000000 R08: 0000000000000001 R09: ffffed11c7e1835d\nR10: ffff888e3f0c1aeb R11: 0000000000000000 R12: 0000000000000000\nR13: ffff888100d20000 R14: dffffc0000000000 R15: 0000000000000000\n? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:148)\n? cpuidle_idle_call (kernel/sched/idle.c:186)\ndefault_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118)\ncpuidle_idle_call (kernel/sched/idle.c:186)\n? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168)\n? lock_release (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5848)\n? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)\n? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59)\ndo_idle (kernel/sched/idle.c:326)\ncpu_startup_entry (kernel/sched/idle.c:423 (discriminator 1))\nstart_secondary (arch/x86/kernel/smpboot.c:202 arch/x86/kernel/smpboot.c:282)\n? __pfx_start_secondary (arch/x86/kernel/smpboot.c:232)\n? soft_restart_cpu (arch/x86/kernel/head_64.S:452)\ncommon_startup_64 (arch/x86/kernel/head_64.S:414)\n \u003c/TASK\u003e\nDec 03 05:46:18 kernel:\nAllocated by task 12184:\nkasan_save_stack (mm/kasan/common.c:48)\nkasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69)\n__kasan_slab_alloc (mm/kasan/common.c:319 mm/kasan/common.c:345)\nkmem_cache_alloc_noprof (mm/slub.c:4085 mm/slub.c:4134 mm/slub.c:4141)\ncopy_net_ns (net/core/net_namespace.c:421 net/core/net_namespace.c:480)\ncreate_new_namespaces\n---truncated---"
        }
      ],
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        "dateUpdated": "2025-05-04T13:01:04.087Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      "references": [
        {
          "url": "https://git.kernel.org/stable/c/c261dcd61c9e88a8f1a66654354d32295a975230"
        },
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          "url": "https://git.kernel.org/stable/c/dac465986a4a38cd2f13e934f562b6ca344e5720"
        },
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        {
          "url": "https://git.kernel.org/stable/c/0f6ede9fbc747e2553612271bce108f7517e7a45"
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      "title": "net: defer final \u0027struct net\u0027 free in netns dismantle",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-56658",
    "datePublished": "2024-12-27T15:06:21.516Z",
    "dateReserved": "2024-12-27T15:00:39.841Z",
    "dateUpdated": "2025-11-03T20:51:59.582Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
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  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-56658\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-12-27T15:15:25.643\",\"lastModified\":\"2025-11-03T21:18:15.200\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet: defer final \u0027struct net\u0027 free in netns dismantle\\n\\nIlya reported a slab-use-after-free in dst_destroy [1]\\n\\nIssue is in xfrm6_net_init() and xfrm4_net_init() :\\n\\nThey copy xfrm[46]_dst_ops_template into net-\u003exfrm.xfrm[46]_dst_ops.\\n\\nBut net structure might be freed before all the dst callbacks are\\ncalled. So when dst_destroy() calls later :\\n\\nif (dst-\u003eops-\u003edestroy)\\n    dst-\u003eops-\u003edestroy(dst);\\n\\ndst-\u003eops points to the old net-\u003exfrm.xfrm[46]_dst_ops, which has been freed.\\n\\nSee a relevant issue fixed in :\\n\\nac888d58869b (\\\"net: do not delay dst_entries_add() in dst_release()\\\")\\n\\nA fix is to queue the \u0027struct net\u0027 to be freed after one\\nanother cleanup_net() round (and existing rcu_barrier())\\n\\n[1]\\n\\nBUG: KASAN: slab-use-after-free in dst_destroy (net/core/dst.c:112)\\nRead of size 8 at addr ffff8882137ccab0 by task swapper/37/0\\nDec 03 05:46:18 kernel:\\nCPU: 37 UID: 0 PID: 0 Comm: swapper/37 Kdump: loaded Not tainted 6.12.0 #67\\nHardware name: Red Hat KVM/RHEL, BIOS 1.16.1-1.el9 04/01/2014\\nCall Trace:\\n \u003cIRQ\u003e\\ndump_stack_lvl (lib/dump_stack.c:124)\\nprint_address_description.constprop.0 (mm/kasan/report.c:378)\\n? dst_destroy (net/core/dst.c:112)\\nprint_report (mm/kasan/report.c:489)\\n? dst_destroy (net/core/dst.c:112)\\n? kasan_addr_to_slab (mm/kasan/common.c:37)\\nkasan_report (mm/kasan/report.c:603)\\n? dst_destroy (net/core/dst.c:112)\\n? rcu_do_batch (kernel/rcu/tree.c:2567)\\ndst_destroy (net/core/dst.c:112)\\nrcu_do_batch (kernel/rcu/tree.c:2567)\\n? __pfx_rcu_do_batch (kernel/rcu/tree.c:2491)\\n? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4339 kernel/locking/lockdep.c:4406)\\nrcu_core (kernel/rcu/tree.c:2825)\\nhandle_softirqs (kernel/softirq.c:554)\\n__irq_exit_rcu (kernel/softirq.c:589 kernel/softirq.c:428 kernel/softirq.c:637)\\nirq_exit_rcu (kernel/softirq.c:651)\\nsysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049)\\n \u003c/IRQ\u003e\\n \u003cTASK\u003e\\nasm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702)\\nRIP: 0010:default_idle (./arch/x86/include/asm/irqflags.h:37 ./arch/x86/include/asm/irqflags.h:92 arch/x86/kernel/process.c:743)\\nCode: 00 4d 29 c8 4c 01 c7 4c 29 c2 e9 6e ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 90 0f 00 2d c7 c9 27 00 fb f4 \u003cfa\u003e c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90\\nRSP: 0018:ffff888100d2fe00 EFLAGS: 00000246\\nRAX: 00000000001870ed RBX: 1ffff110201a5fc2 RCX: ffffffffb61a3e46\\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb3d4d123\\nRBP: 0000000000000000 R08: 0000000000000001 R09: ffffed11c7e1835d\\nR10: ffff888e3f0c1aeb R11: 0000000000000000 R12: 0000000000000000\\nR13: ffff888100d20000 R14: dffffc0000000000 R15: 0000000000000000\\n? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:148)\\n? cpuidle_idle_call (kernel/sched/idle.c:186)\\ndefault_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118)\\ncpuidle_idle_call (kernel/sched/idle.c:186)\\n? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168)\\n? lock_release (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5848)\\n? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)\\n? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59)\\ndo_idle (kernel/sched/idle.c:326)\\ncpu_startup_entry (kernel/sched/idle.c:423 (discriminator 1))\\nstart_secondary (arch/x86/kernel/smpboot.c:202 arch/x86/kernel/smpboot.c:282)\\n? __pfx_start_secondary (arch/x86/kernel/smpboot.c:232)\\n? soft_restart_cpu (arch/x86/kernel/head_64.S:452)\\ncommon_startup_64 (arch/x86/kernel/head_64.S:414)\\n \u003c/TASK\u003e\\nDec 03 05:46:18 kernel:\\nAllocated by task 12184:\\nkasan_save_stack (mm/kasan/common.c:48)\\nkasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69)\\n__kasan_slab_alloc (mm/kasan/common.c:319 mm/kasan/common.c:345)\\nkmem_cache_alloc_noprof (mm/slub.c:4085 mm/slub.c:4134 mm/slub.c:4141)\\ncopy_net_ns (net/core/net_namespace.c:421 net/core/net_namespace.c:480)\\ncreate_new_namespaces\\n---truncated---\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: defer final \u0027struct net\u0027 free en netns dismantle Ilya inform\u00f3 de un slab-use-after-free en dst_destroy [1] El problema est\u00e1 en xfrm6_net_init() y xfrm4_net_init(): copian xfrm[46]_dst_ops_template en net-\u0026gt;xfrm.xfrm[46]_dst_ops. Pero la estructura net podr\u00eda liberarse antes de que se llamen todas las devoluciones de llamadas dst. Entonces, cuando dst_destroy() llama m\u00e1s tarde: if (dst-\u0026gt;ops-\u0026gt;destroy) dst-\u0026gt;ops-\u0026gt;destroy(dst); dst-\u0026gt;ops apunta al antiguo net-\u0026gt;xfrm.xfrm[46]_dst_ops, que ha sido liberado. Consulte un problema relevante corregido en: ac888d58869b (\\\"net: no demore dst_entries_add() en dst_release()\\\") Una soluci\u00f3n es poner en cola la \u0027struct net\u0027 para que se libere despu\u00e9s de otra ronda cleanup_net() (y rcu_barrier() existente) [1] ERROR: KASAN: slab-use-after-free en dst_destroy (net/core/dst.c:112) Lectura de tama\u00f1o 8 en la direcci\u00f3n ffff8882137ccab0 por la tarea swapper/37/0 03 de diciembre 05:46:18 kernel: CPU: 37 UID: 0 PID: 0 Comm: swapper/37 Kdump: cargado No contaminado 6.12.0 #67 Nombre del hardware: Red Hat KVM/RHEL, BIOS 1.16.1-1.el9 01/04/2014 Seguimiento de llamadas:  dump_stack_lvl (lib/dump_stack.c:124) imprimir_direcci\u00f3n_descripci\u00f3n.constprop.0 (mm/kasan/report.c:378) ? dst_destroy (net/core/dst.c:112) imprimir_informe (mm/kasan/report.c:489) ? dst_destroy (net/core/dst.c:112) ? kasan_addr_to_slab (mm/kasan/common.c:37) kasan_report (mm/kasan/report.c:603) ? dst_destroy (net/core/dst.c:112) ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2491) ?  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) RIP: 0010:default_idle (./arch/x86/include/asm/irqflags.h:37 ./arch/x86/include/asm/irqflags.h:92 arch/x86/kernel/process.c:743) C\u00f3digo: 00 4d 29 c8 4c 01 c7 4c 29 c2 e9 6e ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 90 0f 00 2d c7 c9 27 00 fb f4  c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 RSP: 0018:ffff888100d2fe00 EFLAGS: 00000246 RAX: 00000000001870ed RBX: 1ffff110201a5fc2 RCX: ffffffffb61a3e46 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb3d4d123 RBP: 00000000000000000 R08: 0000000000000001 R09: fffffed11c7e1835d R10: ffff888e3f0c1aeb R11: 0000000000000000 R12: 0000000000000000 R13: ffff888100d20000 R14: dffffc0000000000 R15: 0000000000000000 ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) ? lock_release (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5848) ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) do_idle (kernel/sched/idle.c:326) cpu_startup_entry (kernel/sched/idle.c:423 (discriminador 1)) start_secondary (arch/x86/kernel/smpboot.c:202 arch/x86/kernel/smpboot.c:282) ? \u00bf__pfx_start_secondary (arch/x86/kernel/smpboot.c:232)? soft_restart_cpu (arch/x86/kernel/head_64.S:452) common_startup_64 (arch/x86/kernel/head_64.S:414)  03 de diciembre 05:46:18 kernel: Asignado por la tarea 12184: kasan_save_stack (mm/kasan/common.c:48) kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) __kasan_slab_alloc (mm/kasan/common.c:319 mm/kasan/common.c:345) kmem_cache_alloc_noprof (mm/slub.c:4085 mm/slub.c:4134 mm/slub.c:4141) copy_net_ns (net/core/net_namespace.c:421 net/core/net_namespace.c:480) crear_nuevos_espacios_de_nombres ---truncado---\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.12.54\",\"versionEndExcluding\":\"3.13\",\"matchCriteriaId\":\"3CBDFF43-F898-4286-9677-F3E19704BF1C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.18.27\",\"versionEndExcluding\":\"3.19\",\"matchCriteriaId\":\"14D92A66-8C70-4279-97AA-2054416F1C44\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.1.17\",\"versionEndExcluding\":\"4.2\",\"matchCriteriaId\":\"E2E107F1-35B3-421F-8885-96D2886DA0D5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.3.5\",\"versionEndExcluding\":\"6.1.121\",\"matchCriteriaId\":\"D2F934CB-C8CE-4CA1-8364-08AD4C244702\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.67\",\"matchCriteriaId\":\"BF4F2CD1-2CA6-4D6B-9B0C-57C3C4D6544A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.12.6\",\"matchCriteriaId\":\"0CB1A9BB-F95E-43DD-A2FD-147912FD91E5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"62567B3C-6CEE-46D0-BC2E-B3717FBF7D13\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"5A073481-106D-4B15-B4C7-FB0213B8E1D4\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0f6ede9fbc747e2553612271bce108f7517e7a45\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/3267b254dc0a04dfa362a2be24573cfa6d2d78f5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6610c7f8a8d47fd1123eed55ba8c11c2444d8842\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b7a79e51297f7b82adb687086f5cb2da446f1e40\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c261dcd61c9e88a8f1a66654354d32295a975230\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/dac465986a4a38cd2f13e934f562b6ca344e5720\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-03T20:51:59.582Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.8, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-56658\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-03-06T16:07:39.771240Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-416\", \"description\": \"CWE-416 Use After Free\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-03-06T16:07:41.125Z\"}}], \"cna\": {\"title\": \"net: defer final \u0027struct net\u0027 free in netns dismantle\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"a8a572a6b5f2a79280d6e302cb3c1cb1fbaeb3e8\", \"lessThan\": \"c261dcd61c9e88a8f1a66654354d32295a975230\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"a8a572a6b5f2a79280d6e302cb3c1cb1fbaeb3e8\", \"lessThan\": \"dac465986a4a38cd2f13e934f562b6ca344e5720\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"a8a572a6b5f2a79280d6e302cb3c1cb1fbaeb3e8\", \"lessThan\": \"3267b254dc0a04dfa362a2be24573cfa6d2d78f5\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"a8a572a6b5f2a79280d6e302cb3c1cb1fbaeb3e8\", \"lessThan\": \"b7a79e51297f7b82adb687086f5cb2da446f1e40\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"a8a572a6b5f2a79280d6e302cb3c1cb1fbaeb3e8\", \"lessThan\": \"6610c7f8a8d47fd1123eed55ba8c11c2444d8842\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"a8a572a6b5f2a79280d6e302cb3c1cb1fbaeb3e8\", \"lessThan\": \"0f6ede9fbc747e2553612271bce108f7517e7a45\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"3e29fa5b742479f73400468314a1c6b9cf553ee4\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"ce43f6a650a6689551a217276fb0dcca33790425\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"eeca98948d8c4922e6deb16bfc9ee0bd9902dbb0\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1bd631fc9a4515878c1bb7effd19335d2f2d87c2\", \"versionType\": \"git\"}], \"programFiles\": [\"include/net/net_namespace.h\", \"net/core/net_namespace.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.4\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.4\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.10.237\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.181\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.121\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.67\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12.6\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.12.*\"}, {\"status\": \"unaffected\", \"version\": \"6.13\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"include/net/net_namespace.h\", \"net/core/net_namespace.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/c261dcd61c9e88a8f1a66654354d32295a975230\"}, {\"url\": \"https://git.kernel.org/stable/c/dac465986a4a38cd2f13e934f562b6ca344e5720\"}, {\"url\": \"https://git.kernel.org/stable/c/3267b254dc0a04dfa362a2be24573cfa6d2d78f5\"}, {\"url\": \"https://git.kernel.org/stable/c/b7a79e51297f7b82adb687086f5cb2da446f1e40\"}, {\"url\": \"https://git.kernel.org/stable/c/6610c7f8a8d47fd1123eed55ba8c11c2444d8842\"}, {\"url\": \"https://git.kernel.org/stable/c/0f6ede9fbc747e2553612271bce108f7517e7a45\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet: defer final \u0027struct net\u0027 free in netns dismantle\\n\\nIlya reported a slab-use-after-free in dst_destroy [1]\\n\\nIssue is in xfrm6_net_init() and xfrm4_net_init() :\\n\\nThey copy xfrm[46]_dst_ops_template into net-\u003exfrm.xfrm[46]_dst_ops.\\n\\nBut net structure might be freed before all the dst callbacks are\\ncalled. So when dst_destroy() calls later :\\n\\nif (dst-\u003eops-\u003edestroy)\\n    dst-\u003eops-\u003edestroy(dst);\\n\\ndst-\u003eops points to the old net-\u003exfrm.xfrm[46]_dst_ops, which has been freed.\\n\\nSee a relevant issue fixed in :\\n\\nac888d58869b (\\\"net: do not delay dst_entries_add() in dst_release()\\\")\\n\\nA fix is to queue the \u0027struct net\u0027 to be freed after one\\nanother cleanup_net() round (and existing rcu_barrier())\\n\\n[1]\\n\\nBUG: KASAN: slab-use-after-free in dst_destroy (net/core/dst.c:112)\\nRead of size 8 at addr ffff8882137ccab0 by task swapper/37/0\\nDec 03 05:46:18 kernel:\\nCPU: 37 UID: 0 PID: 0 Comm: swapper/37 Kdump: loaded Not tainted 6.12.0 #67\\nHardware name: Red Hat KVM/RHEL, BIOS 1.16.1-1.el9 04/01/2014\\nCall Trace:\\n \u003cIRQ\u003e\\ndump_stack_lvl (lib/dump_stack.c:124)\\nprint_address_description.constprop.0 (mm/kasan/report.c:378)\\n? dst_destroy (net/core/dst.c:112)\\nprint_report (mm/kasan/report.c:489)\\n? dst_destroy (net/core/dst.c:112)\\n? kasan_addr_to_slab (mm/kasan/common.c:37)\\nkasan_report (mm/kasan/report.c:603)\\n? dst_destroy (net/core/dst.c:112)\\n? rcu_do_batch (kernel/rcu/tree.c:2567)\\ndst_destroy (net/core/dst.c:112)\\nrcu_do_batch (kernel/rcu/tree.c:2567)\\n? __pfx_rcu_do_batch (kernel/rcu/tree.c:2491)\\n? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4339 kernel/locking/lockdep.c:4406)\\nrcu_core (kernel/rcu/tree.c:2825)\\nhandle_softirqs (kernel/softirq.c:554)\\n__irq_exit_rcu (kernel/softirq.c:589 kernel/softirq.c:428 kernel/softirq.c:637)\\nirq_exit_rcu (kernel/softirq.c:651)\\nsysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049)\\n \u003c/IRQ\u003e\\n \u003cTASK\u003e\\nasm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702)\\nRIP: 0010:default_idle (./arch/x86/include/asm/irqflags.h:37 ./arch/x86/include/asm/irqflags.h:92 arch/x86/kernel/process.c:743)\\nCode: 00 4d 29 c8 4c 01 c7 4c 29 c2 e9 6e ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 90 0f 00 2d c7 c9 27 00 fb f4 \u003cfa\u003e c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90\\nRSP: 0018:ffff888100d2fe00 EFLAGS: 00000246\\nRAX: 00000000001870ed RBX: 1ffff110201a5fc2 RCX: ffffffffb61a3e46\\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb3d4d123\\nRBP: 0000000000000000 R08: 0000000000000001 R09: ffffed11c7e1835d\\nR10: ffff888e3f0c1aeb R11: 0000000000000000 R12: 0000000000000000\\nR13: ffff888100d20000 R14: dffffc0000000000 R15: 0000000000000000\\n? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:148)\\n? cpuidle_idle_call (kernel/sched/idle.c:186)\\ndefault_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118)\\ncpuidle_idle_call (kernel/sched/idle.c:186)\\n? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168)\\n? lock_release (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5848)\\n? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)\\n? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59)\\ndo_idle (kernel/sched/idle.c:326)\\ncpu_startup_entry (kernel/sched/idle.c:423 (discriminator 1))\\nstart_secondary (arch/x86/kernel/smpboot.c:202 arch/x86/kernel/smpboot.c:282)\\n? __pfx_start_secondary (arch/x86/kernel/smpboot.c:232)\\n? soft_restart_cpu (arch/x86/kernel/head_64.S:452)\\ncommon_startup_64 (arch/x86/kernel/head_64.S:414)\\n \u003c/TASK\u003e\\nDec 03 05:46:18 kernel:\\nAllocated by task 12184:\\nkasan_save_stack (mm/kasan/common.c:48)\\nkasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69)\\n__kasan_slab_alloc (mm/kasan/common.c:319 mm/kasan/common.c:345)\\nkmem_cache_alloc_noprof (mm/slub.c:4085 mm/slub.c:4134 mm/slub.c:4141)\\ncopy_net_ns (net/core/net_namespace.c:421 net/core/net_namespace.c:480)\\ncreate_new_namespaces\\n---truncated---\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.237\", \"versionStartIncluding\": \"4.4\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.181\", \"versionStartIncluding\": \"4.4\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.121\", \"versionStartIncluding\": \"4.4\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.67\", \"versionStartIncluding\": \"4.4\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12.6\", \"versionStartIncluding\": \"4.4\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.13\", \"versionStartIncluding\": \"4.4\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"3.12.54\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"3.18.27\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"4.1.17\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"4.3.5\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T13:01:04.087Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-56658\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-11-03T20:51:59.582Z\", \"dateReserved\": \"2024-12-27T15:00:39.841Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-12-27T15:06:21.516Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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