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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm: call the resume method on internal suspend\n\nThere is this reported crash when experimenting with the lvm2 testsuite.\nThe list corruption is caused by the fact that the postsuspend and resume\nmethods were not paired correctly; there were two consecutive calls to the\norigin_postsuspend function. The second call attempts to remove the\n\"hash_list\" entry from a list, while it was already removed by the first\ncall.\n\nFix __dm_internal_resume so that it calls the preresume and resume\nmethods of the table\u0027s targets.\n\nIf a preresume method of some target fails, we are in a tricky situation.\nWe can\u0027t return an error because dm_internal_resume isn\u0027t supposed to\nreturn errors. We can\u0027t return success, because then the \"resume\" and\n\"postsuspend\" methods would not be paired correctly. So, we set the\nDMF_SUSPENDED flag and we fake normal suspend - it may confuse userspace\ntools, but it won\u0027t cause a kernel crash.\n\n------------[ cut here ]------------\nkernel BUG at lib/list_debug.c:56!\ninvalid opcode: 0000 [#1] PREEMPT SMP\nCPU: 1 PID: 8343 Comm: dmsetup Not tainted 6.8.0-rc6 #4\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-2 04/01/2014\nRIP: 0010:__list_del_entry_valid_or_report+0x77/0xc0\n\u003csnip\u003e\nRSP: 0018:ffff8881b831bcc0 EFLAGS: 00010282\nRAX: 000000000000004e RBX: ffff888143b6eb80 RCX: 0000000000000000\nRDX: 0000000000000001 RSI: ffffffff819053d0 RDI: 00000000ffffffff\nRBP: ffff8881b83a3400 R08: 00000000fffeffff R09: 0000000000000058\nR10: 0000000000000000 R11: ffffffff81a24080 R12: 0000000000000001\nR13: ffff88814538e000 R14: ffff888143bc6dc0 R15: ffffffffa02e4bb0\nFS:  00000000f7c0f780(0000) GS:ffff8893f0a40000(0000) knlGS:0000000000000000\nCS:  0010 DS: 002b ES: 002b CR0: 0000000080050033\nCR2: 0000000057fb5000 CR3: 0000000143474000 CR4: 00000000000006b0\nCall Trace:\n \u003cTASK\u003e\n ? die+0x2d/0x80\n ? do_trap+0xeb/0xf0\n ? __list_del_entry_valid_or_report+0x77/0xc0\n ? do_error_trap+0x60/0x80\n ? __list_del_entry_valid_or_report+0x77/0xc0\n ? exc_invalid_op+0x49/0x60\n ? __list_del_entry_valid_or_report+0x77/0xc0\n ? asm_exc_invalid_op+0x16/0x20\n ? table_deps+0x1b0/0x1b0 [dm_mod]\n ? __list_del_entry_valid_or_report+0x77/0xc0\n origin_postsuspend+0x1a/0x50 [dm_snapshot]\n dm_table_postsuspend_targets+0x34/0x50 [dm_mod]\n dm_suspend+0xd8/0xf0 [dm_mod]\n dev_suspend+0x1f2/0x2f0 [dm_mod]\n ? table_deps+0x1b0/0x1b0 [dm_mod]\n ctl_ioctl+0x300/0x5f0 [dm_mod]\n dm_compat_ctl_ioctl+0x7/0x10 [dm_mod]\n __x64_compat_sys_ioctl+0x104/0x170\n do_syscall_64+0x184/0x1b0\n entry_SYSCALL_64_after_hwframe+0x46/0x4e\nRIP: 0033:0xf7e6aead\n\u003csnip\u003e\n---[ end trace 0000000000000000 ]---"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:L - The vulnerability is reached only through the device-mapper control device `/dev/mapper/control` via `DM_DEV_SUSPEND`/`DM_DEV_RESUME` ioctls (`ctl_ioctl` \u2192 `dev_suspend` \u2192 `pool_presuspend`/`pool_resume` \u2192 `dm_internal_suspend_noflush`/`dm_internal_resume`). There is no network or remote-peer input involved.\nAC:L - The attacker fully controls the entire trigger sequence with plain dmsetup ioctls \u2014 create a thin pool and a thin device whose table also carries a snapshot-origin (or cache/raid) segment, suspend and resume the pool, then suspend or remove the thin device. No race must be won and no unpredictable memory layout is required; the double `list_del()` / unbalanced `down_write()` is deterministic.\nPR:L - The dm ioctl path is administrative, but in the deployments where this matters (container runtimes using the devicemapper/thin storage driver, CSI storage plugins, privileged containers granted CAP_SYS_ADMIN, and appliances where LVM operations are delegated), the actor triggering it is a low-privileged tenant relative to the host kernel, consistent with how other device-mapper flaws in this subsystem are rated.\nUI:N - The attacker performs every step itself \u2014 table load, pool suspend/resume, device suspend/remove \u2014 through its own ioctl calls. No action by any other user or administrator is needed.\nS:U - The corruption and the resulting crash/hang are confined to the kernel\u0027s own security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - The unbalanced postsuspend/resume corrupts kernel state \u2014 a global linked list (`_dm_origins`) is operated on with stale/poisoned entries, and targets keep serving I/O with desynchronized mapping metadata (dm-cache migration state, dm-integrity journal/commit sequence, dm-snapshot origin registration), which is memory/state corruption that can be steered toward exposing kernel or foreign-volume data.\nI:H - This is a kernel list-corruption bug (double `list_del()` on `dm_origin-\u003ehash_list`), and the missing `.resume`/`.preresume` calls leave targets running with committed-but-not-reinitialized on-disk state \u2014 dm-integrity\u0027s journal is re-initialized and its autocommit timer deleted while writes continue, and dm-cache/dm-raid mapping state is left stale, permitting silent corruption of data stored on the mapped device.\nA:H - The reported failure is `kernel BUG at lib/list_debug.c:56` (invalid opcode oops) in `origin_postsuspend` reached from `dm_suspend`, taken while `_origins_lock` is write-held, so the box either panics or permanently wedges all further dm/snapshot operations. Equivalent unbalanced paths in dm-cache (`prevent_background_work` \u2192 unmatched `down_write`) and dm-raid1 (`dm_rh_stop_recovery`) produce unkillable hangs holding `md-\u003esuspend_lock`."
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        "dateUpdated": "2026-08-05T11:28:05.183Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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        {
          "url": "https://git.kernel.org/stable/c/65e8fbde64520001abf1c8d0e573561b4746ef38"
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      ],
      "title": "dm: call the resume method on internal suspend",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2024-26880",
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    "dateReserved": "2024-02-19T14:20:24.185Z",
    "dateUpdated": "2026-08-05T11:28:05.183Z",
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: restore set elements when delete set fails\n\nFrom abort path, nft_mapelem_activate() needs to restore refcounters to\nthe original state. Currently, it uses the set-\u003eops-\u003ewalk() to iterate\nover these set elements. The existing set iterator skips inactive\nelements in the next generation, this does not work from the abort path\nto restore the original state since it has to skip active elements\ninstead (not inactive ones).\n\nThis patch moves the check for inactive elements to the set iterator\ncallback, then it reverses the logic for the .activate case which\nneeds to skip active elements.\n\nToggle next generation bit for elements when delete set command is\ninvoked and call nft_clear() from .activate (abort) path to restore the\nnext generation bit.\n\nThe splat below shows an object in mappings memleak:\n\n[43929.457523] ------------[ cut here ]------------\n[43929.457532] WARNING: CPU: 0 PID: 1139 at include/net/netfilter/nf_tables.h:1237 nft_setelem_data_deactivate+0xe4/0xf0 [nf_tables]\n[...]\n[43929.458014] RIP: 0010:nft_setelem_data_deactivate+0xe4/0xf0 [nf_tables]\n[43929.458076] Code: 83 f8 01 77 ab 49 8d 7c 24 08 e8 37 5e d0 de 49 8b 6c 24 08 48 8d 7d 50 e8 e9 5c d0 de 8b 45 50 8d 50 ff 89 55 50 85 c0 75 86 \u003c0f\u003e 0b eb 82 0f 0b eb b3 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90\n[43929.458081] RSP: 0018:ffff888140f9f4b0 EFLAGS: 00010246\n[43929.458086] RAX: 0000000000000000 RBX: ffff8881434f5288 RCX: dffffc0000000000\n[43929.458090] RDX: 00000000ffffffff RSI: ffffffffa26d28a7 RDI: ffff88810ecc9550\n[43929.458093] RBP: ffff88810ecc9500 R08: 0000000000000001 R09: ffffed10281f3e8f\n[43929.458096] R10: 0000000000000003 R11: ffff0000ffff0000 R12: ffff8881434f52a0\n[43929.458100] R13: ffff888140f9f5f4 R14: ffff888151c7a800 R15: 0000000000000002\n[43929.458103] FS:  00007f0c687c4740(0000) GS:ffff888390800000(0000) knlGS:0000000000000000\n[43929.458107] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[43929.458111] CR2: 00007f58dbe5b008 CR3: 0000000123602005 CR4: 00000000001706f0\n[43929.458114] Call Trace:\n[43929.458118]  \u003cTASK\u003e\n[43929.458121]  ? __warn+0x9f/0x1a0\n[43929.458127]  ? nft_setelem_data_deactivate+0xe4/0xf0 [nf_tables]\n[43929.458188]  ? report_bug+0x1b1/0x1e0\n[43929.458196]  ? handle_bug+0x3c/0x70\n[43929.458200]  ? exc_invalid_op+0x17/0x40\n[43929.458211]  ? nft_setelem_data_deactivate+0xd7/0xf0 [nf_tables]\n[43929.458271]  ? nft_setelem_data_deactivate+0xe4/0xf0 [nf_tables]\n[43929.458332]  nft_mapelem_deactivate+0x24/0x30 [nf_tables]\n[43929.458392]  nft_rhash_walk+0xdd/0x180 [nf_tables]\n[43929.458453]  ? __pfx_nft_rhash_walk+0x10/0x10 [nf_tables]\n[43929.458512]  ? rb_insert_color+0x2e/0x280\n[43929.458520]  nft_map_deactivate+0xdc/0x1e0 [nf_tables]\n[43929.458582]  ? __pfx_nft_map_deactivate+0x10/0x10 [nf_tables]\n[43929.458642]  ? __pfx_nft_mapelem_deactivate+0x10/0x10 [nf_tables]\n[43929.458701]  ? __rcu_read_unlock+0x46/0x70\n[43929.458709]  nft_delset+0xff/0x110 [nf_tables]\n[43929.458769]  nft_flush_table+0x16f/0x460 [nf_tables]\n[43929.458830]  nf_tables_deltable+0x501/0x580 [nf_tables]"
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: Fix use-after-free bugs caused by sco_sock_timeout\n\nWhen the sco connection is established and then, the sco socket\nis releasing, timeout_work will be scheduled to judge whether\nthe sco disconnection is timeout. The sock will be deallocated\nlater, but it is dereferenced again in sco_sock_timeout. As a\nresult, the use-after-free bugs will happen. The root cause is\nshown below:\n\n    Cleanup Thread               |      Worker Thread\nsco_sock_release                 |\n  sco_sock_close                 |\n    __sco_sock_close             |\n      sco_sock_set_timer         |\n        schedule_delayed_work    |\n  sco_sock_kill                  |    (wait a time)\n    sock_put(sk) //FREE          |  sco_sock_timeout\n                                 |    sock_hold(sk) //USE\n\nThe KASAN report triggered by POC is shown below:\n\n[   95.890016] ==================================================================\n[   95.890496] BUG: KASAN: slab-use-after-free in sco_sock_timeout+0x5e/0x1c0\n[   95.890755] Write of size 4 at addr ffff88800c388080 by task kworker/0:0/7\n...\n[   95.890755] Workqueue: events sco_sock_timeout\n[   95.890755] Call Trace:\n[   95.890755]  \u003cTASK\u003e\n[   95.890755]  dump_stack_lvl+0x45/0x110\n[   95.890755]  print_address_description+0x78/0x390\n[   95.890755]  print_report+0x11b/0x250\n[   95.890755]  ? __virt_addr_valid+0xbe/0xf0\n[   95.890755]  ? sco_sock_timeout+0x5e/0x1c0\n[   95.890755]  kasan_report+0x139/0x170\n[   95.890755]  ? update_load_avg+0xe5/0x9f0\n[   95.890755]  ? sco_sock_timeout+0x5e/0x1c0\n[   95.890755]  kasan_check_range+0x2c3/0x2e0\n[   95.890755]  sco_sock_timeout+0x5e/0x1c0\n[   95.890755]  process_one_work+0x561/0xc50\n[   95.890755]  worker_thread+0xab2/0x13c0\n[   95.890755]  ? pr_cont_work+0x490/0x490\n[   95.890755]  kthread+0x279/0x300\n[   95.890755]  ? pr_cont_work+0x490/0x490\n[   95.890755]  ? kthread_blkcg+0xa0/0xa0\n[   95.890755]  ret_from_fork+0x34/0x60\n[   95.890755]  ? kthread_blkcg+0xa0/0xa0\n[   95.890755]  ret_from_fork_asm+0x11/0x20\n[   95.890755]  \u003c/TASK\u003e\n[   95.890755]\n[   95.890755] Allocated by task 506:\n[   95.890755]  kasan_save_track+0x3f/0x70\n[   95.890755]  __kasan_kmalloc+0x86/0x90\n[   95.890755]  __kmalloc+0x17f/0x360\n[   95.890755]  sk_prot_alloc+0xe1/0x1a0\n[   95.890755]  sk_alloc+0x31/0x4e0\n[   95.890755]  bt_sock_alloc+0x2b/0x2a0\n[   95.890755]  sco_sock_create+0xad/0x320\n[   95.890755]  bt_sock_create+0x145/0x320\n[   95.890755]  __sock_create+0x2e1/0x650\n[   95.890755]  __sys_socket+0xd0/0x280\n[   95.890755]  __x64_sys_socket+0x75/0x80\n[   95.890755]  do_syscall_64+0xc4/0x1b0\n[   95.890755]  entry_SYSCALL_64_after_hwframe+0x67/0x6f\n[   95.890755]\n[   95.890755] Freed by task 506:\n[   95.890755]  kasan_save_track+0x3f/0x70\n[   95.890755]  kasan_save_free_info+0x40/0x50\n[   95.890755]  poison_slab_object+0x118/0x180\n[   95.890755]  __kasan_slab_free+0x12/0x30\n[   95.890755]  kfree+0xb2/0x240\n[   95.890755]  __sk_destruct+0x317/0x410\n[   95.890755]  sco_sock_release+0x232/0x280\n[   95.890755]  sock_close+0xb2/0x210\n[   95.890755]  __fput+0x37f/0x770\n[   95.890755]  task_work_run+0x1ae/0x210\n[   95.890755]  get_signal+0xe17/0xf70\n[   95.890755]  arch_do_signal_or_restart+0x3f/0x520\n[   95.890755]  syscall_exit_to_user_mode+0x55/0x120\n[   95.890755]  do_syscall_64+0xd1/0x1b0\n[   95.890755]  entry_SYSCALL_64_after_hwframe+0x67/0x6f\n[   95.890755]\n[   95.890755] The buggy address belongs to the object at ffff88800c388000\n[   95.890755]  which belongs to the cache kmalloc-1k of size 1024\n[   95.890755] The buggy address is located 128 bytes inside of\n[   95.890755]  freed 1024-byte region [ffff88800c388000, ffff88800c388400)\n[   95.890755]\n[   95.890755] The buggy address belongs to the physical page:\n[   95.890755] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88800c38a800 pfn:0xc388\n[   95.890755] head: order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0\n[   95.890755] ano\n---truncated---"
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipvlan: Dont Use skb-\u003esk in ipvlan_process_v{4,6}_outbound\n\nRaw packet from PF_PACKET socket ontop of an IPv6-backed ipvlan device will\nhit WARN_ON_ONCE() in sk_mc_loop() through sch_direct_xmit() path.\n\nWARNING: CPU: 2 PID: 0 at net/core/sock.c:775 sk_mc_loop+0x2d/0x70\nModules linked in: sch_netem ipvlan rfkill cirrus drm_shmem_helper sg drm_kms_helper\nCPU: 2 PID: 0 Comm: swapper/2 Kdump: loaded Not tainted 6.9.0+ #279\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014\nRIP: 0010:sk_mc_loop+0x2d/0x70\nCode: fa 0f 1f 44 00 00 65 0f b7 15 f7 96 a3 4f 31 c0 66 85 d2 75 26 48 85 ff 74 1c\nRSP: 0018:ffffa9584015cd78 EFLAGS: 00010212\nRAX: 0000000000000011 RBX: ffff91e585793e00 RCX: 0000000002c6a001\nRDX: 0000000000000000 RSI: 0000000000000040 RDI: ffff91e589c0f000\nRBP: ffff91e5855bd100 R08: 0000000000000000 R09: 3d00545216f43d00\nR10: ffff91e584fdcc50 R11: 00000060dd8616f4 R12: ffff91e58132d000\nR13: ffff91e584fdcc68 R14: ffff91e5869ce800 R15: ffff91e589c0f000\nFS:  0000000000000000(0000) GS:ffff91e898100000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007f788f7c44c0 CR3: 0000000008e1a000 CR4: 00000000000006f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n\u003cIRQ\u003e\n ? __warn (kernel/panic.c:693)\n ? sk_mc_loop (net/core/sock.c:760)\n ? report_bug (lib/bug.c:201 lib/bug.c:219)\n ? handle_bug (arch/x86/kernel/traps.c:239)\n ? exc_invalid_op (arch/x86/kernel/traps.c:260 (discriminator 1))\n ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)\n ? sk_mc_loop (net/core/sock.c:760)\n ip6_finish_output2 (net/ipv6/ip6_output.c:83 (discriminator 1))\n ? nf_hook_slow (net/netfilter/core.c:626)\n ip6_finish_output (net/ipv6/ip6_output.c:222)\n ? __pfx_ip6_finish_output (net/ipv6/ip6_output.c:215)\n ipvlan_xmit_mode_l3 (drivers/net/ipvlan/ipvlan_core.c:602) ipvlan\n ipvlan_start_xmit (drivers/net/ipvlan/ipvlan_main.c:226) ipvlan\n dev_hard_start_xmit (net/core/dev.c:3594)\n sch_direct_xmit (net/sched/sch_generic.c:343)\n __qdisc_run (net/sched/sch_generic.c:416)\n net_tx_action (net/core/dev.c:5286)\n handle_softirqs (kernel/softirq.c:555)\n __irq_exit_rcu (kernel/softirq.c:589)\n sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043)\n\nThe warning triggers as this:\npacket_sendmsg\n   packet_snd //skb-\u003esk is packet sk\n      __dev_queue_xmit\n         __dev_xmit_skb //q-\u003eenqueue is not NULL\n             __qdisc_run\n               sch_direct_xmit\n                 dev_hard_start_xmit\n                   ipvlan_start_xmit\n                      ipvlan_xmit_mode_l3 //l3 mode\n                        ipvlan_process_outbound //vepa flag\n                          ipvlan_process_v6_outbound\n                            ip6_local_out\n                                __ip6_finish_output\n                                  ip6_finish_output2 //multicast packet\n                                    sk_mc_loop //sk-\u003esk_family is AF_PACKET\n\nCall ip{6}_local_out() with NULL sk in ipvlan as other tunnels to fix this."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T20:10:52.354Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/0049a623dfbbb49888de7f0c2f33a582b5ead989"
        },
        {
          "url": "https://git.kernel.org/stable/c/54768bacfde60e8e4757968d79f8726711dd2cf5"
        },
        {
          "url": "https://git.kernel.org/stable/c/1abbf079da59ef559d0ab4219d2a0302f7970761"
        },
        {
          "url": "https://git.kernel.org/stable/c/183c4b416454b9983dc1b8aa0022b748911adc48"
        },
        {
          "url": "https://git.kernel.org/stable/c/cb53706a3403ba67f4040b2a82d9cf79e11b1a48"
        },
        {
          "url": "https://git.kernel.org/stable/c/54213c09801e0bd2549ac42961093be36f65a7d0"
        },
        {
          "url": "https://git.kernel.org/stable/c/13c4543db34e0da5a7d2f550b6262d860f248381"
        },
        {
          "url": "https://git.kernel.org/stable/c/b3dc6e8003b500861fa307e9a3400c52e78e4d3a"
        }
      ],
      "title": "ipvlan: Dont Use skb-\u003esk in ipvlan_process_v{4,6}_outbound",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-33621",
    "datePublished": "2024-06-21T10:18:05.673Z",
    "dateReserved": "2024-06-21T10:13:16.298Z",
    "dateUpdated": "2026-05-12T11:51:54.925Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}