[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-CVE-2022-49270":6},{"stargazers_count":4,"fetched_at":5},7,"2026-06-04T08:53:30.047Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":20,"aliases":21,"duplicate_of":9,"upstream":22,"downstream":23,"duplicates":40,"related":41,"reserved_at":9,"published_at":46,"modified_at":47,"state":48,"summary":49,"references_raw":58,"kevs":77,"epss":78,"epss_history":81,"metrics":354,"affected":362},"CVE-2022-49270","In the Linux kernel, the following vulnerability has been resolved:\n\ndm: fix use-after-free in dm_cleanup_zoned_dev()\n\ndm_cleanup_zoned_dev() uses queue, so it must be called\nbefore blk_cleanup_disk() starts its killing:\n\nblk_cleanup_disk->blk_cleanup_queue()->kobject_put()->blk_release_queue()->\n->...RCU...->blk_free_queue_rcu()->kmem_cache_free()\n\nOtherwise, RCU callback may be executed first and\ndm_cleanup_zoned_dev() will touch free'd memory:\n\n BUG: KASAN: use-after-free in dm_cleanup_zoned_dev+0x33/0xd0\n Read of size 8 at addr ffff88805ac6e430 by task dmsetup/681\n\n CPU: 4 PID: 681 Comm: dmsetup Not tainted 5.17.0-rc2+ #6\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-2 04/01/2014\n Call Trace:\n  \u003CTASK>\n  dump_stack_lvl+0x57/0x7d\n  print_address_description.constprop.0+0x1f/0x150\n  ? dm_cleanup_zoned_dev+0x33/0xd0\n  kasan_report.cold+0x7f/0x11b\n  ? dm_cleanup_zoned_dev+0x33/0xd0\n  dm_cleanup_zoned_dev+0x33/0xd0\n  __dm_destroy+0x26a/0x400\n  ? dm_blk_ioctl+0x230/0x230\n  ? up_write+0xd8/0x270\n  dev_remove+0x156/0x1d0\n  ctl_ioctl+0x269/0x530\n  ? table_clear+0x140/0x140\n  ? lock_release+0xb2/0x750\n  ? remove_all+0x40/0x40\n  ? rcu_read_lock_sched_held+0x12/0x70\n  ? lock_downgrade+0x3c0/0x3c0\n  ? rcu_read_lock_sched_held+0x12/0x70\n  dm_ctl_ioctl+0xa/0x10\n  __x64_sys_ioctl+0xb9/0xf0\n  do_syscall_64+0x3b/0x90\n  entry_SYSCALL_64_after_hwframe+0x44/0xae\n RIP: 0033:0x7fb6dfa95c27",null,[11],{"_key":12,"id":12,"name":13,"description":14,"type":15,"status":16,"abstraction":17,"likelihood_of_exploit":18,"capec":19},"CWE-416","Use After Free","The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. 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