{
  "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-2022-50705",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-50705",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-12-24T10:55:20.020Z",
    "updatedAt": "2026-05-23T15:24:52.616Z",
    "importedAt": "2026-10-24T01:56:49.724Z",
    "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": "io_uring/rw: defer fsnotify calls to task context",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring/rw: defer fsnotify calls to task context\n\nWe can't call these off the kiocb completion as that might be off\nsoft/hard irq context. Defer the calls to when we process the\ntask_work for this request. That avoids valid complaints like:\n\nstack backtrace:\nCPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.0.0-rc6-syzkaller-00321-g105a36f3694e #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022\nCall Trace:\n <IRQ>\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106\n print_usage_bug kernel/locking/lockdep.c:3961 [inline]\n valid_state kernel/locking/lockdep.c:3973 [inline]\n mark_lock_irq kernel/locking/lockdep.c:4176 [inline]\n mark_lock.part.0.cold+0x18/0xd8 kernel/locking/lockdep.c:4632\n mark_lock kernel/locking/lockdep.c:4596 [inline]\n mark_usage kernel/locking/lockdep.c:4527 [inline]\n __lock_acquire+0x11d9/0x56d0 kernel/locking/lockdep.c:5007\n lock_acquire kernel/locking/lockdep.c:5666 [inline]\n lock_acquire+0x1ab/0x570 kernel/locking/lockdep.c:5631\n __fs_reclaim_acquire mm/page_alloc.c:4674 [inline]\n fs_reclaim_acquire+0x115/0x160 mm/page_alloc.c:4688\n might_alloc include/linux/sched/mm.h:271 [inline]\n slab_pre_alloc_hook mm/slab.h:700 [inline]\n slab_alloc mm/slab.c:3278 [inline]\n __kmem_cache_alloc_lru mm/slab.c:3471 [inline]\n kmem_cache_alloc+0x39/0x520 mm/slab.c:3491\n fanotify_alloc_fid_event fs/notify/fanotify/fanotify.c:580 [inline]\n fanotify_alloc_event fs/notify/fanotify/fanotify.c:813 [inline]\n fanotify_handle_event+0x1130/0x3f40 fs/notify/fanotify/fanotify.c:948\n send_to_group fs/notify/fsnotify.c:360 [inline]\n fsnotify+0xafb/0x1680 fs/notify/fsnotify.c:570\n __fsnotify_parent+0x62f/0xa60 fs/notify/fsnotify.c:230\n fsnotify_parent include/linux/fsnotify.h:77 [inline]\n fsnotify_file include/linux/fsnotify.h:99 [inline]\n fsnotify_access include/linux/fsnotify.h:309 [inline]\n __io_complete_rw_common+0x485/0x720 io_uring/rw.c:195\n io_complete_rw+0x1a/0x1f0 io_uring/rw.c:228\n iomap_dio_complete_work fs/iomap/direct-io.c:144 [inline]\n iomap_dio_bio_end_io+0x438/0x5e0 fs/iomap/direct-io.c:178\n bio_endio+0x5f9/0x780 block/bio.c:1564\n req_bio_endio block/blk-mq.c:695 [inline]\n blk_update_request+0x3fc/0x1300 block/blk-mq.c:825\n scsi_end_request+0x7a/0x9a0 drivers/scsi/scsi_lib.c:541\n scsi_io_completion+0x173/0x1f70 drivers/scsi/scsi_lib.c:971\n scsi_complete+0x122/0x3b0 drivers/scsi/scsi_lib.c:1438\n blk_complete_reqs+0xad/0xe0 block/blk-mq.c:1022\n __do_softirq+0x1d3/0x9c6 kernel/softirq.c:571\n invoke_softirq kernel/softirq.c:445 [inline]\n __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650\n irq_exit_rcu+0x5/0x20 kernel/softirq.c:662\n common_interrupt+0xa9/0xc0 arch/x86/kernel/irq.c:240",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "df1ec53252d5b5b26ea49e30438741c9a6d89857",
              "status": "affected",
              "versionType": "git",
              "lessThan": "89a410dbd0f159ddd308f19d6eb682fc753e4771"
            },
            {
              "version": "f63cf5192fe3418ad5ae1a4412eba5694b145f79",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2a853c206e553dd9c0a55c22858fd6a446d93e15"
            },
            {
              "version": "f63cf5192fe3418ad5ae1a4412eba5694b145f79",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b000145e9907809406d8164c3b2b8861d95aecd1"
            },
            {
              "version": "dfbe550c8235b7e98284db37eeeddfd3b4b19b00",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "b436d1e92662adecafff4c95baae6352289c2d80",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "5.15.54",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.15.90"
            },
            {
              "version": "5.16.19",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.17"
            },
            {
              "version": "5.17.2",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.18"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.18",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.18"
            },
            {
              "version": "5.15.90",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.0.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.0.*"
            },
            {
              "version": "6.1",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}