nvd-json-data-feeds/CVE-2022/CVE-2022-490xx/CVE-2022-49033.json

{
  "id": "CVE-2022-49033",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-10-21T20:15:13.943",
  "lastModified": "2024-10-23T15:12:34.673",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()\n\nSyzkaller reported BUG as follows:\n\n  BUG: sleeping function called from invalid context at\n       include/linux/sched/mm.h:274\n  Call Trace:\n   <TASK>\n   dump_stack_lvl+0xcd/0x134\n   __might_resched.cold+0x222/0x26b\n   kmem_cache_alloc+0x2e7/0x3c0\n   update_qgroup_limit_item+0xe1/0x390\n   btrfs_qgroup_inherit+0x147b/0x1ee0\n   create_subvol+0x4eb/0x1710\n   btrfs_mksubvol+0xfe5/0x13f0\n   __btrfs_ioctl_snap_create+0x2b0/0x430\n   btrfs_ioctl_snap_create_v2+0x25a/0x520\n   btrfs_ioctl+0x2a1c/0x5ce0\n   __x64_sys_ioctl+0x193/0x200\n   do_syscall_64+0x35/0x80\n\nFix this by calling qgroup_dirty() on @dstqgroup, and update limit item in\nbtrfs_run_qgroups() later outside of the spinlock context."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: btrfs: qgroup: correcci\u00f3n del error de suspensi\u00f3n desde un contexto no v\u00e1lido en btrfs_qgroup_inherit() Syzkaller inform\u00f3 de un ERROR como el siguiente: ERROR: funci\u00f3n de suspensi\u00f3n llamada desde un contexto no v\u00e1lido en include/linux/sched/mm.h:274 Seguimiento de llamadas:  dump_stack_lvl+0xcd/0x134 __might_resched.cold+0x222/0x26b kmem_cache_alloc+0x2e7/0x3c0 update_qgroup_limit_item+0xe1/0x390 btrfs_qgroup_inherit+0x147b/0x1ee0 create_subvol+0x4eb/0x1710 btrfs_mksubvol+0xfe5/0x13f0 __btrfs_ioctl_snap_create+0x2b0/0x430 btrfs_ioctl_snap_create_v2+0x25a/0x520 btrfs_ioctl+0x2a1c/0x5ce0 __x64_sys_ioctl+0x193/0x200 do_syscall_64+0x35/0x80 Solucione esto llamando a qgroup_dirty() en @dstqgroup y actualice el elemento de l\u00edmite en btrfs_run_qgroups() m\u00e1s tarde fuera del contexto de spinlock."
    }
  ],
  "metrics": {},
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/01d7c41eac9129fba80d8aed0060caab4a7dbe09",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/044da1a371a0da579e805e89c96865f62d8f6f69",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/3c98e91be6aea4c7acf09da6eb0c107ea9186bb5",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/588ae4fdd8b11788a797776b10d6c44ae12bc133",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/89840b12c8fad7200eb6478525c13261512c01be",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/8eb912af525042a7365295eb62f6d5270c2a6462",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/f4b930a1602b05e77fee31f9616599b25e910a86",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/f7e942b5bb35d8e3af54053d19a6bf04143a3955",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ]
}