CVE-2023-52682

Summary

In the Linux kernel, the following vulnerability has been resolved:

f2fs: fix to wait on block writeback for post_read case

If inode is compressed, but not encrypted, it missed to call f2fs_wait_on_block_writeback() to wait for GCed page writeback in IPU write path.

Thread A GC-Thread - f2fs_gc - do_garbage_collect - gc_data_segment - move_data_block - f2fs_submit_page_write migrate normal cluster's block via meta_inode's page cache

  • f2fs_write_single_data_page
  • f2fs_do_write_data_page
  • f2fs_inplace_write_data
  • f2fs_submit_page_bio

IRQ

  • f2fs_read_end_io IRQ old data overrides new data due to out-of-order GC and common IO. - f2fs_read_end_io

Affected Software

VendorProductVersion RangeStatus
LinuxLinux4c8ff7095bef64fc47e996a938f7d57f9e077da3 < 2bfe8fdb674f71747553a65f2ef27e14c8880655affected
LinuxLinux4c8ff7095bef64fc47e996a938f7d57f9e077da3 < 9bfd5ea71521d0e522ba581c6ccc5db93759c0c3affected
LinuxLinux4c8ff7095bef64fc47e996a938f7d57f9e077da3 < 4535be48780431753505e74e1b1ad4836a189bc2affected
LinuxLinux4c8ff7095bef64fc47e996a938f7d57f9e077da3 < f904c156d8011d8291ffd5b6b398f3747e294986affected
LinuxLinux4c8ff7095bef64fc47e996a938f7d57f9e077da3 < 55fdc1c24a1d6229fe0ecf31335fb9a2eceaaa00affected
LinuxLinux5.6affected
LinuxLinux0 < 5.6unaffected
LinuxLinux5.15.209 <= 5.15.*unaffected
LinuxLinux6.1.75 <= 6.1.*unaffected
LinuxLinux6.6.14 <= 6.6.*unaffected
LinuxLinux6.7.2 <= 6.7.*unaffected
LinuxLinux6.8 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References