CVE-2024-56750

Summary

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

erofs: fix blksize < PAGE_SIZE for file-backed mounts

Adjust sb->s_blocksize{,_bits} directly for file-backed mounts when the fs block size is smaller than PAGE_SIZE.

Previously, EROFS used sb_set_blocksize(), which caused a panic if bdev-backed mounts is not used.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxfb176750266a3d7f42ebdcf28e8ba40350b27847 < 679d8537e5748241c71ac97a6b6dc919eae31716affected
LinuxLinuxfb176750266a3d7f42ebdcf28e8ba40350b27847 < bae0854160939a64a092516ff1b2f221402b843baffected
LinuxLinux6.12affected
LinuxLinux0 < 6.12unaffected
LinuxLinux6.12.2 <= 6.12.*unaffected
LinuxLinux6.13 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

References