CVE-2024-26774

Summary

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

ext4: avoid dividing by 0 in mb_update_avg_fragment_size() when block bitmap corrupt

Determine if bb_fragments is 0 instead of determining bb_free to eliminate the risk of dividing by zero when the block bitmap is corrupted.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux83e80a6e3543f37f74c8e48a5f305b054b65ce2a < 8b40eb2e716b503f7a4e1090815a17b1341b2150affected
LinuxLinux83e80a6e3543f37f74c8e48a5f305b054b65ce2a < f32d2a745b02123258026e105a008f474f896d6aaffected
LinuxLinux83e80a6e3543f37f74c8e48a5f305b054b65ce2a < 8cf9cc602cfb40085967c0d140e32691c8b71cf3affected
LinuxLinux83e80a6e3543f37f74c8e48a5f305b054b65ce2a < 993bf0f4c393b3667830918f9247438a8f6fdb5baffected
LinuxLinux398a0fdb38d9ab5e68023667cc5e6e3d109e2d6baffected
LinuxLinux5.19.12 < 5.20affected
LinuxLinux6.0affected
LinuxLinux0 < 6.0unaffected
LinuxLinux6.1.80 <= 6.1.*unaffected
LinuxLinux6.6.19 <= 6.6.*unaffected
LinuxLinux6.7.7 <= 6.7.*unaffected
LinuxLinux6.8 <= *unaffected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

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

References