CVE-2024-42314

Summary

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

btrfs: fix extent map use-after-free when adding pages to compressed bio

At add_ra_bio_pages() we are accessing the extent map to calculate 'add_size' after we dropped our reference on the extent map, resulting in a use-after-free. Fix this by computing 'add_size' before dropping our extent map reference.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux6a4049102055250256623ab1875fabd89004bff8 < c1cc3326e27b0bd7a2806b40bc48e49afaf951e7affected
LinuxLinux6a4049102055250256623ab1875fabd89004bff8 < c205565e0f2f439f278a4a94ee97b67ef7b56ae8affected
LinuxLinux6a4049102055250256623ab1875fabd89004bff8 < b7859ff398b6b656e1689daa860eb34837b4bb89affected
LinuxLinux6a4049102055250256623ab1875fabd89004bff8 < 8e7860543a94784d744c7ce34b78a2e11beefa5caffected
LinuxLinux5.16affected
LinuxLinux0 < 5.16unaffected
LinuxLinux6.1.108 <= 6.1.*unaffected
LinuxLinux6.6.44 <= 6.6.*unaffected
LinuxLinux6.10.3 <= 6.10.*unaffected
LinuxLinux6.11 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

CVE Program Container

Additional References

References