CVE-2024-43832

Summary

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

s390/uv: Don't call folio_wait_writeback() without a folio reference

folio_wait_writeback() requires that no spinlocks are held and that a folio reference is held, as documented. After we dropped the PTL, the folio could get freed concurrently. So grab a temporary reference.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux214d9bbcd3a67230b932f6cea83c078ab34d9e70 < 1a1eb2f3fc453dcd52726d13e863938561489cb7affected
LinuxLinux214d9bbcd3a67230b932f6cea83c078ab34d9e70 < 8736604ef53359a718c246087cd21dcec232d2fbaffected
LinuxLinux214d9bbcd3a67230b932f6cea83c078ab34d9e70 < b21aba72aadd94bdac275deab021fc84d6c72b16affected
LinuxLinux214d9bbcd3a67230b932f6cea83c078ab34d9e70 < 3f29f6537f54d74e64bac0a390fb2e26da25800daffected
LinuxLinux5.7affected
LinuxLinux0 < 5.7unaffected
LinuxLinux6.1.103 <= 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