CVE-2025-39912

Summary

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

nfs/localio: restore creds before releasing pageio data

Otherwise if the nfsd filecache code releases the nfsd_file immediately, it can trigger the BUG_ON(cred == current->cred) in __put_cred() when it puts the nfsd_file->nf_file->f-cred.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxb9f5dd57f4a52990963eeb1f1b58d00f717ece69 < 57c1bb02b4fc8eec6eb01736e7fad26dffacf18caffected
LinuxLinuxb9f5dd57f4a52990963eeb1f1b58d00f717ece69 < c250be1d75bf80dc5ab46f0b434b746c1868a1eaaffected
LinuxLinuxb9f5dd57f4a52990963eeb1f1b58d00f717ece69 < 992203a1fba51b025c60ec0c8b0d9223343dea95affected
LinuxLinux6.12affected
LinuxLinux0 < 6.12unaffected
LinuxLinux6.12.48 <= 6.12.*unaffected
LinuxLinux6.16.8 <= 6.16.*unaffected
LinuxLinux6.17 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

References