CVE-2026-90148 PUBLISHED

NFSv4: Fix incorrect argument passed to nfs4_delete_lease() in nfs4_add_lease()

Assigner: Linux
Reserved: 11.09.2026 Published: 17.09.2026 Updated: 17.09.2026

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

NFSv4: Fix incorrect argument passed to nfs4_delete_lease() in nfs4_add_lease()

When nfs4_add_lease() races with a delegation return, it calls nfs4_delete_lease() to clean up. Previously, it passed priv, which can legitimately be NULL. Passing a NULL priv eventually leads to a NULL pointer dereference in generic_setlease().

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from e93a5e9306a576011f03011b492d4fbaa274477b to ff7244faa13b23e9acfad9df0438f0b44b338f62 (excl.)
  • affected from e93a5e9306a576011f03011b492d4fbaa274477b to d148a652d52fd6aee96daf798922eb800ebb3018 (excl.)
  • affected from e93a5e9306a576011f03011b492d4fbaa274477b to d179ff22cd8514f966966fd9ad425dcbb98e1ada (excl.)
  • affected from e93a5e9306a576011f03011b492d4fbaa274477b to 468e458ffde907ba19acd2102ca1fbb8f6fbede2 (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 5.14 is affected
  • unaffected from 0 to 5.14 (excl.)
  • unaffected from 6.12.110 to 6.12.* (incl.)
  • unaffected from 6.18.52 to 6.18.* (incl.)
  • unaffected from 7.2.6 to 7.2.* (incl.)
  • unaffected from 7.3-rc1 to * (incl.)

References