CVE-2026-90148

Summary

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().

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxe93a5e9306a576011f03011b492d4fbaa274477b < ff7244faa13b23e9acfad9df0438f0b44b338f62affected
LinuxLinuxe93a5e9306a576011f03011b492d4fbaa274477b < d148a652d52fd6aee96daf798922eb800ebb3018affected
LinuxLinuxe93a5e9306a576011f03011b492d4fbaa274477b < d179ff22cd8514f966966fd9ad425dcbb98e1adaaffected
LinuxLinuxe93a5e9306a576011f03011b492d4fbaa274477b < 468e458ffde907ba19acd2102ca1fbb8f6fbede2affected
LinuxLinux5.14affected
LinuxLinux0 < 5.14unaffected
LinuxLinux6.12.110 <= 6.12.*unaffected
LinuxLinux6.18.52 <= 6.18.*unaffected
LinuxLinux7.2.6 <= 7.2.*unaffected
LinuxLinux7.3-rc1 <= *unaffected

Weaknesses

References