CVE-2025-68349

Summary

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

NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid

Fixes a crash when layout is null during this call stack:

write_inode -> nfs4_write_inode -> pnfs_layoutcommit_inode

pnfs_set_layoutcommit relies on the lseg refcount to keep the layout around. Need to clear NFS_INO_LAYOUTCOMMIT otherwise we might attempt to reference a null layout.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxfe1cf9469d7bcb6af27e42eb555a41b0135bce4a < 084bebe82ad86f718a3af84f34761863e63164edaffected
LinuxLinuxfe1cf9469d7bcb6af27e42eb555a41b0135bce4a < b6e4e3a08c03200cc4b8067ec8ab3172a989d6fcaffected
LinuxLinuxfe1cf9469d7bcb6af27e42eb555a41b0135bce4a < 104080582ae0aa6dce6c6d75ff89062efe84673baffected
LinuxLinuxfe1cf9469d7bcb6af27e42eb555a41b0135bce4a < f718f9ea6094843b8c059b073af49ad61e9f49bbaffected
LinuxLinuxfe1cf9469d7bcb6af27e42eb555a41b0135bce4a < 59947dff0fb7c19c09ce6dccbcd253fd542b6c25affected
LinuxLinuxfe1cf9469d7bcb6af27e42eb555a41b0135bce4a < ca2e7fdad7c683b64821c94a58b9b68733214dadaffected
LinuxLinuxfe1cf9469d7bcb6af27e42eb555a41b0135bce4a < 38694f9aae00459ab443a7dc8b3949a6b33b560aaffected
LinuxLinuxfe1cf9469d7bcb6af27e42eb555a41b0135bce4a < e0f8058f2cb56de0b7572f51cd563ca5debce746affected
LinuxLinux4.10affected
LinuxLinux0 < 4.10unaffected
LinuxLinux5.10.248 <= 5.10.*unaffected
LinuxLinux5.15.198 <= 5.15.*unaffected
LinuxLinux6.1.160 <= 6.1.*unaffected
LinuxLinux6.6.120 <= 6.6.*unaffected
LinuxLinux6.12.63 <= 6.12.*unaffected
LinuxLinux6.17.13 <= 6.17.*unaffected
LinuxLinux6.18.2 <= 6.18.*unaffected
LinuxLinux6.19 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

References