9.8

CVE-2026-90104

NFSv4.1: zero referring call lists before decoding

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

NFSv4.1: zero referring call lists before decoding

decode_cb_sequence_args() allocates csa_rclists with kmalloc_objs(), so
each referring_call_list starts uninitialized. decode_rc_list() assigns
rcl_refcalls only when rcl_nrefcalls is nonzero. A valid list with zero
referring calls therefore leaves the pointer uninitialized, and
nfs4_callback_sequence() later passes stale slab contents to kfree().

Allocate csa_rclists with kzalloc_objs() so every rcl_refcalls member is
NULL from the beginning, including valid empty referring call lists.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version 4aece6a19cf7f474f15eb861ba74db4479884ce3
Version < f31f3c042e024aef437cda42f0424ae8d4594b6c
Status affected
Version 4aece6a19cf7f474f15eb861ba74db4479884ce3
Version < 8fa4804fe62ca4155a2d8fc2789d630376cbf2fc
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 2.6.31
Status affected
Version 0
Version < 2.6.31
Status unaffected
Version <= 7.2.*
Version 7.2.6
Status unaffected
Version <= *
Version 7.3-rc1
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.52% 0.429
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
416baaa9-dc9f-4396-8d5f-8c081fb06d67 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/f31f3c042e024aef437cda42f0424ae8d4594b6c
https://git.kernel.org/stable/c/8fa4804fe62ca4155a2d8fc2789d630376cbf2fc