In the Linux kernel, the following vulnerability has been resolved:
nfs: Fix KMSAN warning in decode_getfattr_attrs()
Fix the following KMSAN warning:
CPU: 1 UID: 0 PID: 7651 Comm: cp Tainted: G B
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009)
=====================================================
=====================================================
BUG: KMSAN: uninit-value in decode_getfattr_attrs+0x2d6d/0x2f90
decode_getfattr_attrs+0x2d6d/0x2f90
decode_getfattr_generic+0x806/0xb00
nfs4_xdr_dec_getattr+0x1de/0x240
rpcauth_unwrap_resp_decode+0xab/0x100
rpcauth_unwrap_resp+0x95/0xc0
call_decode+0x4ff/0xb50
__rpc_execute+0x57b/0x19d0
rpc_execute+0x368/0x5e0
rpc_run_task+0xcfe/0xee0
nfs4_proc_getattr+0x5b5/0x990
__nfs_revalidate_inode+0x477/0xd00
nfs_access_get_cached+0x1021/0x1cc0
nfs_do_access+0x9f/0xae0
nfs_permission+0x1e4/0x8c0
inode_permission+0x356/0x6c0
link_path_walk+0x958/0x1330
path_lookupat+0xce/0x6b0
filename_lookup+0x23e/0x770
vfs_statx+0xe7/0x970
vfs_fstatat+0x1f2/0x2c0
__se_sys_newfstatat+0x67/0x880
__x64_sys_newfstatat+0xbd/0x120
x64_sys_call+0x1826/0x3cf0
do_syscall_64+0xd0/0x1b0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
The KMSAN warning is triggered in decode_getfattr_attrs(), when calling
decode_attr_mdsthreshold(). It appears that fattr->mdsthreshold is not
initialized.
Fix the issue by initializing fattr->mdsthreshold to NULL in
nfs_fattr_init().
            nfs: Fix KMSAN warning in decode_getfattr_attrs()
Fix the following KMSAN warning:
CPU: 1 UID: 0 PID: 7651 Comm: cp Tainted: G B
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009)
=====================================================
=====================================================
BUG: KMSAN: uninit-value in decode_getfattr_attrs+0x2d6d/0x2f90
decode_getfattr_attrs+0x2d6d/0x2f90
decode_getfattr_generic+0x806/0xb00
nfs4_xdr_dec_getattr+0x1de/0x240
rpcauth_unwrap_resp_decode+0xab/0x100
rpcauth_unwrap_resp+0x95/0xc0
call_decode+0x4ff/0xb50
__rpc_execute+0x57b/0x19d0
rpc_execute+0x368/0x5e0
rpc_run_task+0xcfe/0xee0
nfs4_proc_getattr+0x5b5/0x990
__nfs_revalidate_inode+0x477/0xd00
nfs_access_get_cached+0x1021/0x1cc0
nfs_do_access+0x9f/0xae0
nfs_permission+0x1e4/0x8c0
inode_permission+0x356/0x6c0
link_path_walk+0x958/0x1330
path_lookupat+0xce/0x6b0
filename_lookup+0x23e/0x770
vfs_statx+0xe7/0x970
vfs_fstatat+0x1f2/0x2c0
__se_sys_newfstatat+0x67/0x880
__x64_sys_newfstatat+0xbd/0x120
x64_sys_call+0x1826/0x3cf0
do_syscall_64+0xd0/0x1b0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
The KMSAN warning is triggered in decode_getfattr_attrs(), when calling
decode_attr_mdsthreshold(). It appears that fattr->mdsthreshold is not
initialized.
Fix the issue by initializing fattr->mdsthreshold to NULL in
nfs_fattr_init().
Metrics
Affected Vendors & Products
Advisories
    | Source | ID | Title | 
|---|---|---|
  Debian DLA | 
                DLA-4008-1 | linux-6.1 security update | 
  Debian DLA | 
                DLA-4075-1 | linux security update | 
  Debian DSA | 
                DSA-5818-1 | linux security update | 
  Ubuntu USN | 
                USN-7276-1 | Linux kernel vulnerabilities | 
  Ubuntu USN | 
                USN-7277-1 | Linux kernel vulnerabilities | 
  Ubuntu USN | 
                USN-7288-1 | Linux kernel vulnerabilities | 
  Ubuntu USN | 
                USN-7288-2 | Linux kernel vulnerabilities | 
  Ubuntu USN | 
                USN-7289-1 | Linux kernel vulnerabilities | 
  Ubuntu USN | 
                USN-7289-2 | Linux kernel vulnerabilities | 
  Ubuntu USN | 
                USN-7289-3 | Linux kernel vulnerabilities | 
  Ubuntu USN | 
                USN-7289-4 | Linux kernel vulnerabilities | 
  Ubuntu USN | 
                USN-7291-1 | Linux kernel vulnerabilities | 
  Ubuntu USN | 
                USN-7293-1 | Linux kernel vulnerabilities | 
  Ubuntu USN | 
                USN-7294-1 | Linux kernel vulnerabilities | 
  Ubuntu USN | 
                USN-7294-2 | Linux kernel vulnerabilities | 
  Ubuntu USN | 
                USN-7294-3 | Linux kernel vulnerabilities | 
  Ubuntu USN | 
                USN-7294-4 | Linux kernel vulnerabilities | 
  Ubuntu USN | 
                USN-7295-1 | Linux kernel vulnerabilities | 
  Ubuntu USN | 
                USN-7305-1 | Linux kernel vulnerabilities | 
  Ubuntu USN | 
                USN-7308-1 | Linux kernel vulnerabilities | 
  Ubuntu USN | 
                USN-7310-1 | Linux kernel vulnerabilities | 
  Ubuntu USN | 
                USN-7331-1 | Linux kernel vulnerabilities | 
  Ubuntu USN | 
                USN-7388-1 | Linux kernel vulnerabilities | 
  Ubuntu USN | 
                USN-7389-1 | Linux kernel (NVIDIA Tegra) vulnerabilities | 
  Ubuntu USN | 
                USN-7390-1 | Linux kernel (Xilinx ZynqMP) vulnerabilities | 
  Ubuntu USN | 
                USN-7393-1 | Linux kernel (FIPS) vulnerabilities | 
  Ubuntu USN | 
                USN-7401-1 | Linux kernel (AWS) vulnerabilities | 
  Ubuntu USN | 
                USN-7413-1 | Linux kernel (IoT) vulnerabilities | 
  Ubuntu USN | 
                USN-7449-1 | Linux kernel vulnerabilities | 
  Ubuntu USN | 
                USN-7449-2 | Linux kernel (HWE) vulnerabilities | 
  Ubuntu USN | 
                USN-7450-1 | Linux kernel vulnerabilities | 
  Ubuntu USN | 
                USN-7451-1 | Linux kernel vulnerabilities | 
  Ubuntu USN | 
                USN-7452-1 | Linux kernel vulnerabilities | 
  Ubuntu USN | 
                USN-7453-1 | Linux kernel (Real-time) vulnerabilities | 
  Ubuntu USN | 
                USN-7458-1 | Linux kernel (IBM) vulnerabilities | 
  Ubuntu USN | 
                USN-7468-1 | Linux kernel (Azure, N-Series) vulnerabilities | 
  Ubuntu USN | 
                USN-7496-1 | Linux kernel vulnerabilities | 
  Ubuntu USN | 
                USN-7496-2 | Linux kernel (FIPS) vulnerabilities | 
  Ubuntu USN | 
                USN-7496-3 | Linux kernel (Azure) vulnerabilities | 
  Ubuntu USN | 
                USN-7496-4 | Linux kernel (Azure) vulnerabilities | 
  Ubuntu USN | 
                USN-7496-5 | Linux kernel (Azure FIPS) vulnerabilities | 
  Ubuntu USN | 
                USN-7506-1 | Linux kernel vulnerabilities | 
  Ubuntu USN | 
                USN-7506-2 | Linux kernel (AWS) vulnerabilities | 
  Ubuntu USN | 
                USN-7506-3 | Linux kernel (FIPS) vulnerabilities | 
  Ubuntu USN | 
                USN-7506-4 | Linux kernel (Xenial HWE) vulnerabilities | 
  Ubuntu USN | 
                USN-7523-1 | Linux kernel (Raspberry Pi Real-time) vulnerabilities | 
  Ubuntu USN | 
                USN-7524-1 | Linux kernel (Raspberry Pi) vulnerabilities | 
  Ubuntu USN | 
                USN-7539-1 | Linux kernel (Raspberry Pi) vulnerabilities | 
  Ubuntu USN | 
                USN-7540-1 | Linux kernel (Raspberry Pi) vulnerabilities | 
Fixes
    Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
        History
                    Mon, 03 Nov 2025 23:30:00 +0000
| Type | Values Removed | Values Added | 
|---|---|---|
| References | 
         | 
Mon, 03 Nov 2025 21:30:00 +0000
| Type | Values Removed | Values Added | 
|---|---|---|
| References | 
         | 
Mon, 25 Nov 2024 21:30:00 +0000
| Type | Values Removed | Values Added | 
|---|---|---|
| First Time appeared | 
        
        Linux
         Linux linux Kernel  | 
|
| Weaknesses | CWE-908 | |
| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.12:rc4:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.12:rc5:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.12:rc6:*:*:*:*:*:*  | 
|
| Vendors & Products | 
        
        Linux
         Linux linux Kernel  | 
Fri, 22 Nov 2024 14:00:00 +0000
| Type | Values Removed | Values Added | 
|---|---|---|
| References | 
         | |
| Metrics | 
        
        
        threat_severity
         
  | 
    
        
        cvssV3_1
         
 
  | 
Tue, 19 Nov 2024 17:30:00 +0000
| Type | Values Removed | Values Added | 
|---|---|---|
| Description | In the Linux kernel, the following vulnerability has been resolved: nfs: Fix KMSAN warning in decode_getfattr_attrs() Fix the following KMSAN warning: CPU: 1 UID: 0 PID: 7651 Comm: cp Tainted: G B Tainted: [B]=BAD_PAGE Hardware name: QEMU Standard PC (Q35 + ICH9, 2009) ===================================================== ===================================================== BUG: KMSAN: uninit-value in decode_getfattr_attrs+0x2d6d/0x2f90 decode_getfattr_attrs+0x2d6d/0x2f90 decode_getfattr_generic+0x806/0xb00 nfs4_xdr_dec_getattr+0x1de/0x240 rpcauth_unwrap_resp_decode+0xab/0x100 rpcauth_unwrap_resp+0x95/0xc0 call_decode+0x4ff/0xb50 __rpc_execute+0x57b/0x19d0 rpc_execute+0x368/0x5e0 rpc_run_task+0xcfe/0xee0 nfs4_proc_getattr+0x5b5/0x990 __nfs_revalidate_inode+0x477/0xd00 nfs_access_get_cached+0x1021/0x1cc0 nfs_do_access+0x9f/0xae0 nfs_permission+0x1e4/0x8c0 inode_permission+0x356/0x6c0 link_path_walk+0x958/0x1330 path_lookupat+0xce/0x6b0 filename_lookup+0x23e/0x770 vfs_statx+0xe7/0x970 vfs_fstatat+0x1f2/0x2c0 __se_sys_newfstatat+0x67/0x880 __x64_sys_newfstatat+0xbd/0x120 x64_sys_call+0x1826/0x3cf0 do_syscall_64+0xd0/0x1b0 entry_SYSCALL_64_after_hwframe+0x77/0x7f The KMSAN warning is triggered in decode_getfattr_attrs(), when calling decode_attr_mdsthreshold(). It appears that fattr->mdsthreshold is not initialized. Fix the issue by initializing fattr->mdsthreshold to NULL in nfs_fattr_init(). | |
| Title | nfs: Fix KMSAN warning in decode_getfattr_attrs() | |
| References | 
         | 
        
  | 
Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2025-11-03T22:28:59.261Z
Reserved: 2024-11-19T17:17:24.975Z
Link: CVE-2024-53066
No data.
Status : Modified
Published: 2024-11-19T18:15:26.413
Modified: 2025-11-03T23:17:17.997
Link: CVE-2024-53066
                        OpenCVE Enrichment
                    No data.
 Debian DLA
 Debian DSA
 Ubuntu USN