CVE - CVE-2024-53066

CVE-ID
CVE-2024-53066	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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().
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/25ffd294fef81a7f3cd9528adf21560c04d98747 URL:https://git.kernel.org/stable/c/25ffd294fef81a7f3cd9528adf21560c04d98747 MISC:https://git.kernel.org/stable/c/8fc5ea9231af9122d227c9c13f5e578fca48d2e3 URL:https://git.kernel.org/stable/c/8fc5ea9231af9122d227c9c13f5e578fca48d2e3 MISC:https://git.kernel.org/stable/c/9b453e8b108a5a93a6e348cf2ba4c9c138314a00 URL:https://git.kernel.org/stable/c/9b453e8b108a5a93a6e348cf2ba4c9c138314a00 MISC:https://git.kernel.org/stable/c/9be0a21ae52b3b822d0eec4d14e909ab394f8a92 URL:https://git.kernel.org/stable/c/9be0a21ae52b3b822d0eec4d14e909ab394f8a92 MISC:https://git.kernel.org/stable/c/bbfcd261cc068fe1cd02a4e871275074a0daa4e2 URL:https://git.kernel.org/stable/c/bbfcd261cc068fe1cd02a4e871275074a0daa4e2 MISC:https://git.kernel.org/stable/c/dc270d7159699ad6d11decadfce9633f0f71c1db URL:https://git.kernel.org/stable/c/dc270d7159699ad6d11decadfce9633f0f71c1db MISC:https://git.kernel.org/stable/c/f6b2b2b981af8e7d7c62d34143acefa4e1edfe8b URL:https://git.kernel.org/stable/c/f6b2b2b981af8e7d7c62d34143acefa4e1edfe8b MISC:https://git.kernel.org/stable/c/f749cb60a01f8391c760a1d6ecd938cadacf9549 URL:https://git.kernel.org/stable/c/f749cb60a01f8391c760a1d6ecd938cadacf9549
Assigning CNA
kernel.org
Date Record Created
20241119	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20241119)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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