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CVE-2024-53066

9.8 · CRITICAL

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…

Published Nov 19, 2024CWE-908EPSS 0.66%

Overview

CVE-2024-53066 is a critical-severity vulnerability. It was published on November 19, 2024 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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/0x77

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/25ffd294fef81a7f3cd9528adf21560c04d98747Refgit.kernel.org/stable/c/8fc5ea9231af9122d227c9c13f5e578fca48d2e3Refgit.kernel.org/stable/c/9b453e8b108a5a93a6e348cf2ba4c9c138314a00Refgit.kernel.org/stable/c/9be0a21ae52b3b822d0eec4d14e909ab394f8a92Refgit.kernel.org/stable/c/bbfcd261cc068fe1cd02a4e871275074a0daa4e2Refgit.kernel.org/stable/c/dc270d7159699ad6d11decadfce9633f0f71c1dbRefgit.kernel.org/stable/c/f6b2b2b981af8e7d7c62d34143acefa4e1edfe8bRefgit.kernel.org/stable/c/f749cb60a01f8391c760a1d6ecd938cadacf9549Reflists.debian.org/debian-lts-announce/2025/01/msg00001.htmlReflists.debian.org/debian-lts-announce/2025/03/msg00002.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-53066?

CVE-2024-53066 is a critical-severity vulnerability. It was published on November 19, 2024 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2024-53066?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2024-53066?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-53066?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-53066 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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