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CVE-2023-53285

7.1 · HIGH

In the Linux kernel, the following vulnerability has been resolved: ext4: add bounds checking in get_max_inline_xattr_value_size() Normally the extended attributes in the inode body would have be…

Published Sep 16, 2025EPSS 0.16%

Overview

CVE-2023-53285 is a high-severity vulnerability. It was published on September 16, 2025 and has a CVSS 3.1 base score of 7.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

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

ext4: add bounds checking in get_max_inline_xattr_value_size()

Normally the extended attributes in the inode body would have been

checked when the inode is first opened, but if someone is writing to

the block device while the file system is mounted, it's possible for

the inode table to get corrupted. Add bounds checking to avoid

reading beyond the end of allocated memory if this happens.

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/1d2caddbeeee56fbbc36b428c5b909c3ad88eb7fRefgit.kernel.org/stable/c/2220eaf90992c11d888fe771055d4de330385f01Refgit.kernel.org/stable/c/3d7b8fbcd2273e2b9f4c6de5ce2f4c0cd3cb1205Refgit.kernel.org/stable/c/4597554b4f7b29e7fd78aa449bab648f8da4ee2cRefgit.kernel.org/stable/c/486efbbc9445dca7890a1b86adbccb88b91284b0Refgit.kernel.org/stable/c/5a229d21b98d132673096710e8281ef522dab1d1Refgit.kernel.org/stable/c/88a06a94942c5c0a896e9da1113a6bb29e36cbefRefgit.kernel.org/stable/c/e780058bd75614b66882bc02620ddbd884171560Refgit.kernel.org/stable/c/f22b274429e88d3dc7e79d375b56ce4f2f59f0b4

How CyberStrike helps

Frequently asked questions

What is CVE-2023-53285?

CVE-2023-53285 is a high-severity vulnerability. It was published on September 16, 2025 and has a CVSS 3.1 base score of 7.1 (HIGH).

How severe is CVE-2023-53285?

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-53285?

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-2023-53285?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-53285 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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