CVE-2024-53685

MediumCVSS 5.5/10Last modified Nov 5, 2026

Description

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

ceph: give up on paths longer than PATH_MAX

If the full path to be built by ceph_mdsc_build_path() happens to be longer than PATH_MAX, then this function will enter an endless (retry) loop, effectively blocking the whole task. Most of the machine becomes unusable, making this a very simple and effective DoS vulnerability.

I cannot imagine why this retry was ever implemented, but it seems rather useless and harmful to me. Let's remove it and fail with ENAMETOOLONG instead.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-835

Affected software

VendorProductVersions
LinuxLinux>= 9030aaf9bf0a1eee47a154c316c789e959638b0f, < 0f2b2d9e881c90402dbe28f9ba831775b7992e1f; >= 9030aaf9bf0a1eee47a154c316c789e959638b0f, < d42ad3f161a5a487f81915c406f46943c7187a0a; >= 9030aaf9bf0a1eee47a154c316c789e959638b0f, < e4b168c64da06954be5d520f6c16469b1cadc069; >= 9030aaf9bf0a1eee47a154c316c789e959638b0f, < c47ed91156daf328601d02b58d52d9804da54108; >= 9030aaf9bf0a1eee47a154c316c789e959638b0f, < 99a37ab76a315c8307eb5b0dc095d8ad9d8efeaa; >= 9030aaf9bf0a1eee47a154c316c789e959638b0f, < 550f7ca98ee028a606aa75705a7e77b1bd11720f
LinuxLinux2.6.34

References

Timeline

Published
Jan 11, 2025
Last modified
Nov 5, 2026
NVD status
Modified

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CVE-2024-53685: Medium severity, CVSS 5.5 | Vulnix