CVE-2024-53685None▾ SunlitIn 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…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Nov 5.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.2%
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.
Linux >= 9030aaf9bf0a1eee47a154c316c789e959638b0f < 0f2b2d9e881c90402dbe28f9ba831775b7992e1fLinux >= 9030aaf9bf0a1eee47a154c316c789e959638b0f < d42ad3f161a5a487f81915c406f46943c7187a0aLinux >= 9030aaf9bf0a1eee47a154c316c789e959638b0f < e4b168c64da06954be5d520f6c16469b1cadc069Linux >= 9030aaf9bf0a1eee47a154c316c789e959638b0f < c47ed91156daf328601d02b58d52d9804da54108Linux >= 9030aaf9bf0a1eee47a154c316c789e959638b0f < 99a37ab76a315c8307eb5b0dc095d8ad9d8efeaaLinux >= 9030aaf9bf0a1eee47a154c316c789e959638b0f < 550f7ca98ee028a606aa75705a7e77b1bd11720fLinux 2.6.34Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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