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BDU:2025-15477

Уязвимость функции ext4_dir_en_get_name_len библиотеки lwext4, позволяющая нарушителю вызвать отказ в обслуживании

Published: Dec 10, 2025Updated: Mar 11, 2026 Sources: BDU
NVD MITRE
5.5CVSS
MEDIUM

Уязвимость функции ext4_dir_en_get_name_len библиотеки lwext4, связанная с разыменованием нулевого указателя при обработке повреждённых записей каталога EXT4. Эксплуатация уязвимости, может позволить нарушителю, действующему удаленно, вызвать отказ в обслуживании

EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

CVSS Vector Breakdown

AV:LAC:LC:NI:NA:H
Exploitability
AV:LAccess Vector
Local
AC:LAccess Complexity
Low
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
H

Weaknesses

CWE-476Разыменование указателя NULL

Affected Products

lwext4
Сообщество свободного программного обеспечения

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Impact
Initial Access
View detailed technique mapping

References

https://github.com/Aladdin-R-D/lwext4/pull/1/commits/1d32b2f1749548e3dd1e595976234ac40b005e4e
github.com
https://github.com/gkostka/lwext4/issues/89
github.com
https://github.com/Aladdin-R-D/lwext4/pull/1
github.com
and 1 more references View all →

Timeline

Published
Dec 10, 2025
Last Updated
Mar 11, 2026

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