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BDU:2025-15479

Уязвимость функции ext4_ext_binsearch_idx 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_ext_binsearch_idx библиотеки lwext4, связанная с чтением за пределами массива при обработке повреждённых метаданных extent-дерева, при разборе специально сформированного ext4-образа. 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-369Деление на ноль

Affected Products

lwext4
Сообщество свободного программного обеспечения

Exploitability

Official Patch Available

References

https://github.com/Aladdin-R-D/lwext4/pull/1/changes/1181cc7ba7a91f2339ba58119d3013eba11e9802
github.com
https://github.com/gkostka/lwext4/issues/91
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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