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BDU:2026-01737

Уязвимость функции ext4_bmap_bit_set библиотеки lwext4, позволяющая нарушителю выполнить произвольный код и вызвать отказ в обслуживании

Published: Feb 12, 2026Updated: Mar 11, 2026 Sources: BDU
NVD MITRE
5.5CVSS
MEDIUM

Уязвимость функции ext4_bmap_bit_set библиотеки lwext4, связанная с записью за пределы буфера block bitmap при обработке специально сформированного ext-образа. Эксплуатация уязвимости, может позволить нарушителю, действующему удаленно, выполнить произвольный код и 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-787Запись за границами буфера

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
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://github.com/Aladdin-R-D/lwext4/pull/2/changes/1a58d2275a40c8f2ea89ccce16c209244eee1422
github.com
https://github.com/gkostka/lwext4/issues/92
github.com
https://github.com/Aladdin-R-D/lwext4/pull/2
github.com
and 1 more references View all →

Timeline

Published
Feb 12, 2026
Last Updated
Mar 11, 2026

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