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BDU:2026-01738

Уязвимость функции ext4_fs_init_inode_bitmap библиотеки lwext4, позволяющая нарушителю выполнить произвольный код и вызвать отказ в обслуживании

Published: Feb 12, 2026Updated: Mar 11, 2026 Sources: BDU
NVD MITRE
7.8CVSS
HIGH

Уязвимость функции ext4_fs_init_inode_bitmap библиотеки lwext4, связанная с переполнением буфера в куче (heap-buffer-overflow) при инициализации inode bitmap. 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:HI:HA:H
Exploitability
AV:LAccess Vector
Local
AC:LAccess Complexity
Low
Impact
C:HConfidentiality
H
I:HIntegrity
H
A:HAvailability
H

Weaknesses

CWE-787Запись за границами буфера

Affected Products

lwext4
Сообщество свободного программного обеспечения

Attack Graph

Products CVE Techniques Tactics

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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/2f5714d42f729fbdf3e65fd24d57149619fa1f33
github.com
https://github.com/gkostka/lwext4/issues/93
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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