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The vulnerability of the ext4_bmap_bit_set function in the lwext4 library allows a attacker to execute arbitrary code and cause a service failure.

🗓️ 12 Feb 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 5 Views

Ext4_bmap_bit_set flaw in lwext4 enables arbitrary code execution and service failure via block bitmap buffer overrun with crafted ext images.

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11 Mar 2026 00:00Current
6.3Medium risk
Vulners AI Score6.3
CVSS 24.9
CVSS 35.5
5