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The vulnerability of the ext4_mb_init_backend() function in the fs/ext4/mballoc.c module of the Ext4 file system support module for Linux’s kernel allows a attacker to cause a service failure.
🗓️ 23 Jun 2025 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 15 Views
| Reporter | Title | Published | Views | Family All 19 |
|---|---|---|---|---|
 | CVE-2021-47116 | 15 Mar 202421:15 | – | attackerkb |
 | Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2022-002 (ALASKERNEL-5.10-2022-002) | 2 May 202200:00 | – | nessus |
| RHEL 6 : kernel (Unpatched Vulnerability) | 11 May 202400:00 | – | nessus |
| RHEL 7 : kernel (Unpatched Vulnerability) | 11 May 202400:00 | – | nessus |
| Linux Distros Unpatched Vulnerability : CVE-2021-47116 | 5 Mar 202500:00 | – | nessus |
 | Important: kernel | 28 Jan 202200:00 | – | amazon |
 | CVE-2021-47116 | 15 Mar 202422:27 | – | circl |
 | Linux kernel security vulnerabilities | 15 Mar 202400:00 | – | cnnvd |
 | CVE-2021-47116 | 15 Mar 202420:14 | – | cve |
 | CVE-2021-47116 ext4: fix memory leak in ext4_mb_init_backend on error path. | 15 Mar 202420:14 | – | cvelist |
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23 Jun 2025 00:00Current
6.6Medium risk
Vulners AI Score6.6
CVSS 24.6
CVSS 35.5
EPSS0.00234