CVE-2021-47116

In the Linux kernel, the following vulnerability has been resolved: ext4: fix memory leak in ext4_mb_init_backend on error path. Fix a memory leak discovered by syzbot when a file system is corrupted with an illegally large s_log_groups_per_flex.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/04fb2baa0b147f51db065a1b13a11954abe592d0	Patch
https://git.kernel.org/stable/c/2050c6e5b161e5e25ce3c420fef58b24fa388a49	Patch
https://git.kernel.org/stable/c/a8867f4e3809050571c98de7a2d465aff5e4daf5	Patch
https://git.kernel.org/stable/c/04fb2baa0b147f51db065a1b13a11954abe592d0	Patch
https://git.kernel.org/stable/c/2050c6e5b161e5e25ce3c420fef58b24fa388a49	Patch
https://git.kernel.org/stable/c/a8867f4e3809050571c98de7a2d465aff5e4daf5	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:5.13:rc1::::::
	cpe:2.3:o:linux:linux_kernel:5.13:rc2::::::
	cpe:2.3:o:linux:linux_kernel:5.13:rc3::::::
	cpe:2.3:o:linux:linux_kernel:5.13:rc4::::::

History

No history.

Information

Published : 2024-03-15 21:15

Updated : 2025-01-07 17:31

NVD link : CVE-2021-47116

Mitre link : CVE-2021-47116

CVE.ORG link : CVE-2021-47116

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

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