CVE-2021-47116

Published: Mar 15, 2024

Modified: May 23, 2026

PUBLISHED

Description

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.

Vendor	Product	Versions
Linux	Linux	affected `df61d3cff422433527d3bc388f69484f0781d226 - < 2050c6e5b161e5e25ce3c420fef58b24fa388a49` affected `f91436d55a279f045987e8b8c1385585dca54be9 - < 04fb2baa0b147f51db065a1b13a11954abe592d0` affected `f91436d55a279f045987e8b8c1385585dca54be9 - < a8867f4e3809050571c98de7a2d465aff5e4daf5` affected `9e7af67e9521fb5cbb5b01aca22921c313c2e48e` affected `5.10.27 - < 5.10.43` +1 more versions
Linux	Linux	affected `5.12` unaffected `0 - < 5.12` unaffected `5.10.43 - <= 5.10.` unaffected `5.12.10 - <= 5.12.` unaffected `5.13 - <= *`

References

https://git.kernel.org/stable/c/2050c6e5b161e5e25ce3c420fef58b24fa388a49

https://git.kernel.org/stable/c/04fb2baa0b147f51db065a1b13a11954abe592d0

https://git.kernel.org/stable/c/a8867f4e3809050571c98de7a2d465aff5e4daf5

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CVE-2021-47116

Description

Affected Products

References