# CVE-2022-48712: ext4: fix error handling in ext4\_fc\_record\_modified\_inode()

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-06-20 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.10

## Description

In the Linux kernel, the following vulnerability has been resolved: ext4: fix error handling in ext4_fc_record_modified_inode() Current code does not fully takes care of krealloc() error case, which could lead to silent memory corruption or a kernel bug. This patch fixes that. Also it cleans up some duplicated error handling logic from various functions in fast_commit.c file.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory per the references below.
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  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-48712

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/62e46e0ffc02daa8fcfc02f7a932cc8a19601b19
- https://git.kernel.org/stable/c/1b6762ecdf3cf12113772427c904aa3c420a1802
- https://git.kernel.org/stable/c/14aa3f49c7fc6424763f4323bfbc3a807b0727dc
- https://git.kernel.org/stable/c/cdce59a1549190b66f8e3fe465c2b2f714b98a94

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