Improper Check for Unusual or Exceptional Conditions Affecting kernel-debug package, versions *
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Test your applications- Snyk ID SNYK-RHEL7-KERNELDEBUG-7144762
- published 27 May 2024
- disclosed 22 May 2024
Introduced: 22 May 2024
CVE-2021-47433 Open this link in a new tabHow to fix?
There is no fixed version for RHEL:7 kernel-debug.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-debug package and not the kernel-debug package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
btrfs: fix abort logic in btrfs_replace_file_extents
Error injection testing uncovered a case where we'd end up with a corrupt file system with a missing extent in the middle of a file. This occurs because the if statement to decide if we should abort is wrong.
The only way we would abort in this case is if we got a ret != -EOPNOTSUPP and we called from the file clone code. However the prealloc code uses this path too. Instead we need to abort if there is an error, and the only error we don't abort on is -EOPNOTSUPP and only if we came from the clone file code.