CVE-2024-39469 Affecting kernel-uek-doc package, versions <0:4.14.35-2047.541.4.1.el7uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (15th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELUEKDOC-7942007
  • published13 Sept 2024
  • disclosed25 Jun 2024

Introduced: 25 Jun 2024

CVE-2024-39469  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-uek-doc to version 0:4.14.35-2047.541.4.1.el7uek or higher.
This issue was patched in ELSA-2024-12779.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek-doc package and not the kernel-uek-doc package as distributed by Oracle. See How to fix? for Oracle:7 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

nilfs2: fix nilfs_empty_dir() misjudgment and long loop on I/O errors

The error handling in nilfs_empty_dir() when a directory folio/page read fails is incorrect, as in the old ext2 implementation, and if the folio/page cannot be read or nilfs_check_folio() fails, it will falsely determine the directory as empty and corrupt the file system.

In addition, since nilfs_empty_dir() does not immediately return on a failed folio/page read, but continues to loop, this can cause a long loop with I/O if i_size of the directory's inode is also corrupted, causing the log writer thread to wait and hang, as reported by syzbot.

Fix these issues by making nilfs_empty_dir() immediately return a false value (0) if it fails to get a directory folio/page.

CVSS Scores

version 3.1