CVE-2024-56630: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: ocfs2: free inode when ocfs2_get_init_inode() fails syzbot is reporting busy inodes after unmount, for commit 9c89fe0af826 ("ocfs2: Handle error from dquot_initialize()") forgot to call iput() when new_inode() succeeded and dquot_initialize() failed.

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CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-908 CWE-908

Affected Products

Vendor	Product	Versions
linux	linux_kernel	4.3 — 5.4.287
linux	linux_kernel	5.5 — 5.10.231
linux	linux_kernel	5.11 — 5.15.174
linux	linux_kernel	5.16 — 6.1.120
linux	linux_kernel	6.2 — 6.6.66
linux	linux_kernel	6.7 — 6.12.5
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/03db61c43c8e2729896fda6b9a95c7fb5c875c20 https://git.kernel.org/stable/c/67c2c6d0564ca05348ba4f8f6eaf7a0713f56c15 https://git.kernel.org/stable/c/911fcc95b530615b484e8920741fc5e4bc4e684a https://git.kernel.org/stable/c/965b5dd1894f4525f38c1b5f99b0106a07dbb5db https://git.kernel.org/stable/c/9c19ea59965ebb482e227532f7bbb01792fb028c https://git.kernel.org/stable/c/a84d507d3290aca249b44ae992af9e10590cc5f6 https://git.kernel.org/stable/c/c5327720a4655303ffa3f632d86ee205dd783f32

Other References

https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html

Frequently Asked Questions

What is CVE-2024-56630? +

In the Linux kernel, the following vulnerability has been resolved: ocfs2: free inode when ocfs2_get_init_inode() fails syzbot is reporting busy inodes after unmount, for commit 9c89fe0af826 ("ocfs2: Handle error from dquot_initialize()") forgot to call iput() when new_inode() succeeded and dquot_initialize() failed. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-56630? +

CVE-2024-56630 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-56630? +

CVE-2024-56630 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-56630? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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