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Vulnerability record · CVE-2023-53622 · published 7 October 2025

CVE-2023-53622: Linux kernel race condition vulnerability

Linux · Linux Kernel

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix possible data races in gfs2_show_options() Some fields such as gt_logd_secs of the struct gfs2_tune are accessed without holding the lock gt_spin in gfs2_show_options(): val = sdp->sd_tune.gt_logd_secs; if (val != 30) seq_printf(s, ",commit=%d", val); And thus can cause data races when gfs2_show_options() and other functions such as gfs2_reconfigure() are concurrently executed: spin_lock(&gt->gt_spin); gt->gt_logd_secs = newargs->ar_commit; To fix these possible data races, the lock sdp->sd_tune.gt_spin is acquired before accessing the fields of gfs2_tune and released after these accesses. Further changes by Andreas: - Don't hold the spin lock over the seq_printf operations.

7.0 CVSS 3.1 High EPSS 0.14% · top 96.9% CWE-362 · Race condition
7.0CVSS 3.1 base score
0.14%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix possible data races in gfs2_show_options() Some fields such as gt_logd_secs of the struct gfs2_tune are accessed without holding the lock gt_spin in gfs2_show_options(): val = sdp->sd_tune.gt_logd_secs; if (val != 30) seq_printf(s, ",commit=%d", val); And thus can cause data races when gfs2_show_options() and other functions such as gfs2_reconfigure() are concurrently executed: spin_lock(&gt->gt_spin); gt->gt_logd_secs = newargs->ar_commit; To fix these possible data races, the lock sdp->sd_tune.gt_spin is acquired before accessing the fields of gfs2_tune and released after these accesses. Further changes by Andreas: - Don't hold the spin lock over the seq_printf operations.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://git.kernel.org/stable/c/235a5ae73cea29109a3e06f100493f17857e6a93 Patch
https://git.kernel.org/stable/c/42077d4de49e4d9c773c97c42d5383b4899a8f9d Patch
https://git.kernel.org/stable/c/6fa0a72cbbe45db4ed967a51f9e6f4e3afe61d20 Patch
https://git.kernel.org/stable/c/7c5b2649f6a37d45bfb7abf34c9b71d08677139f Patch
https://git.kernel.org/stable/c/7e5bbeb7eb813bb2568e1d5d02587df943272e57 Patch
https://git.kernel.org/stable/c/85e888150075cb221270b64bf772341fc6bd11d9 Patch
https://git.kernel.org/stable/c/a4f71523ed2123d63b431cc0cea4e9f363a0f054 Patch
https://git.kernel.org/stable/c/b4a7ab57effbed42624842f2ab2a49b177c21a47 Patch

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Source: NIST National Vulnerability Database (record CVE-2023-53622), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.