CVE-2025-37839 — jbd2: remove wrong sb->s_sequence check
In the Linux kernel, the following vulnerability has been resolved: jbd2: remove wrong sb->s_sequence check Journal emptiness is not determined by sb->s_sequence == 0 but rath…
Published: 2025-05-09 · CVSS: Unscored
In the Linux kernel, the following vulnerability has been resolved: jbd2: remove wrong sb->s_sequence check Journal emptiness is not determined by sb->s_sequence == 0 but rather by sb->s_start == 0 (which is set a few lines above). Furthermore 0 is a valid transaction ID so the check can spuriously trigger. Remove the invalid WARN_ON.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7