What is CVE-2026-98907?

CVE-2026-98907 is a unscored severity Linux kernel vulnerability. CVE-2026-98907 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-98907?

CVE-2026-98907 has a CVSS score of pending NVD analysis out of 10, rated awaiting scoring severity.

Is there a patch available for CVE-2026-98907?

Yes, CVE-2026-98907 has been patched. Fixed versions include 5.15.222, 6.1.189, 6.6.158 and others.

Is CVE-2026-98907 actively exploited?

CVE-2026-98907 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-98907

In the Linux kernel, the following vulnerability has been resolved: btrfs: protect sb_write_pointer() with invalidate lock sb_write_pointer() reads the super block from the block device page cache using read_cache_page_gfp(). This has the same race with BLKBSZSET as the one fixed by commit 3f29d661e568 ("btrfs: sync read disk super and set block size"). Take the mapping invalidate lock around read_cache_page_gfp() to serialize the read against block size changes.

Package Linux Kernel

Published 2026-10-23

Last modified 2026-10-23

Patch available

Yes

Affected versions

Fixed in 5.15.222, 6.1.189, 6.6.158, 6.12.111, 6.18.53, 7.2 and their respective stable series.

Fixed in

✓ 5.15.222 5.15.x ✓ 6.1.189 6.1.x ✓ 6.6.158 6.6.x ✓ 6.12.111 6.12.x ✓ 6.18.53 6.18.x ✓ 7.2

References

6 total

Showing 5 of 6 references View all on NVD

Frequently asked questions

What is CVE-2026-98907?

CVE-2026-98907 is a unscored severity Linux kernel vulnerability . CVE-2026-98907 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
Is there a patch available for CVE-2026-98907?

Yes. CVE-2026-98907 has been patched. Fixed versions include 5.15.222, 6.1.189, 6.6.158 and others.
Is CVE-2026-98907 actively exploited?

No. CVE-2026-98907 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.