Vulnerability in Linux
CVE-2026-97548
In the Linux kernel, the following vulnerability has been resolved: xfs: fix the rtrmap and rtrefcount _maxlevels_ondisk functions The _maxlevels_ondisk functions are used to compute the size of in-memory btree cursors for each btree type. Unfortunately, LOLLM noticed that the rtrmap and rtrefcount versions of these functions forget to account for the inode root, which means that we could access beyond the end of the cursor given a sufficiently large btree. Fix this.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Linux — versions 6.14
References
Frequently asked questions
- What is CVE-2026-97548?
- CVE-2026-97548 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-09-25.
- How severe is CVE-2026-97548?
- High severity. CVSS v3 base score is 7.8 out of 10.