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VULNERABILITIES

CVE-2026-97548 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: kernel.orgCVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://git.kernel.org/stable/c/108114437915e61e8f88d1cbcc442c3f886a347e kernel.org
https://git.kernel.org/stable/c/84316cb25af95a60e655ccc8fe646bb5ad631b71 kernel.org
https://git.kernel.org/stable/c/aa301322f72f82f26e4ba0826018d41388ab9896 kernel.org

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-97548
NVD Published Date:
Sep 25, 2026
NVD Last Modified:
Sep 25, 2026
Source:
kernel.org
CVE-2026-97548 Details - Not Deferred