CVE-2026-98447

In the Linux kernel, the following vulnerability has been resolved: xfs: fix wild memcpy access when formatting ondisk rtrefcount btree roots LOLLM noticed that the inode btree root formatting methods copy too many bytes -- there's only one set of keys in node blocks, not two. This causes memory corruption of whatever's beyond the buffers.

EPSS

0.2% chance of exploitation in the next 30 days; higher than 5% of CVEs (scores of 2026-10-25)

Published

2026-10-18

Modified

2026-10-19

Record from

the NVD, synced 2026-10-19

References

• https://git.kernel.org/stable/c/2703b954d306ebfe3b11e33e259759329c11b690
• https://git.kernel.org/stable/c/d46492fb8018d12d00651b06b9d240e747110b38
• https://git.kernel.org/stable/c/fe2f9135df43db849e74f03956d322ac20b59af7

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