CVE-2026-98447
Unknown
Description
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.
SeverityUnknown
CVSS—
Exploit probability—
Product
Linux
PublishedOct 18, 2026
First seenOct 18, 2026
How to fix
Update
- Linux Linuxd46492fb8018d12d00651b06b9d240e747110b38, 2703b954d306ebfe3b11e33e259759329c11b690, fe2f9135df43db849e74f03956d322ac20b59af7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | f0415af60f482a2192065be8b334b409495ca8a3 ≤ v < d46492fb8018d12d00651b06b9d240e747110b38, f0415af60f482a2192065be8b334b409495ca8a3 ≤ v < 2703b954d306ebfe3b11e33e259759329c11b690, f0415af60f482a2192065be8b334b409495ca8a3 ≤ v < fe2f9135df43db849e74f03956d322ac20b59af7, 6.14 | d46492fb8018d12d00651b06b9d240e747110b38, 2703b954d306ebfe3b11e33e259759329c11b690, fe2f9135df43db849e74f03956d322ac20b59af7 |
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