btrfs: fix xattr replace when multiple xattrs are packed in the same item

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-98959 · Microsoft / collected KEV context

cve-program · CVE-2026-98959

• https://git.kernel.org/stable/c/7a53bb4668b319fc6c8a3ce2c21635125c7d2712
• https://git.kernel.org/stable/c/5877d7138cc4359d26fd7b010eedfd1b3162348f
• https://git.kernel.org/stable/c/a97114b9b00ed3d05156f3b2ddbf797296260389
• https://git.kernel.org/stable/c/c1803697a60f22743aa28ad522f805e92d45e3f0
• https://git.kernel.org/stable/c/858bee1c77857aabcc2327cd32dd8266332de332

• btrfs: fix xattr replace when multiple xattrs are packed in the same item · Source changes critical severity rating · 24 Oct 2026
• btrfs: fix xattr replace when multiple xattrs are packed in the same item · Newly collected advisory · 23 Oct 2026