CVE-2026-64146
Gravedad:
Pendiente de análisis
Tipo:
No Disponible / Otro tipo
Fecha de publicación:
19/07/2026
Última modificación:
30/07/2026
Descripción
*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br />
<br />
erofs: fix metabuf leak in inode xattr initialization<br />
<br />
commit bb88e8da0025 ("erofs: use meta buffers for xattr operations")<br />
converted xattr operations to use on-stack erofs_buf instances.<br />
erofs_init_inode_xattrs() uses such a metabuf while reading the inline<br />
xattr header and shared xattr id array.<br />
<br />
Some error paths after erofs_read_metabuf() leave through out_unlock<br />
without dropping the metabuf, so the folio reference can leak.<br />
<br />
Consolidate the cleanup at out_unlock. erofs_put_metabuf() is a<br />
no-op if no folio has been acquired, and this keeps all paths after<br />
taking EROFS_I_BL_XATTR_BIT covered by a single cleanup site.



