Medium severity5.5NVD Advisory· Published May 27, 2026· Updated Jun 16, 2026
CVE-2026-46046
CVE-2026-46046
Description
In the Linux kernel, the following vulnerability has been resolved:
ext4: fix missing brelse() in ext4_xattr_inode_dec_ref_all()
The commit c8e008b60492 ("ext4: ignore xattrs past end") introduced a refcount leak in when block_csum is false.
ext4_xattr_inode_dec_ref_all() calls ext4_get_inode_loc() to get iloc.bh, but never releases it with brelse().
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Affected products
5Patches
Vulnerability mechanics
References
8- git.kernel.org/stable/c/097227f1ffe1a85bc3c359f81c71e3d40e06e920nvdPatch
- git.kernel.org/stable/c/153ab2c52355fbebcae622db8e7b506492c73a29nvdPatch
- git.kernel.org/stable/c/1bc1107a3a403a6d440673ed6666f7b07ef868a8nvdPatch
- git.kernel.org/stable/c/1e6b0a69bf2c9c819255c7566e4355536d81d9cfnvdPatch
- git.kernel.org/stable/c/77d059519382bd66283e6a4e83ee186e87e7708fnvdPatch
- git.kernel.org/stable/c/b706d00206a9e82362a9633efbd8b5775650169bnvdPatch
- git.kernel.org/stable/c/dd98a5603a212ea9c96c6982ccdbcc748fdb9a56nvdPatch
- git.kernel.org/stable/c/f072906688933bf47fabbaf63560be03357c8298nvdPatch
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