CVE-2026-46046

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().

CVSS 3.1

5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.1% chance of exploitation in the next 30 days; higher than 2% of CVEs (scores of 2026-10-25)

Published

2026-05-27

Modified

2026-10-15

Record from

the NVD, synced 2026-10-19

Affected

• linux:linux_kernel

References

• https://git.kernel.org/stable/c/097227f1ffe1a85bc3c359f81c71e3d40e06e920
• https://git.kernel.org/stable/c/153ab2c52355fbebcae622db8e7b506492c73a29
• https://git.kernel.org/stable/c/1bc1107a3a403a6d440673ed6666f7b07ef868a8
• https://git.kernel.org/stable/c/1e6b0a69bf2c9c819255c7566e4355536d81d9cf
• https://git.kernel.org/stable/c/77d059519382bd66283e6a4e83ee186e87e7708f

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