CVE-2026-46046

MEDIUM

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 v3.1 Score

5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Published: 5/27/2026Modified: 10/15/2026

Related Intelligence (1)

CRITICALVulnerability

Siemens SIMATIC S7-1500 TM MFP

<p><a href="https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-295-16.json"><strong>View CSAF</strong></a></p> <h2>Summary</h2> <p><strong>Multiple vulnerabilities have been identified in the additional GNU/Linux subsystem of the SIMATIC S7-1500 TM MFP V1.1.1. Siemens is preparing fixes and recommends specific mitigations for products where fixes are not or not yet avail

CVE-2023-52927CVE-2023-53292
CISA Advisories

References (11)

https://git.kernel.org/stable/c/097227f1ffe1a85bc3c359f81c71e3d40e06e920Patchhttps://git.kernel.org/stable/c/153ab2c52355fbebcae622db8e7b506492c73a29Patchhttps://git.kernel.org/stable/c/1bc1107a3a403a6d440673ed6666f7b07ef868a8Patchhttps://git.kernel.org/stable/c/1e6b0a69bf2c9c819255c7566e4355536d81d9cfPatchhttps://git.kernel.org/stable/c/77d059519382bd66283e6a4e83ee186e87e7708fPatchhttps://git.kernel.org/stable/c/b706d00206a9e82362a9633efbd8b5775650169bPatchhttps://git.kernel.org/stable/c/dd98a5603a212ea9c96c6982ccdbcc748fdb9a56Patchhttps://git.kernel.org/stable/c/f072906688933bf47fabbaf63560be03357c8298Patchhttps://cert-portal.siemens.com/productcert/html/ssa-019113.htmlhttps://cert-portal.siemens.com/productcert/html/ssa-457936.htmlhttps://cert-portal.siemens.com/productcert/html/ssa-784472.html