CVE-2026-46046

MEDIUM EPSS 2.4%
Published May 27, 20261mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published May 27, 2026 1mo ago
Last Modified Jun 17, 2026 1w ago

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().

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
2.4% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 9

VendorProductVersionRange
linuxlinux_kernel*≥5.4.293  –  <5.5
linuxlinux_kernel*≥5.10.237  –  <5.10.258
linuxlinux_kernel*≥5.15.181  –  <5.15.209
linuxlinux_kernel*≥6.1.135  –  <6.1.175
linuxlinux_kernel*≥6.6.88  –  <6.6.140
linuxlinux_kernel*≥6.12.24  –  <6.12.86
linuxlinux_kernel*≥6.13.12  –  <6.14
linuxlinux_kernel*≥6.14.3  –  <6.18.27
linuxlinux_kernel*≥6.19  –  <7.0.4

References 8

  • git.kernel.org https://git.kernel.org/stable/c/097227f1ffe1a85bc3c359f81c71e3d40e06e920
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/153ab2c52355fbebcae622db8e7b506492c73a29
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/1bc1107a3a403a6d440673ed6666f7b07ef868a8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/1e6b0a69bf2c9c819255c7566e4355536d81d9cf
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/77d059519382bd66283e6a4e83ee186e87e7708f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b706d00206a9e82362a9633efbd8b5775650169b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/dd98a5603a212ea9c96c6982ccdbcc748fdb9a56
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f072906688933bf47fabbaf63560be03357c8298
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/097227f1ffe1a85bc3c359f81c71e3d40e06e920
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/153ab2c52355fbebcae622db8e7b506492c73a29
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/1bc1107a3a403a6d440673ed6666f7b07ef868a8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/1e6b0a69bf2c9c819255c7566e4355536d81d9cf
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/77d059519382bd66283e6a4e83ee186e87e7708f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b706d00206a9e82362a9633efbd8b5775650169b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/dd98a5603a212ea9c96c6982ccdbcc748fdb9a56
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f072906688933bf47fabbaf63560be03357c8298
    Patch