CVE-2026-43328

HIGH EPSS 2.9%
Published May 8, 20261mo ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
High
Find Similar
Published May 8, 2026 1mo ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: cpufreq: governor: fix double free in cpufreq_dbs_governor_init() error path When kobject_init_and_add() fails, cpufreq_dbs_governor_init() calls kobject_put(&dbs_data->attr_set.kobj). The kobject release callback cpufreq_dbs_data_release() calls gov->exit(dbs_data) and kfree(dbs_data), but the current error path then calls gov->exit(dbs_data) and kfree(dbs_data) again, causing a double free. Keep the direct kfree(dbs_data) for the gov->init() failure path, but after kobject_init_and_add() has been called, let kobject_put() handle the cleanup through cpufreq_dbs_data_release().

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
2.9% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-415

Affected Products 13

VendorProductVersionRange
linuxlinux_kernel*≥5.2  –  <5.10.253
linuxlinux_kernel*≥5.11  –  <6.1.168
linuxlinux_kernel*≥6.2  –  <6.6.134
linuxlinux_kernel*≥6.7  –  <6.12.81
linuxlinux_kernel*≥6.13  –  <6.18.22
linuxlinux_kernel*≥6.19  –  <6.19.12
linuxlinux_kernel5.1.6any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any

References 8

  • git.kernel.org https://git.kernel.org/stable/c/019ea28629720c220daedf38107c8787f330dc05
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3bf9d023d2329a0e5379f2fd09d06ef09729cd9d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/427d048e4f6acbfa01b5a8062449fe0ee8987c0d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4b9118e93d2499bb2808ef3742fa0ce06f4f8117
  • git.kernel.org https://git.kernel.org/stable/c/56bc91ee78babe9578585a2bc137abc4b3115ff3
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6dcf9d0064ce2f3e3dfe5755f98b93abe6a98e1e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d2703b4f8fb7cc6f0dfdb2dc2359cc46189e7357
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/da39ee627fd82b52068d4d5f115749a8b7d271f9
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/019ea28629720c220daedf38107c8787f330dc05
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3bf9d023d2329a0e5379f2fd09d06ef09729cd9d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/427d048e4f6acbfa01b5a8062449fe0ee8987c0d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/56bc91ee78babe9578585a2bc137abc4b3115ff3
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6dcf9d0064ce2f3e3dfe5755f98b93abe6a98e1e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d2703b4f8fb7cc6f0dfdb2dc2359cc46189e7357
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/da39ee627fd82b52068d4d5f115749a8b7d271f9
    Patch