CVE-2026-43440

HIGH EPSS 2.5%
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: net/mana: Null service_wq on setup error to prevent double destroy In mana_gd_setup() error path, set gc->service_wq to NULL after destroy_workqueue() to match the cleanup in mana_gd_cleanup(). This prevents a use-after-free if the workqueue pointer is checked after a failed setup.

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
2.5% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 4

VendorProductVersionRange
linuxlinux_kernel*≥6.18.16  –  <6.18.19
linuxlinux_kernel*≥6.19.6  –  <6.19.9
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any

References 3

  • git.kernel.org https://git.kernel.org/stable/c/59489ce60d7412ed82fb1d8002faa3102dcd4916
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6c92392602b451e3869f15ab685f8f650e942b13
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/87c2302813abc55c46485711a678e3c312b00666
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/59489ce60d7412ed82fb1d8002faa3102dcd4916
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6c92392602b451e3869f15ab685f8f650e942b13
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/87c2302813abc55c46485711a678e3c312b00666
    Patch