Linux Kernel up to 6.6.139/6.12.85/6.18.26/7.0.3 cleanup allocation of resources

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Linux Kernel up to 6.6.139/6.12.85/6.18.26/7.0.3. The affected element is the function cleanup. The manipulation results in allocation of resources. This vulnerability is identified as CVE-2026-46083. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.6.139/6.12.85/6.18.26/7.0.3. It has been classified as critical. Affected is the function cleanup. The manipulation with an unknown input leads to a allocation of resources vulnerability. CWE is classifying the issue as CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. This is going to have an impact on availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: spi: fix resource leaks on device setup failure Make sure to call controller cleanup() if spi_setup() fails while registering a device to avoid leaking any resources allocated by setup().

The advisory is available at git.kernel.org. This vulnerability is traded as CVE-2026-46083 since 05/13/2026. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 321697 (SUSE SLES16 Security Update : kernel (SUSE-SU-2026:22099-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.6.140, 6.12.86, 6.18.27, 7.0.4 or 7.1-rc1 eliminates this vulnerability. Applying the patch a2c817c629430fbbd54273525b472dac96e2c8fd/1e774294b2f944f59e03a04eb438768a4b93c3ce/11baa8b24bcb07ae2048f2566a220021d766abe0/dbcead54b12468d9aa54c0e1f0042d838ec3b0ae/db357034f7e0cf23f233f414a8508312dfe8fbbe is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (321697) and EUVD (EUVD-2026-32466). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Allocation of resources
CWE: CWE-770 / CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 321697
Nessus Name: SUSE SLES16 Security Update : kernel (SUSE-SU-2026:22099-1)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 6.6.140/6.12.86/6.18.27/7.0.4/7.1-rc1
Patch: a2c817c629430fbbd54273525b472dac96e2c8fd/1e774294b2f944f59e03a04eb438768a4b93c3ce/11baa8b24bcb07ae2048f2566a220021d766abe0/dbcead54b12468d9aa54c0e1f0042d838ec3b0ae/db357034f7e0cf23f233f414a8508312dfe8fbbe

Timelineinfo

05/13/2026 CVE reserved
05/27/2026 +14 days Advisory disclosed
05/27/2026 +0 days VulDB entry created
06/25/2026 +29 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2026-46083 (🔒)
GCVE (CVE): GCVE-0-2026-46083
GCVE (VulDB): GCVE-100-366306
EUVD: 🔒

Entryinfo

Created: 05/27/2026 17:32
Updated: 06/25/2026 02:14
Changes: 05/27/2026 17:32 (58), 05/27/2026 18:16 (1), 06/21/2026 07:48 (2), 06/25/2026 02:14 (10)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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