Linux Kernel up to ea759ae0a9ae5acee677d722129710ac89cc59c1 NFSv4 use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Linux Kernel. This vulnerability affects unknown code of the component NFSv4. The manipulation results in use after free. This vulnerability was named CVE-2022-50072. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Linux Kernel. It has been classified as critical. Affected is an unknown part of the component NFSv4. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: NFSv4/pnfs: Fix a use-after-free bug in open If someone cancels the open RPC call, then we must not try to free either the open slot or the layoutget operation arguments, since they are likely still in use by the hung RPC call.

The advisory is shared for download at git.kernel.org. This vulnerability is traded as CVE-2022-50072 since 06/18/2025. The exploitability is told to be easy. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/31/2026).

The vulnerability scanner Nessus provides a plugin with the ID 297384 (EulerOS Virtualization 2.10.0 : kernel (EulerOS-SA-2026-1172)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.19.256, 5.4.211, 5.10.138, 5.15.63 or 5.19.4 eliminates this vulnerability. Applying the patch 0fffb46ff3d5ed4668aca96441ec7a25b793bd6f/f7ee3b772d9de87387a725caa04bc041ac7fe5ec/76ffd2042438769298f34b76102b40dea89de616/a4cf3dadd1fa43609f7c6570c9116b0e0a9923d1/b03d1117e9be7c7da60e466eaf9beed85c5916c8/2135e5d56278ffdb1c2e6d325dc6b87f669b9dac 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 (297384) and CERT Bund (WID-SEC-2025-1350). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • SUSE openSUSE
  • Open Source Linux Kernel
  • RESF Rocky Linux
  • Dell Avamar
  • Dell NetWorker
  • Dell Secure Connect Gateway
  • IBM QRadar SIEM

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.9
VulDB Meta Temp Score: 7.7

VulDB Base Score: 8.0
VulDB Temp Score: 7.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
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: 297384
Nessus Name: EulerOS Virtualization 2.10.0 : kernel (EulerOS-SA-2026-1172)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 4.19.256/5.4.211/5.10.138/5.15.63/5.19.4
Patch: 0fffb46ff3d5ed4668aca96441ec7a25b793bd6f/f7ee3b772d9de87387a725caa04bc041ac7fe5ec/76ffd2042438769298f34b76102b40dea89de616/a4cf3dadd1fa43609f7c6570c9116b0e0a9923d1/b03d1117e9be7c7da60e466eaf9beed85c5916c8/2135e5d56278ffdb1c2e6d325dc6b87f669b9dac

Timelineinfo

06/18/2025 Advisory disclosed
06/18/2025 +0 days CVE reserved
06/18/2025 +0 days VulDB entry created
01/31/2026 +227 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-50072 (🔒)
GCVE (CVE): GCVE-0-2022-50072
GCVE (VulDB): GCVE-100-313008
CERT Bund: WID-SEC-2025-1350 - Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service

Entryinfo

Created: 06/18/2025 14:57
Updated: 01/31/2026 23:39
Changes: 06/18/2025 14:57 (58), 07/30/2025 09:02 (7), 10/19/2025 09:20 (1), 11/18/2025 00:23 (12), 11/30/2025 22:07 (1), 01/31/2026 23:39 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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