Linux Kernel up to 5.16.4 fs/nfs/dir.c nfs_atomic_open memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability has been found in Linux Kernel up to 5.16.4 and classified as critical. This affects the function nfs_atomic_open of the file fs/nfs/dir.c. The manipulation leads to memory corruption. This vulnerability is listed as CVE-2022-24448. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.16.4 (Operating System). It has been rated as critical. This issue affects the function nfs_atomic_open of the file fs/nfs/dir.c. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability.

The weakness was presented 02/04/2022. The advisory is shared at spinics.net. The identification of this vulnerability is CVE-2022-24448. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 236676 (Alibaba Cloud Linux 3 : 0029: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2022:0029)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.16.5 eliminates this vulnerability. The upgrade is hosted for download at cdn.kernel.org. Applying the patch ac795161c93699d600db16c1a8cc23a65a1eceaf 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 vulnerability database at Tenable (236676). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 236676
Nessus Name: Alibaba Cloud Linux 3 : 0029: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2022:0029)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.16.5
Patch: ac795161c93699d600db16c1a8cc23a65a1eceaf

Timelineinfo

02/04/2022 🔍
02/04/2022 +0 days 🔍
05/18/2025 +1199 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: ac795161c93699d600db16c1a8cc23a65a1eceaf
Status: Confirmed

CVE: CVE-2022-24448 (🔍)
GCVE (CVE): GCVE-0-2022-24448
GCVE (VulDB): GCVE-100-192293

Entryinfo

Created: 02/04/2022 22:32
Updated: 05/18/2025 16:20
Changes: 02/04/2022 22:32 (43), 02/07/2022 07:57 (1), 02/07/2022 08:03 (1), 05/18/2025 16:20 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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