Linux Kernel up to 6.2.8 ca8210 ieee802154_hdr_peek_addrs buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.2.8. It has been classified as critical. Affected by this issue is the function ieee802154_hdr_peek_addrs of the component ca8210. The manipulation leads to buffer overflow. This vulnerability is traded as CVE-2023-53040. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.2.8 and classified as critical. This issue affects the function ieee802154_hdr_peek_addrs of the component ca8210. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: ca8210: fix mac_len negative array access This patch fixes a buffer overflow access of skb->data if ieee802154_hdr_peek_addrs() fails.

It is possible to read the advisory at git.kernel.org. The identification of this vulnerability is CVE-2023-53040 since 04/16/2025. The exploitation is known to be easy. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/12/2025).

The vulnerability scanner Nessus provides a plugin with the ID 250205 (Linux Distros Unpatched Vulnerability : CVE-2023-53040), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.14.312, 4.19.280, 5.4.240, 5.10.177, 5.15.105, 6.1.22 or 6.2.9 eliminates this vulnerability. Applying the patch 55d836f75778d2e2cafe37e023f9c106400bad4b/5da4469a7aa011de614c3e2ae383c35a353a382e/d2b3bd0d4cadfdb7f3454d2aef9d5d9e8b48aae4/7df72bedbdd1d02bb216e1f6eca0a16900238c4e/d143e327c97241599c958d1ba9fbaa88c37db721/fd176a18db96d574d8c4763708abcec4444a08b6/918944526a386f186dd818ea6b0bcbed75d8c16b/6c993779ea1d0cccdb3a5d7d45446dd229e610a3 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 (250205). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.6

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

NVD Base Score: 5.5
NVD Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / 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: 250205
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2023-53040

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 4.14.312/4.19.280/5.4.240/5.10.177/5.15.105/6.1.22/6.2.9
Patch: 55d836f75778d2e2cafe37e023f9c106400bad4b/5da4469a7aa011de614c3e2ae383c35a353a382e/d2b3bd0d4cadfdb7f3454d2aef9d5d9e8b48aae4/7df72bedbdd1d02bb216e1f6eca0a16900238c4e/d143e327c97241599c958d1ba9fbaa88c37db721/fd176a18db96d574d8c4763708abcec4444a08b6/918944526a386f186dd818ea6b0bcbed75d8c16b/6c993779ea1d0cccdb3a5d7d45446dd229e610a3

Timelineinfo

04/16/2025 CVE reserved
05/02/2025 +16 days Advisory disclosed
05/02/2025 +0 days VulDB entry created
11/12/2025 +194 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-53040 (🔒)
GCVE (CVE): GCVE-0-2023-53040
GCVE (VulDB): GCVE-100-307319

Entryinfo

Created: 05/02/2025 20:09
Updated: 11/12/2025 21:28
Changes: 05/02/2025 20:09 (59), 08/17/2025 01:34 (2), 11/12/2025 21:28 (12)
Complete: 🔍
Cache ID: 216:893:103

Be aware that VulDB is the high quality source for vulnerability data.

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