Linux Kernel up to 6.18.41/7.1.5 Media Driver c3-isp-params.c c3_isp_params_awb_wt/c3_isp_params_ae_wt zone_weight buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.5$5k-$25k0.48-

Summaryinfo

A vulnerability, which was classified as very critical, was found in Linux Kernel up to 6.18.41/7.1.5. The impacted element is the function c3_isp_params_awb_wt/c3_isp_params_ae_wt of the file drivers/media/platform/amlogic/c3/isp/c3-isp-params.c of the component Media Driver. Executing a manipulation of the argument zone_weight can lead to buffer overflow. This vulnerability is tracked as CVE-2026-68230. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.18.41/7.1.5. It has been declared as very critical. This vulnerability affects the function c3_isp_params_awb_wt/c3_isp_params_ae_wt of the file drivers/media/platform/amlogic/c3/isp/c3-isp-params.c of the component Media Driver. The manipulation of the argument zone_weight with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: media: amlogic-c3: Add validations for ae and awb config Avoid invalid memory access if the zones_num is bigger than zone_weight. This patch fixes the following smatch errors: drivers/media/platform/amlogic/c3/isp/c3-isp-params.c:111 c3_isp_params_awb_wt() error: buffer overflow 'cfg->zone_weight' 768 <= u32max drivers/media/platform/amlogic/c3/isp/c3-isp-params.c:111 c3_isp_params_awb_wt() error: buffer overflow 'cfg->zone_weight' 768 <= u32max drivers/media/platform/amlogic/c3/isp/c3-isp-params.c:227 c3_isp_params_ae_wt() error: buffer overflow 'cfg->zone_weight' 255 <= u32max drivers/media/platform/amlogic/c3/isp/c3-isp-params.c:227 c3_isp_params_ae_wt() error: buffer overflow 'cfg->zone_weight' 255 <= u32max

The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2026-68230 since 07/30/2026. The exploitation appears to be easy. The attack can be initiated remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 08/10/2026).

Upgrading to version 6.18.42, 7.1.6 or 7.2-rc1 eliminates this vulnerability. Applying the patch 391fe3e36e59f3c6e3d46edfb3a5de51e00cd216/32cbe5474e74817aa8a576b94135cc45e59f5e07/9724164f71974a2a44a5e026614fbcc05bab6d91 is able to eliminate this problem.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 9.5

VulDB Base Score: 9.9
VulDB Temp Score: 9.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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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: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 6.18.42/7.1.6/7.2-rc1
Patch: 391fe3e36e59f3c6e3d46edfb3a5de51e00cd216/32cbe5474e74817aa8a576b94135cc45e59f5e07/9724164f71974a2a44a5e026614fbcc05bab6d91

Timelineinfo

07/30/2026 CVE reserved
08/10/2026 +11 days Advisory disclosed
08/10/2026 +0 days VulDB entry created
08/10/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2026-68230 (🔒)
GCVE (CVE): GCVE-0-2026-68230
GCVE (VulDB): GCVE-100-387592

Entryinfo

Created: 08/10/2026 16:31
Changes: 08/10/2026 16:31 (61)
Complete: 🔍
Cache ID: 216::103

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