Linux Kernel up to 7.2.12 Gpio Lookup Table 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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9.5$5k-$25k0.68

Summaryinfo

A vulnerability classified as very critical has been found in Linux Kernel up to 7.2.12. The affected element is an unknown function of the component Gpio Lookup Table. The manipulation leads to use after free. This vulnerability is referenced as CVE-2026-99162. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 7.2.12. It has been rated as very critical. This issue affects some unknown processing of the component Gpio Lookup Table. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: gpio: shared: fix use-after-free bug when adding shared proxies The GPIO lookup table can stay alive for longer than the kobject whose name string's address we're assigning to lookup->dev_id. Fix a potential UAF by duplicating the string.

It is possible to read the advisory at git.kernel.org. The identification of this vulnerability is CVE-2026-99162 since 09/25/2026. The exploitation is known to be easy. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 10/28/2026).

Upgrading to version 7.2.13 eliminates this vulnerability. Applying the patch 8861491f8501516429e0e6c9d7a056480047227c/bd22f7e63509fa758cf500d9af3e88a3d3df96be is able to eliminate this problem. The best possible mitigation is suggested to be upgrading to the latest version.

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

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: Use after free
CWE: CWE-416 / 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 7.2.13
Patch: 8861491f8501516429e0e6c9d7a056480047227c/bd22f7e63509fa758cf500d9af3e88a3d3df96be

Timelineinfo

09/25/2026 CVE reserved
10/28/2026 +33 days Advisory disclosed
10/28/2026 +0 days VulDB entry created
10/28/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2026-99162 (🔒)
GCVE (CVE): GCVE-0-2026-99162
GCVE (VulDB): GCVE-100-427895

Entryinfo

Created: 10/28/2026 12:44
Changes: 10/28/2026 12:44 (58)
Complete: 🔍
Cache ID: 216::103

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

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