Linux Kernel up to 7.2.5 crypto kmb_ocs_aes_probe/ocs_aes_irq_handler uninitialized pointer

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.8$0-$5k0.00

Summaryinfo

A vulnerability described as very critical has been identified in Linux Kernel up to 7.2.5. Affected by this vulnerability is the function kmb_ocs_aes_probe/ocs_aes_irq_handler of the component crypto. Executing a manipulation can lead to uninitialized pointer. This vulnerability appears as CVE-2026-92476. The attack requires local access. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Linux Kernel up to 7.2.5. It has been declared as very critical. This vulnerability affects the function kmb_ocs_aes_probe/ocs_aes_irq_handler of the component crypto. The manipulation with an unknown input leads to a uninitialized pointer vulnerability. The CWE definition for the vulnerability is CWE-824. The product accesses or uses a pointer that has not been initialized. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: crypto: keembay - Initialize completion before requesting IRQ kmb_ocs_aes_probe() requests the device IRQ before initializing irq_completion. Once the handler is registered it can run immediately, and ocs_aes_irq_handler() unconditionally calls complete(). An interrupt in this window would therefore use an uninitialized completion. Initialize the completion before requesting the IRQ, as the sibling OCS HCU and ECC drivers already do.

The advisory is available at git.kernel.org. This vulnerability was named CVE-2026-92476 since 09/16/2026. The exploitation appears to be easy. Local access is required to approach this attack. Additional levels of successful authentication are necessary for exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 09/17/2026).

Upgrading to version 5.15.221, 6.1.188, 6.6.157, 6.12.110, 6.18.52, 7.2.6 or 7.3-rc1 eliminates this vulnerability. Applying the patch a3ffced8be1555f283680065c3b87a19f5ab9097/4ce407055ae9d37f46a3c6f05eb27198b354d287/d52a15c4559b69805bc69bf4ad9e16bbf6480d52/f8970ee9e315c9e2258ae8914d5fb32b1039d2f6/7efb51a5893b22003a679d088b7794be2ccd6c32/5aae80dcec0748b4ed61daace2ad8b12082261f2/fce20289dd622cc7ab78d72c8a979a9f8b7cb10e is able to eliminate this problem. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 7.8

VulDB Base Score: 8.2
VulDB Temp Score: 7.8
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: Uninitialized pointer
CWE: CWE-824 / CWE-908
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

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 5.15.221/6.1.188/6.6.157/6.12.110/6.18.52/7.2.6/7.3-rc1
Patch: a3ffced8be1555f283680065c3b87a19f5ab9097/4ce407055ae9d37f46a3c6f05eb27198b354d287/d52a15c4559b69805bc69bf4ad9e16bbf6480d52/f8970ee9e315c9e2258ae8914d5fb32b1039d2f6/7efb51a5893b22003a679d088b7794be2ccd6c32/5aae80dcec0748b4ed61daace2ad8b12082261f2/fce20289dd622cc7ab78d72c8a979a9f8b7cb10e

Timelineinfo

09/16/2026 CVE reserved
09/17/2026 +1 days Advisory disclosed
09/17/2026 +0 days VulDB entry created
09/17/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2026-92476 (🔒)
GCVE (CVE): GCVE-0-2026-92476
GCVE (VulDB): GCVE-100-406978

Entryinfo

Created: 09/17/2026 22:22
Changes: 09/17/2026 22:22 (59)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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