Linux Kernel up to 6.8.5 crypto async_disable memory leak

CVSS Meta Temp Score
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.8.5 and classified as problematic. The affected element is the function async_disable of the component crypto. Executing a manipulation can lead to memory leak. This vulnerability is registered as CVE-2024-35926. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Linux Kernel up to 6.8.5. This vulnerability affects the function async_disable of the component crypto. The manipulation with an unknown input leads to a memory leak vulnerability. The CWE definition for the vulnerability is CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. As an impact it is known to affect availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: crypto: iaa - Fix async_disable descriptor leak The disable_async paths of iaa_compress/decompress() don't free idxd descriptors in the async_disable case. Currently this only happens in the testcases where req->dst is set to null. Add a test to free them in those paths.

The advisory is available at git.kernel.org. This vulnerability was named CVE-2024-35926 since 05/17/2024. Technical details are known, but there is no available exploit.

Upgrading to version 6.8.6 eliminates this vulnerability. Applying the patch d994f7d77aad/262534ddc88d 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.

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Productinfo

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Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / CWE-404
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 6.8.6
Patch: d994f7d77aad/262534ddc88d

Timelineinfo

05/17/2024 🔍
05/19/2024 +2 days 🔍
05/19/2024 +0 days 🔍
09/23/2025 +492 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2024-35926 (🔍)
GCVE (CVE): GCVE-0-2024-35926
GCVE (VulDB): GCVE-100-265150

Entryinfo

Created: 05/19/2024 13:05
Updated: 09/23/2025 19:55
Changes: 05/19/2024 13:05 (58), 09/23/2025 19:55 (13)
Complete: 🔍
Cache ID: 216::103

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