Linux Kernel up to 7.1.4/7.2-rc2 amdxdna aie2_populate_range/amdxdna_umap_release 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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8.4$0-$5k0.00+

Summaryinfo

A vulnerability classified as very critical was found in Linux Kernel up to 7.1.4/7.2-rc2. The impacted element is the function aie2_populate_range/amdxdna_umap_release of the component amdxdna. The manipulation results in use after free. This vulnerability is identified as CVE-2026-72331. The attack is only possible with local access. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as very critical, was found in Linux Kernel up to 7.1.4/7.2-rc2. Affected is the function aie2_populate_range/amdxdna_umap_release of the component amdxdna. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix VMA access race aie2_populate_range() and amdxdna_umap_release() access a saved VMA pointer that may have already been freed, leading to a potential use-after-free. Remove the VMA accesses from these functions to avoid the race.

The advisory is shared for download at git.kernel.org. This vulnerability is traded as CVE-2026-72331 since 08/09/2026. The exploitability is told to be easy. The attack needs to be approached locally. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/15/2026).

Upgrading to version 7.1.5 or 7.2-rc3 eliminates this vulnerability. Applying the patch bea20225c67fed9be3e98619c77af6ee3f43fe07/1ba02717e821cf14ece642273958647e79698d3d is able to eliminate this problem.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
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: Use after free
CWE: CWE-416 / CWE-119
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 7.1.5/7.2-rc3
Patch: bea20225c67fed9be3e98619c77af6ee3f43fe07/1ba02717e821cf14ece642273958647e79698d3d

Timelineinfo

08/09/2026 CVE reserved
08/15/2026 +6 days Advisory disclosed
08/15/2026 +0 days VulDB entry created
08/15/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2026-72331 (🔒)
GCVE (CVE): GCVE-0-2026-72331
GCVE (VulDB): GCVE-100-390936

Entryinfo

Created: 08/15/2026 16:26
Changes: 08/15/2026 16:26 (59)
Complete: 🔍
Cache ID: 216::103

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