Linux Kernel up to 7.1.4 xilinx-ams ams_event_to_channel out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.48+

Summaryinfo

A vulnerability labeled as very critical has been found in Linux Kernel up to 6.1.177/6.6.144/6.12.96/6.18.39/7.1.4. This issue affects the function ams_event_to_channel of the component xilinx-ams. Executing a manipulation can lead to out-of-bounds. This vulnerability appears as CVE-2026-72480. The attack requires local access. There is no available exploit.

Detailsinfo

A vulnerability classified as very critical was found in Linux Kernel up to 6.1.177/6.6.144/6.12.96/6.18.39/7.1.4. This vulnerability affects the function ams_event_to_channel of the component xilinx-ams. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: iio: adc: xilinx-ams: fix out-of-bounds channel lookup in event handling ams_event_to_channel() may return a pointer past the end of dev->channels when no matching scan_index is found. This can lead to invalid memory access in ams_handle_event(). Add a bounds check in ams_event_to_channel() and return NULL when no channel is found. Also guard the caller to safely handle this case.

The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2026-72480 since 08/09/2026. The exploitation appears 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 6.1.178, 6.6.145, 6.12.97, 6.18.40, 7.1.5 or 7.2-rc1 eliminates this vulnerability. Applying the patch 116d1f8805ae2daadbac89d24da4c0da50b9edae/94d158985b6ea011bdc26186f42d662a156da6cb/1d24f14e049fdd769146dda026496ed23b397ed9/9ac3675bf875792dced45efbf47116719a7c097b/3c374d33f1338dbb5676919c5194caa9c5aa1631/947eb6f0a274f8b15a0248051a65b069effd5057 is able to eliminate this problem.

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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: 8.8
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: Out-of-bounds
CWE: CWE-125 / 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 6.1.178/6.6.145/6.12.97/6.18.40/7.1.5/7.2-rc1
Patch: 116d1f8805ae2daadbac89d24da4c0da50b9edae/94d158985b6ea011bdc26186f42d662a156da6cb/1d24f14e049fdd769146dda026496ed23b397ed9/9ac3675bf875792dced45efbf47116719a7c097b/3c374d33f1338dbb5676919c5194caa9c5aa1631/947eb6f0a274f8b15a0248051a65b069effd5057

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-2026-72480 (🔒)
GCVE (CVE): GCVE-0-2026-72480
GCVE (VulDB): GCVE-100-390988

Entryinfo

Created: 08/15/2026 16:48
Changes: 08/15/2026 16:48 (59)
Complete: 🔍
Cache ID: 216::103

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