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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2024-53197

Linux Kernel Out-of-Bounds Access Vulnerability

KEVHIGH 7.8EPSS 3.56%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 30 April 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fix potential out-of-bound accesses for Extigy and Mbox devices A bogus device can provide a bNumConfigurations value that exceeds the initial value used in usb_get_configuration for allocating dev->config. This can lead to out-of-bounds accesses later, e.g. in usb_destroy_configuration.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
3.56% probability · 89th percentile
CISA KEV
Listed 9 April 2025 · due 30 April 2025
Weakness
CWE-787
Affected
linux/linux kernel · debian/debian linux
Source
416baaa9-dc9f-4396-8d5f-8c081fb06d67

CISA notes

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. For more information, please see: https://lore.kernel.org/linux-cve-announce/2024122725-CVE-2024-53197-6aef@gregkh/ ; https://source.android.com/docs/security/bulletin/2025-04-01 ; https://nvd.nist.gov/vuln/detail/CVE-2024-53197

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.