# CVE-2024-53197 — Linux

**CISA KEV**

> As of 2026-05-11, CVE-2024-53197 is a HIGH-severity vulnerability in Linux, CVSS v3.1 7.8, EPSS 3.5% (88.7th percentile). It is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-04-09), with a US federal remediation deadline of 2025-04-30. Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2024-53197, most recently “Serbian Authorities Deploy Pegasus and NoviSpy Spyware Against Journalists, Opposition Politicians, and Student Protesters”.

**Last updated:** 2026-05-11

## What is CVE-2024-53197?

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.

The record classifies CVE-2024-53197 under weakness class [CWE-787](https://intel.threadlinqs.com/cwe/CWE-787). Its CVSS v3 base vector states that the flaw requires local access to the host, needs low-privilege credentials, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 647 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 7.8 — HIGH (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **EPSS (FIRST):** 3.5% probability of exploitation in the next 30 days, higher than 88.7% of all scored CVEs
- **CISA KEV:** Listed since 2025-04-09, federal remediation deadline 2025-04-30
- **Threadlinqs priority:** 9/10 — CISA KEV-listed, which Threadlinqs floors at 9
- **Published:** 2024-12-27, last modified 2026-05-11

## Is CVE-2024-53197 being exploited?

CISA added CVE-2024-53197 to the Known Exploited Vulnerabilities catalog on 2025-04-09, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2025-04-30 under BOD 22-01. Weaponised exploit code for CVE-2024-53197 is publicly available. 1 public proof-of-concept repository is tracked for this identifier. It currently carries a trending score of 40 in the Threadlinqs vulnerability feed.

- [trickest/cve](https://github.com/trickest/cve/blob/main/2024/CVE-2024-53197.md) (trickest)

## Affected products and versions

- [Linux](https://intel.threadlinqs.com/vendors/linux): Linux

## How to fix CVE-2024-53197

The record marks a vendor fix as available for CVE-2024-53197. Patch reference: [https://git.kernel.org/stable/c/0b4ea4bfe16566b84645ded1403756a2dc4e0f19](https://git.kernel.org/stable/c/0b4ea4bfe16566b84645ded1403756a2dc4e0f19). Because CVE-2024-53197 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2025-04-30. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.

## Threat activity tracking CVE-2024-53197

1 tracked threat in the Threadlinqs corpus references CVE-2024-53197, either in the campaign’s CVE list or as an indicator on the campaign record.

- [Serbian Authorities Deploy Pegasus and NoviSpy Spyware Against Journalists, Opposition Politicians, and Student Protesters](https://intel.threadlinqs.com/threat/TL-2026-2316) — HIGH · 2026-09-03

## Sources

Enriched from CVE.org, NVD, FIRST EPSS, CISA KEV, public proof-of-concept repositories. Last verified by Threadlinqs on 2026-09-21. This product uses the NVD API but is not endorsed or certified by the NVD.

**Other references**

- [git.kernel.org](https://git.kernel.org/stable/c/0b4ea4bfe16566b84645ded1403756a2dc4e0f19)
- [git.kernel.org (9b8460a2a7ce478e0b625af7c56d444dc24190f7)](https://git.kernel.org/stable/c/9b8460a2a7ce478e0b625af7c56d444dc24190f7)
- [git.kernel.org (62dc01c83fa71e10446ee4c31e0e3d5d1291e865)](https://git.kernel.org/stable/c/62dc01c83fa71e10446ee4c31e0e3d5d1291e865)
- [git.kernel.org (9887d859cd60727432a01564e8f91302d361b72b)](https://git.kernel.org/stable/c/9887d859cd60727432a01564e8f91302d361b72b)
- [git.kernel.org (920a369a9f014f10ec282fd298d0666129379f1b)](https://git.kernel.org/stable/c/920a369a9f014f10ec282fd298d0666129379f1b)

_Showing 5 of 9 recorded references._

Canonical: https://intel.threadlinqs.com/cve/CVE-2024-53197
Full detection coverage and IOCs for threats exploiting CVE-2024-53197 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp