Background exploitation KEV catalog

CVE-2024-53197

Linux Kernel Out-of-Bounds Access Vulnerability

CheckOps priority index

4.4/10 Patch within 7 days

Severity7.8

Probability0.4

Exploitation2/5

Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.

EPSS · today 4.1% higher than 90.8% of CVEs

CVSS 3.1 7.8 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:

Exploited for 573 days 09 Apr 2025

CISA due date 30 Apr 2025 for US federal agencies

Exploitation probability EPSS · FIRST

EPSS probability (%)Percentile among all CVEs

Exploitation signals 2 / 5

KEV catalog (CISA)09 Apr 2025
Exploited in EUVD (ENISA)09 Apr 2025
Used by ransomwareno
EPSS above 10 %4.1%
No account, over the networkno

What to do

Fix

Apply the vendor’s fix as soon as it is available.

CISA guidance: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Meanwhile

Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.

Manufacturers (CRA)

Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained

Description ENISA EUVD

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.

Affected products

LinuxKernel

Affected versions

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <9887d859cd60727432a01564e8f91302d361b72b
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <9b8460a2a7ce478e0b625af7c56d444dc24190f7
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <b8f8b81dabe52b413fe9e062e8a852c48dd0680d
patch: 0
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <379d3b9799d9da953391e973b934764f01e03960
patch: 6.6.64
patch: 5.4.287
patch: 6.12.2
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <b909df18ce2a998afef81d58bbd1a05dc0788c40
patch: 6.13
patch: 4.19.325
patch: 6.11.11

Weaknesses (CWE)

CWE-787

Open source packages OSV

Affected libraries according to OSV, with fixed versions.

Timeline

27 Dec 2024
Published
09 Apr 2025
Exploitation reported (ENISA)
09 Apr 2025
Added to the KEV catalog
30 Apr 2025
CISA remediation due date

References

Other exploited vulnerabilities from the same vendor

CVE-2026-46300Linux Kernel Missing Initialization of a Variable Vulnerability
5.4 · Rising fast
CVE-2026-53266Linux Kernel Out-of-Bounds Write Vulnerability
4.7 · Actively exploited
CVE-2025-39964Linux Kernel Race Condition Vulnerability
4.4 · Actively exploited
CVE-2025-39682Linux Kernel Improper Check for Unusual or Exceptional Conditions Vulnerability
5.8 · Actively exploited
CVE-2026-53362Linux Kernel Unspecified Vulnerability
4.3 · Actively exploited
CVE-2022-0995Linux Kernel Out-of-Bounds Write Vulnerability
4.6 · Actively exploited