How severe is CVE-2024-56563?

CVE-2024-56563 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2024-56563 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-56563?

CVE-2024-56563 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-56563?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-56563 have an EU (EUVD) identifier?

Yes. CVE-2024-56563 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-53211.

When was CVE-2024-56563 published?

CVE-2024-56563 was published on 2024-12-27 and last updated on 2026-06-17.

CVE-2024-56563

CVE-2024-56563 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-53211
Affected product: Linux Linux Kernel
Published: 2024-12-27
Last modified: 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: ceph: fix cred leak in ceph_mds_check_access() get_current_cred() increments the reference counter, but the put_cred() call was missing.

Frequently asked questions

What is CVE-2024-56563?: In the Linux kernel, the following vulnerability has been resolved: ceph: fix cred leak in ceph_mds_check_access() get_current_cred() increments the reference counter, but the put_cred() call was missing.
How severe is CVE-2024-56563?: CVE-2024-56563 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2024-56563 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-56563?: CVE-2024-56563 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-56563?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-56563 have an EU (EUVD) identifier?: Yes. CVE-2024-56563 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-53211.
When was CVE-2024-56563 published?: CVE-2024-56563 was published on 2024-12-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

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