PT-2024-36868 · Linux+2 · Linux Kernel+2

Max Kellermann · Published 2024-11-23 · Updated 2025-09-23 · CVE-2024-56563

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A credential leak issue has been resolved in the Linux kernel. The problem occurred because get current cred() increments the reference counter, but the corresponding put cred() call was missing in the ceph mds check access() function.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Weakness Enumeration

CWE-763

CWE-911

CWE-664

Related Identifiers

BDU:2026-03533

CVE-2024-56563

USN-7379-1

USN-7379-2

USN-7380-1

USN-7381-1

USN-7382-1

Affected Products

Linuxmint

Linux Kernel

Ubuntu

References · 342

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/56xxx/CVE-2024-56563.json · Exploit
• https://ubuntu.com/security/CVE-2024-56639 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-56593 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-56602 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-56594 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-36476 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-56659 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2024-56563 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-56580 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-56588 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-57791 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-57799 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-52319 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-56622 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-56667 · Vendor Advisory