Resource management error in Linux kernel - CVE-2023-52499
Published: June 25, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU93300
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-52499
CWE-ID: CWE-399
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the lwz r5,icache_44x_need_flush@l() and stw r7,icache_44x_need_flush@l() functions in arch/powerpc/kernel/entry_32.S. A local user can perform a denial of service (DoS) attack.
Affected software
Linux kernel
How to mitigate CVE-2023-52499
Install update from vendor's website.
Linux kernel - addressed in versions 5.15.137, 6.1.59, 6.5.8, 6.6
External References
- https://git.kernel.org/stable/c/29017ab1a539101d9c7bec63cc13a019f97b2820
- https://git.kernel.org/stable/c/8ac2689502f986a46f4221e239d4ff2897f1ccb3
- https://git.kernel.org/stable/c/70f6756ad96dd70177dddcfac2fe4bd4bb320746
- https://git.kernel.org/stable/c/f0eee815babed70a749d2496a7678be5b45b4c14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.137
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.59
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6