Input validation error in Linux kernel - CVE-2023-52677

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Main Vulnerability Database Vulnerabilities #VU93679

Input validation error in Linux kernel - CVE-2023-52677

Published: July 2, 2024 / Updated: May 13, 2025


Vulnerability identifier: #VU93679
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-2023-52677
CWE-ID: CWE-20
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 improper input validation within the ALIGN() function in arch/riscv/kernel/vmlinux.lds.S, within the INIT_TEXT_SECTION() function in arch/riscv/kernel/vmlinux-xip.lds.S, within the is_kernel_exittext() and patch_map() functions in arch/riscv/kernel/patch.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
openEuler
Ubuntu
kernel-debuginfo
python3-perf
perf
kernel-tools-debuginfo
python3-perf-debuginfo
kernel-source
kernel-tools
perf-debuginfo
kernel-debugsource
kernel-devel
kernel-tools-devel
kernel-headers
kernel
linux-image-virtual-hwe-22.04 (Ubuntu package)
linux-image-generic-hwe-22.04 (Ubuntu package)
linux-image-generic-64k-hwe-22.04 (Ubuntu package)
linux-image-6.5.0-41-generic-64k (Ubuntu package)
linux-image-6.5.0-41-generic (Ubuntu package)
linux-image-laptop-23.10 (Ubuntu package)
linux-image-6.5.0-1017-laptop (Ubuntu package)
linux-image-6.5.0-1021-nvidia-64k (Ubuntu package)
linux-image-6.5.0-1021-nvidia (Ubuntu package)
linux-image-nvidia-64k-6.5 (Ubuntu package)
linux-image-nvidia-64k-hwe-22.04 (Ubuntu package)
linux-image-nvidia-hwe-22.04 (Ubuntu package)
linux-image-nvidia-6.5 (Ubuntu package)

How to mitigate CVE-2023-52677

Install update from vendor's website.

Linux kernel - addressed in versions 5.15.148, 6.1.75, 6.6.14, 6.7.2, 6.8
kernel-debuginfo - addressed in versions 5.10.0-136.79.0.159, 5.10.0-202.0.0.115
python3-perf - addressed in versions 5.10.0-136.79.0.159, 5.10.0-202.0.0.115
perf - addressed in versions 5.10.0-136.79.0.159, 5.10.0-202.0.0.115
kernel-tools-debuginfo - addressed in versions 5.10.0-136.79.0.159, 5.10.0-202.0.0.115
python3-perf-debuginfo - addressed in versions 5.10.0-136.79.0.159, 5.10.0-202.0.0.115
kernel-source - addressed in versions 5.10.0-136.79.0.159, 5.10.0-202.0.0.115
kernel-tools - addressed in versions 5.10.0-136.79.0.159, 5.10.0-202.0.0.115
perf-debuginfo - addressed in versions 5.10.0-136.79.0.159, 5.10.0-202.0.0.115
kernel-debugsource - addressed in versions 5.10.0-136.79.0.159, 5.10.0-202.0.0.115
kernel-devel - addressed in versions 5.10.0-136.79.0.159, 5.10.0-202.0.0.115
kernel-tools-devel - addressed in versions 5.10.0-136.79.0.159, 5.10.0-202.0.0.115
kernel-headers - addressed in versions 5.10.0-136.79.0.159, 5.10.0-202.0.0.115
kernel - addressed in versions 5.10.0-136.79.0.159, 5.10.0-202.0.0.115
linux-image-virtual-hwe-22.04 (Ubuntu package) - update to 6.5.0.41.41~22.04.2
linux-image-generic-hwe-22.04 (Ubuntu package) - update to 6.5.0.41.41~22.04.2
linux-image-generic-64k-hwe-22.04 (Ubuntu package) - update to 6.5.0.41.41~22.04.2
linux-image-6.5.0-41-generic-64k (Ubuntu package) - update to 6.5.0-41.41~22.04.2
linux-image-6.5.0-41-generic (Ubuntu package) - update to 6.5.0-41.41~22.04.2
linux-image-laptop-23.10 (Ubuntu package) - update to 6.5.0.1017.20
linux-image-6.5.0-1017-laptop (Ubuntu package) - update to 6.5.0-1017.20
linux-image-6.5.0-1021-nvidia-64k (Ubuntu package) - update to 6.5.0-1021.22
linux-image-6.5.0-1021-nvidia (Ubuntu package) - update to 6.5.0-1021.22
linux-image-nvidia-64k-6.5 (Ubuntu package) - update to 6.5.0.1021.29
linux-image-nvidia-64k-hwe-22.04 (Ubuntu package) - update to 6.5.0.1021.29
linux-image-nvidia-hwe-22.04 (Ubuntu package) - update to 6.5.0.1021.29
linux-image-nvidia-6.5 (Ubuntu package) - update to 6.5.0.1021.29

External References

Related Security Bulletins