#VU99189 Incorrect calculation in Linux kernel - CVE-2024-47703
Published: October 22, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU99189
Vulnerability risk: Low
CVSSv4.0: 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/E:U/U:Clear
CVE-ID: CVE-2024-47703
CWE-ID: CWE-682
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect calculation within the mark_reg_unknown(), check_packet_access(), check_ctx_access(), check_stack_access_within_bounds(), check_mem_access() and check_return_code() functions in kernel/bpf/verifier.c, within the btf_ctx_access() function in kernel/bpf/btf.c, within the BTF_SET_START() function in kernel/bpf/bpf_lsm.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/1050727d83e70449991c29dd1cf29fe936a63da3
- https://git.kernel.org/stable/c/27ca3e20fe80be85a92b10064dfeb56cb2564b1c
- https://git.kernel.org/stable/c/5d99e198be279045e6ecefe220f5c52f8ce9bfd5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12