SB20241022301 - Incorrect calculation in Linux kernel
Published: October 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB20241022301
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Incorrect calculation (CVE-ID: CVE-2024-47703)
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.
References
- 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