SB20241022160 - Input validation error in Linux kernel
Published: October 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB20241022160
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) Input validation error (CVE-ID: CVE-2024-47702)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the bpf_skb_is_valid_access(), xdp_is_valid_access() and flow_dissector_is_valid_access() functions in net/core/filter.c, within the check_packet_access() and check_mem_access() functions in kernel/bpf/verifier.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/f1620c93a1ec950d87ef327a565d3907736d3340
- https://git.kernel.org/stable/c/f09757fe97a225ae505886eac572e4cbfba96537
- https://git.kernel.org/stable/c/92de36080c93296ef9005690705cba260b9bd68a
- 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