CVE-2024-46783
kernel: tcp_bpf: fix return value of tcp_bpf_sendmsg()
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 18, 2024
Updated · October 29, 2026
Description
A flaw was found in the Linux kernel's tcp_bpf component. A local attacker with low privileges could exploit a vulnerability in the tcp_bpf_sendmsg() function. This flaw occurs when messages are handled in a specific way, leading to an unexpected negative return value. Successful exploitation can cause a kernel bug, resulting in a system crash and a Denial of Service (DoS).
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-190 · Integer Overflow or Wraparound