SB20250502147 - Out-of-bounds read in Linux kernel net sctp
Published: May 2, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250502147
CSH 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 vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2022-49792)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 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
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the sctp_transport_free() function in net/sctp/transport.c, within the sctp_writeable(), sctp_sendmsg_to_asoc(), sctp_sock_rfree() and sctp_wait_for_sndbuf() functions in net/sctp/socket.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/1678d4abb2dc2ca3b05b998a9d88616976e4f947
- https://git.kernel.org/stable/c/399b2105a2240e730b9f3880bd8f154247539aa7
- https://git.kernel.org/stable/c/ca1547ab15f48dc81624183ae17a2fd1bad06dfc
- https://git.kernel.org/stable/c/d95b85c5084ad70011988861ee864529eefa1da0
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.156