SB20250502292 - Buffer overflow in Linux kernel ipv4
Published: May 2, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250502292
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) Buffer overflow (CVE-ID: CVE-2022-49775)
CWE-ID: CWE-119 - Memory corruption
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 memory corruption within the tcp_cdg_init() and tcp_cdg_release() functions in net/ipv4/tcp_cdg.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/0b19171439016a8e4c97eafe543670ac86e2b8fe
- https://git.kernel.org/stable/c/1b639be27cbf428a5ca01dcf8b5d654194c956f8
- https://git.kernel.org/stable/c/35309be06b6feded2ab2cafbc2bca8534c2fa41e
- https://git.kernel.org/stable/c/4026033907cc6186d86b48daa4a252c860db2536
- https://git.kernel.org/stable/c/72e560cb8c6f80fc2b4afc5d3634a32465e13a51
- https://git.kernel.org/stable/c/78be2ee0112409ae4e9ee9e326151e0559b3d239
- https://git.kernel.org/stable/c/9e481d87349d2282f400ee1d010a169c99f766b8
- https://git.kernel.org/stable/c/b49026d9c86f35a4c5bfb8d7345c9c4379828c6b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.80