PT-2025-53983 · Linux+2 · Linux Kernel+2
Published
2022-10-24
·
Updated
2026-02-12
·
CVE-2022-50865
CVSS v2.0
7.8
High
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:C |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
A signed-integer-overflow bug exists in the
tcp add backlog() function within the TCP implementation of the Linux kernel. The sk rcvbuf and sk sndbuf variables within the struct sock are of type int. When calculating a limit within tcp add backlog(), the sum of sk rcvbuf, sk sndbuf, and 64 * 1024 may exceed the maximum value of an int, leading to an overflow. The issue is addressed by reducing the limit budget by halving the sndbuf, as ACK packets are typically smaller than the payload.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Integer Overflow
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Weakness Enumeration
Related Identifiers
Affected Products
Linux Kernel
Red Hat
Rocky Linux