Information disclosure in Linux kernel - CVE-2022-49013
Published: October 22, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU99115
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-49013
CWE-ID: CWE-200
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to information disclosure within the sctp_sched_rr_init_sid() function in net/sctp/stream_sched_rr.c, within the sctp_sched_prio_init_sid() function in net/sctp/stream_sched_prio.c, within the sctp_sched_fcfs_init_sid() function in net/sctp/stream_sched.c, within the sctp_stream_shrink_out(), sctp_stream_outq_migrate() and sctp_stream_free() functions in net/sctp/stream.c. A local user can gain access to sensitive information.
Affected software
Linux kernel
How to mitigate CVE-2022-49013
Install update from vendor's website.
Linux kernel - addressed in versions 5.4.226, 5.10.158, 5.15.82, 6.0.12, 6.1
External References
- https://git.kernel.org/stable/c/a7555681e50bdebed2c40ff7404ee73c2e932993
- https://git.kernel.org/stable/c/176ee6c673ccd118e9392fd2dbb165423bdb99ca
- https://git.kernel.org/stable/c/0dfb9a566327182387c90100ea54d8426cee8c67
- https://git.kernel.org/stable/c/fa20f88271259d42ebe66f0a8c4c20199e888c99
- https://git.kernel.org/stable/c/9ed7bfc79542119ac0a9e1ce8a2a5285e43433e9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.158
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.82
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.226
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1