Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
Low
Attack Vector
Local
0

CVE-2022-49013

Disclosure Date: October 21, 2024 •
CVE-2022-49013 CVSS v3 Base Score: 5.5
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

In the Linux kernel, the following vulnerability has been resolved:

sctp: fix memory leak in sctp_stream_outq_migrate()

When sctp_stream_outq_migrate() is called to release stream out resources,
the memory pointed to by prio_head in stream out is not released.

The memory leak information is as follows:
unreferenced object 0xffff88801fe79f80 (size 64):
comm “sctp_repo”, pid 7957, jiffies 4294951704 (age 36.480s)
hex dump (first 32 bytes):

 80 9f e7 1f 80 88 ff ff 80 9f e7 1f 80 88 ff ff  ................
 90 9f e7 1f 80 88 ff ff 90 9f e7 1f 80 88 ff ff  ................

backtrace:

 [<ffffffff81b215c6>] kmalloc_trace+0x26/0x60
 [<ffffffff88ae517c>] sctp_sched_prio_set+0x4cc/0x770
 [<ffffffff88ad64f2>] sctp_stream_init_ext+0xd2/0x1b0
 [<ffffffff88aa2604>] sctp_sendmsg_to_asoc+0x1614/0x1a30
 [<ffffffff88ab7ff1>] sctp_sendmsg+0xda1/0x1ef0
 [<ffffffff87f765ed>] inet_sendmsg+0x9d/0xe0
 [<ffffffff8754b5b3>] sock_sendmsg+0xd3/0x120
 [<ffffffff8755446a>] __sys_sendto+0x23a/0x340
 [<ffffffff87554651>] __x64_sys_sendto+0xe1/0x1b0
 [<ffffffff89978b49>] do_syscall_64+0x39/0xb0
 [<ffffffff89a0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

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CVSS V3 Severity and Metrics
Base Score:
5.5 Medium
Impact Score:
3.6
Exploitability Score:
1.8
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High

General Information

Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
Linux a7555681e50b
Linux not down converted
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown

Vendors

  • linux

Products

  • linux kernel,
  • linux kernel 6.1
Technical Analysis