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Unity Linux 20.1070e Security Update: kernel (UTSA-2025-986934)

medium Nessus Plugin ID 268405

Synopsis

The Unity Linux host is missing one or more security updates.

Description

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986934 advisory.

 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

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected kernel package.

See Also

http://www.nessus.org/u?f2657778

http://www.nessus.org/u?478fb2c2

https://nvd.nist.gov/vuln/detail/CVE-2022-49013

Plugin Details

Severity: Medium

ID: 268405

File Name: unity_linux_UTSA-2025-986934.nasl

Version: 1.2

Type: local

Published: 10/7/2025

Updated: 10/15/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

CVSS Score Source: CVE-2022-49013

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/UOS-Server/release, Host/UOS-Server/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 9/23/2025

Vulnerability Publication Date: 6/12/2024

Reference Information

CVE: CVE-2022-49013