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Unity Linux 20.1050e Security Update: kernel (UTSA-2026-007248)

medium Nessus Plugin ID 306890

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-2026-007248 advisory.

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

 binder: check offset alignment in binder_get_object()

 Commit 6d98eb95b450 (binder: avoid potential data leakage when copying txn) introduced changes to how binder objects are copied. In doing so, it unintentionally removed an offset alignment check done through calls to binder_alloc_copy_from_buffer() -> check_buffer().

 These calls were replaced in binder_get_object() with copy_from_user(), so now an explicit offset alignment check is needed here. This avoids later complications when unwinding the objects gets harder.

 It is worth noting this check existed prior to commit 7a67a39320df (binder: add function to copy binder object from buffer), likely removed due to redundancy at the time.

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?a0c57d19

http://www.nessus.org/u?810815f6

https://nvd.nist.gov/vuln/detail/CVE-2024-26926

Plugin Details

Severity: Medium

ID: 306890

File Name: unity_linux_UTSA-2026-007248.nasl

Version: 1.1

Type: Local

Published: 4/17/2026

Updated: 4/17/2026

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-2024-26926

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: 4/17/2026

Vulnerability Publication Date: 4/24/2024

Reference Information

CVE: CVE-2024-26926