#%NASL_MIN_LEVEL 80900 ## # (C) Tenable, Inc. ## include('compat.inc'); if (description) { script_id(308719); script_version("1.1"); script_set_attribute(attribute:"plugin_modification_date", value:"2026/04/21"); script_cve_id("CVE-2023-53637"); script_name(english:"Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011175)"); script_set_attribute(attribute:"synopsis", value: "The Unity Linux host is missing one or more security updates."); script_set_attribute(attribute:"description", value: "The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011175 advisory. In the Linux kernel, the following vulnerability has been resolved: media: i2c: ov772x: Fix memleak in ov772x_probe() A memory leak was reported when testing ov772x with bpf mock device: AssertionError: unreferenced object 0xffff888109afa7a8 (size 8): comm python3, pid 279, jiffies 4294805921 (age 20.681s) hex dump (first 8 bytes): 80 22 88 15 81 88 ff ff ....... backtrace: [<000000009990b438>] __kmalloc_node+0x44/0x1b0 [<000000009e32f7d7>] kvmalloc_node+0x34/0x180 [<00000000faf48134>] v4l2_ctrl_handler_init_class+0x11d/0x180 [videodev] [<00000000da376937>] ov772x_probe+0x1c3/0x68c [ov772x] [<000000003f0d225e>] i2c_device_probe+0x28d/0x680 [<00000000e0b6db89>] really_probe+0x17c/0x3f0 [<000000001b19fcee>] __driver_probe_device+0xe3/0x170 [<0000000048370519>] driver_probe_device+0x49/0x120 [<000000005ead07a0>] __device_attach_driver+0xf7/0x150 [<0000000043f452b8>] bus_for_each_drv+0x114/0x180 [<00000000358e5596>] __device_attach+0x1e5/0x2d0 [<0000000043f83c5d>] bus_probe_device+0x126/0x140 [<00000000ee0f3046>] device_add+0x810/0x1130 [<00000000e0278184>] i2c_new_client_device+0x359/0x4f0 [<0000000070baf34f>] of_i2c_register_device+0xf1/0x110 [<00000000a9f2159d>] of_i2c_notify+0x100/0x160 unreferenced object 0xffff888119825c00 (size 256): comm python3, pid 279, jiffies 4294805921 (age 20.681s) hex dump (first 32 bytes): 00 b4 a5 17 81 88 ff ff 00 5e 82 19 81 88 ff ff .........^...... 10 5c 82 19 81 88 ff ff 10 5c 82 19 81 88 ff ff .\.......\...... backtrace: [<000000009990b438>] __kmalloc_node+0x44/0x1b0 [<000000009e32f7d7>] kvmalloc_node+0x34/0x180 [<0000000073d88e0b>] v4l2_ctrl_new.cold+0x19b/0x86f [videodev] [<00000000b1f576fb>] v4l2_ctrl_new_std+0x16f/0x210 [videodev] [<00000000caf7ac99>] ov772x_probe+0x1fa/0x68c [ov772x] [<000000003f0d225e>] i2c_device_probe+0x28d/0x680 [<00000000e0b6db89>] really_probe+0x17c/0x3f0 [<000000001b19fcee>] __driver_probe_device+0xe3/0x170 [<0000000048370519>] driver_probe_device+0x49/0x120 [<000000005ead07a0>] __device_attach_driver+0xf7/0x150 [<0000000043f452b8>] bus_for_each_drv+0x114/0x180 [<00000000358e5596>] __device_attach+0x1e5/0x2d0 [<0000000043f83c5d>] bus_probe_device+0x126/0x140 [<00000000ee0f3046>] device_add+0x810/0x1130 [<00000000e0278184>] i2c_new_client_device+0x359/0x4f0 [<0000000070baf34f>] of_i2c_register_device+0xf1/0x110 The reason is that if priv->hdl.error is set, ov772x_probe() jumps to the error_mutex_destroy without doing v4l2_ctrl_handler_free(), and all resources allocated in v4l2_ctrl_handler_init() and v4l2_ctrl_new_std() are leaked. 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."); # https://src.uniontech.com/#/security_advisory_detail?utsa_id=UTSA-2026-011175 script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?a49284c4"); # https://lore.kernel.org/linux-cve-announce/2025100715-CVE-2023-53637-32c9@gregkh script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?cb701ceb"); script_set_attribute(attribute:"see_also", value:"https://nvd.nist.gov/vuln/detail/CVE-2023-53637"); script_set_attribute(attribute:"solution", value: "Update the affected kernel package."); script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C"); script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C"); script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"); script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C"); script_set_attribute(attribute:"cvss_score_source", value:"CVE-2023-53637"); script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available"); script_set_attribute(attribute:"exploit_available", value:"false"); script_set_attribute(attribute:"vuln_publication_date", value:"2021/07/21"); script_set_attribute(attribute:"patch_publication_date", value:"2026/04/20"); script_set_attribute(attribute:"plugin_publication_date", value:"2026/04/21"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"generated_plugin", value:"current"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_family(english:"Unity Linux Local Security Checks"); script_copyright(english:"This script is Copyright (C) 2026 and is owned by Tenable, Inc. or an Affiliate thereof."); script_dependencies("ssh_get_info2.nasl"); script_require_keys("Host/local_checks_enabled", "Host/UOS-Server/release", "Host/UOS-Server/rpm-list", "Host/cpu"); exit(0); } include('rpm2.inc'); if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); var os_product = get_kb_item('installed_os/local/SSH/0/product'); if (isnull(os_product) || 'UOS Server' >!< os_product) audit(AUDIT_OS_NOT, 'UOS Server'); var os_version = get_kb_item('installed_os/local/SSH/0/version'); if (isnull(os_version)) audit(AUDIT_UNKNOWN_APP_VER, 'UOS Server'); if (! preg(pattern:"^20.1060e|20.1070e([^0-9]|$)", string:os_version)) audit(AUDIT_OS_NOT, 'UOS Server 20.1060e / 20.1070e', 'UOS Server ' + os_version); if (!get_kb_item('Host/UOS-Server/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING); var cpu = get_kb_item('Host/cpu'); if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH); if ('aarch64' >!< cpu && 'amd64' >!< cpu && 'sw_64' >!< cpu && 'x86_64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'UOS Server', cpu); var constraints = [ { 'release': '20', 'sp': '1060e', 'pkgs': [ {'reference':'kernel-5.10.0-38', 'sp':'1060e', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE}, {'reference':'kernel-5.10.0-38', 'sp':'1060e', 'cpu':'amd64', 'rpm_spec_vers_cmp':TRUE}, {'reference':'kernel-5.10.0-38', 'sp':'1060e', 'cpu':'sw_64', 'rpm_spec_vers_cmp':TRUE}, {'reference':'kernel-5.10.0-38', 'sp':'1060e', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE} ] }, { 'release': '20', 'sp': '1070e', 'pkgs': [ {'reference':'kernel-5.10.0-38', 'sp':'1070e', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE}, {'reference':'kernel-5.10.0-38', 'sp':'1070e', 'cpu':'amd64', 'rpm_spec_vers_cmp':TRUE}, {'reference':'kernel-5.10.0-38', 'sp':'1070e', 'cpu':'sw_64', 'rpm_spec_vers_cmp':TRUE}, {'reference':'kernel-5.10.0-38', 'sp':'1070e', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE} ] } ]; var os_release = get_one_kb_item('installed_os/local/SSH/0/release'); var os_sp = get_one_kb_item('Host/*/minor_release'); var flag = 0; var reference; var sp; var _cpu; var el_string; var rpm_spec_vers_cmp; var epoch; var allowmaj; var exists_check; var cves; foreach var constraint ( constraints ) { # Check that the target release is equal to the affected release if (!empty_or_null(constraint['release'])){ if (constraint['release'] != os_release) continue; } if (!empty_or_null(constraint['sp'])){ if (constraint['sp'] != os_sp) continue; } foreach var pkg ( constraint['pkgs'] ) { reference = NULL; sp = NULL; _cpu = NULL; el_string = NULL; rpm_spec_vers_cmp = NULL; epoch = NULL; allowmaj = NULL; exists_check = NULL; cves = NULL; if (!empty_or_null(pkg['reference'])) reference = pkg['reference']; if (!empty_or_null(pkg['sp'])) sp = pkg['sp']; if (!empty_or_null(pkg['cpu'])) _cpu = pkg['cpu']; if (!empty_or_null(pkg['el_string'])) el_string = pkg['el_string']; if (!empty_or_null(pkg['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = pkg['rpm_spec_vers_cmp']; if (!empty_or_null(pkg['epoch'])) epoch = pkg['epoch']; if (!empty_or_null(pkg['allowmaj'])) allowmaj = pkg['allowmaj']; if (!empty_or_null(pkg['exists_check'])) exists_check = pkg['exists_check']; if (!empty_or_null(pkg['cves'])) cves = pkg['cves']; if (reference && ## (no known rpm to check OR known rpm_exists) (!exists_check || rpm_exists(rpm:exists_check)) && rpm_check(sp:sp, cpu:_cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj, cves:cves)) flag++; } } if (flag) { security_report_v4( port : 0, severity : SECURITY_WARNING, extra : rpm_report_get() ); exit(0); } else { var tested = pkg_tests_get(); if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested); else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'kernel'); }

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