{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2023-28328", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "dateUpdated": "2024-08-02T12:38:24.551Z", "dateReserved": "2023-03-14T00:00:00", "datePublished": "2023-04-19T00:00:00"}, "containers": {"cna": {"affected": [{"product": "Linux", "vendor": "n/a", "versions": [{"status": "affected", "version": "Linux Kernel prior to kernel 6.2 RC1", "versionType": "custom", "lessThan": "6.2"}]}], "descriptions": [{"lang": "en", "value": "A NULL pointer dereference flaw was found in the az6027 driver in drivers/media/usb/dev-usb/az6027.c in the Linux Kernel. The message from user space is not checked properly before transferring into the device. This flaw allows a local user to crash the system or potentially cause a denial of service."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-476", "description": "CWE-476", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2024-07-12T19:06:05.518Z"}, "references": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2177389"}, {"name": "[debian-lts-announce] 20230502 [SECURITY] [DLA 3404-1] linux-5.10 security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html"}, {"name": "[debian-lts-announce] 20230503 [SECURITY] [DLA 3403-1] linux security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T12:38:24.551Z"}, "title": "CVE Program Container", "references": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2177389", "tags": ["x_transferred"]}, {"name": "[debian-lts-announce] 20230502 [SECURITY] [DLA 3404-1] linux-5.10 security update", "tags": ["mailing-list", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html"}, {"name": "[debian-lts-announce] 20230503 [SECURITY] [DLA 3403-1] linux security update", "tags": ["mailing-list", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html"}]}]}}

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{"acknowledgement": "Red Hat would like to thank Wei Chen for reporting this issue.", "affected_release": [{"advisory": "RHSA-2023:6901", "cpe": "cpe:/a:redhat:enterprise_linux:8::nfv", "package": "kernel-rt-0:4.18.0-513.5.1.rt7.307.el8_9", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-11-14T00:00:00Z"}, {"advisory": "RHSA-2023:7077", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-513.5.1.el8_9", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-11-14T00:00:00Z"}, {"advisory": "RHSA-2024:0724", "cpe": "cpe:/o:redhat:rhel_eus:8.6", "package": "kernel-0:4.18.0-372.91.1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2024-02-07T00:00:00Z"}, {"advisory": "RHSA-2024:0575", "cpe": "cpe:/o:redhat:rhel_eus:8.8", "package": "kernel-0:4.18.0-477.43.1.el8_8", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2024-01-30T00:00:00Z"}, {"advisory": "RHSA-2024:0724", "cpe": "cpe:/o:redhat:rhev_hypervisor:4.4::el8", "package": "kernel-0:4.18.0-372.91.1.el8_6", "product_name": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 8", "release_date": "2024-02-07T00:00:00Z"}], "bugzilla": {"description": "kernel: Denial of service issue in az6027 driver in drivers/media/usb/dev-usb/az6027.c", "id": "2177389", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2177389"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-476", "details": ["A NULL pointer dereference flaw was found in the az6027 driver in drivers/media/usb/dev-usb/az6027.c in the Linux Kernel. The message from user space is not checked properly before transferring into the device. This flaw allows a local user to crash the system or potentially cause a denial of service.", "A NULL pointer dereference flaw was found in the az6027 driver in drivers/media/usb/dev-usb/az6027.c in the Linux Kernel. The message from user space is not checked properly before transferring into the device. This flaw allows a local user to crash the system or potentially cause a denial of service."], "name": "CVE-2023-28328", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2022-11-18T06:30:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-28328\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-28328\nhttps://lore.kernel.org/linux-media/20221120065918.2160782-1-zhongbaisong@huawei.com/\nhttps://lore.kernel.org/lkml/CAO4mrfcPHB5aQJO=mpqV+p8mPLNg-Fok0gw8gZ=zemAfMGTzMg@mail.gmail.com/"], "statement": "This flaw can be mitigated by preventing the affected dvb_usb_az6027 kernel module from loading during the boot time. Ensure the module is added into the blacklist file.\n~~~\nRefer: \nHow do I blacklist a kernel module to prevent it from loading automatically? \nhttps://access.redhat.com/solutions/41278\n~~~", "threat_severity": "Moderate", "upstream_fix": "kernel 6.2 RC1"}