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{"bugzilla": {"description": "kernel: ALSA: hda: Do not unset preset when cleaning up codec", "id": "2282714", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2282714"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-459", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nALSA: hda: Do not unset preset when cleaning up codec\nSeveral functions that take part in codec's initialization and removal\nare re-used by ASoC codec drivers implementations. Drivers mimic the\nbehavior of hda_codec_driver_probe/remove() found in\nsound/pci/hda/hda_bind.c with their component->probe/remove() instead.\nOne of the reasons for that is the expectation of\nsnd_hda_codec_device_new() to receive a valid pointer to an instance of\nstruct snd_card. This expectation can be met only once sound card\ncomponents probing commences.\nAs ASoC sound card may be unbound without codec device being actually\nremoved from the system, unsetting ->preset in\nsnd_hda_codec_cleanup_for_unbind() interferes with module unload -> load\nscenario causing null-ptr-deref. Preset is assigned only once, during\ndevice/driver matching whereas ASoC codec driver's module reloading may\noccur several times throughout the lifetime of an audio stack."], "name": "CVE-2023-52736", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "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:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52736\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52736\nhttps://lore.kernel.org/linux-cve-announce/2024052100-CVE-2023-52736-ff92@gregkh/T"], "threat_severity": "Low"}