CVE-2023-53648

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

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

ALSA: ac97: Fix possible NULL dereference in snd_ac97_mixer

smatch error: sound/pci/ac97/ac97_codec.c:2354 snd_ac97_mixer() error: we previously assumed 'rac97' could be null (see line 2072)

remove redundant assignment, return error if rac97 is NULL.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Oct 7, 2025
Last modified
Jun 17, 2026
NVD status
Analyzed

Related CVEs from 2023

CVE-2023-536495.5In the Linux kernel, the following vulnerability has been resolved: perf trace: Really free the evsel->priv area In 3cb4d5e00e037c70 ("perCVE-2023-53659.8HP LIFE Android Mobile application is potentially vulnerable to escalation of privilege and/or information disclosure.CVE-2023-536505.5In the Linux kernel, the following vulnerability has been resolved: fbdev: omapfb: lcd_mipid: Fix an error handling path in mipid_spi_probeCVE-2023-536515.5In the Linux kernel, the following vulnerability has been resolved: Input: exc3000 - properly stop timer on shutdown We need to stop the tCVE-2023-536527.8In the Linux kernel, the following vulnerability has been resolved: vdpa: Add features attr to vdpa_nl_policy for nlattr length check The CVE-2023-536535.5In the Linux kernel, the following vulnerability has been resolved: media: amphion: fix REVERSE_INULL issues reported by coverity null-cheCVE-2023-536545.5In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: Add validation before accessing cgx and lmac with the adCVE-2023-536555.5In the Linux kernel, the following vulnerability has been resolved: rcu: Avoid stack overflow due to __rcu_irq_enter_check_tick() being kprCVE-2023-536565.5In the Linux kernel, the following vulnerability has been resolved: drivers/perf: hisi: Don't migrate perf to the CPU going to teardown ThCVE-2023-536575.5In the Linux kernel, the following vulnerability has been resolved: ice: Don't tx before switchdev is fully configured There is possibilitCVE-2023-536585.5In the Linux kernel, the following vulnerability has been resolved: spi: bcm-qspi: return error if neither hif_mspi nor mspi is available CVE-2023-536597.1In the Linux kernel, the following vulnerability has been resolved: iavf: Fix out-of-bounds when setting channels on remove If we set chan
CVE-2023-53648: Medium severity, CVSS 5.5 | Vulnix