CVE-2023-52904 ALSA: usb-audio: Fix possible NULL pointer dereference in snd_usb_pcm_has_fixed_rate()

2024-08-2106:10:44

Linux

www.cve.org

linux kernel vulnerability resolved alsa usb-audio snd_usb_pcm_has_fixed_rate fix cve-2023-52904

EPSS

Percentile

9.5%

JSON

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

ALSA: usb-audio: Fix possible NULL pointer dereference in snd_usb_pcm_has_fixed_rate()

The subs function argument may be NULL, so do not use it before the NULL check.

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "sound/usb/pcm.c"
    ],
    "versions": [
      {
        "version": "e1e0a181aea3",
        "lessThan": "a474d4ad59cd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "291e9da91403",
        "lessThan": "92a9c0ad86d4",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "sound/usb/pcm.c"
    ]
  }
]