CVE-2023-0266

Known Exploited Vulnerability Entry External Catalog

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Entry Details

CVE-2023-0266

Confirmed

Yes

2023-03-30 00:00 UTC

Timestamps

2023-03-30

2023-03-30

Scope

KEV entry: Linux Kernel Use-After-Free Vulnerability | Affected: Linux / Kernel | Description: Linux kernel contains a use-after-free vulnerability that allows for privilege escalation to gain ring0 access from the system user. | Required action: Apply updates per vendor instructions. | Due date: 2023-04-20 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-5.10/alsa-pcm-move-rwsem-lock-inside-snd_ctl_elem_read-to-prevent-uaf.patch?id=72783cf35e6c55bca84c4bb7b776c58152856fd4; https://nvd.nist.gov/vuln/detail/CVE-2023-0266

References
  • {'id': 'CVE-2023-0266', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-0266'}

7c3b810a-59ea-403b-9dcd-ffa647e2d805

405284c2-e461-4670-8979-7fd2c9755a60

2026-02-02 13:25 UTC

2026-02-06 07:53 UTC

Evidence (1)
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-416"
  ],
  "date_added": "2023-03-30",
  "due_date": "2023-04-20",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "Kernel",
  "vendorProject": "Linux",
  "vulnerabilityName": "Linux Kernel Use-After-Free Vulnerability"
}
 -
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