Skip to content
CVE Tracker
  • Newest CVEsPage
  • Recently added to KEVPage
  • Rising exploitation (EPSS)Page
  • Weekly digestPage
  • StatisticsPage
  • WatchlistPage
  • API documentationPage
  • MCP serverPage
  • Data sourcesPage
  • ChangelogPage
  • AboutPage
  • How it's builtPage
Back

CVE-2026-47334

Deadlock or kernel panic in Ubuntu Linux AppArmor notification handling

Medium5.5EPSS 0.08%
Published
Updated
Reserved
Assigned by
canonical

Description

Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock in notification handling code. The bug can be triggered by an unprivileged local user and can result in kernel panic or deadlock.

Scores

CVSS scores of CVE-2026-47334, by who scored it
Scored byCVSSScoreVector
canonicalCNA (assigner)3.1Medium5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVDNVD · Analyzed3.1Medium5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
0.08% · top 100% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.

Weakness

Affected products

  • Canonical · Ubuntu Linux

    • affected 6.8.0 – < 6.8.0-124.124
    • affected 6.17.0 – < 6.17.0-35.35
    • affected 7.0.0 – < 7.0.0-22.22

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2026-47334 badge
[![CVE-2026-47334](https://trackcve.app/badge/CVE-2026-47334.svg)](https://trackcve.app/cve/CVE-2026-47334)

Record last updated .