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CVE-2026-89748 tracing: Fix retry exhaustion in simple ring buffer reader swap

🗓️ 11 Sep 2026 19:46:53Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 39 Views

Retry exhaustion logic bug in Linux kernel tracing ring buffer may corrupt the ring.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-89748
13 Sep 202616:01
–circl
cve
CVE
CVE-2026-89748
11 Sep 202619:46
–cve
debiancve
Debian CVE
CVE-2026-89748
11 Sep 202619:46
–debiancve
euvd
EUVD
EUVD-2026-76660
11 Sep 202619:46
–euvd
nvd
NVD
CVE-2026-89748
11 Sep 202620:20
–nvd
osv
OSV
BELL-CVE-2026-89748 CVE-2026-89748 does not affect BellSoft software
15 Sep 202606:05
–osv
osv
OSV
DEBIAN-CVE-2026-89748
11 Sep 202620:20
–osv
osv
OSV
OPENSUSE-SU-2026:11880-1 kernel-devel-7.2.7-1.1 on GA media
24 Sep 202600:00
–osv
osv
OSV
UBUNTU-CVE-2026-89748
11 Sep 202620:20
–osv
ptsecurity
Positive Technologies
PT-2026-90464
11 Sep 202600:00
–ptsecurity
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/trace/simple_ring_buffer.c"
    ],
    "versions": [
      {
        "version": "34e5b958bdad0f9cf16306368bbc2dc5b2a50143",
        "lessThan": "df02489aa3aa1834659f0d20c89f7d212047d268",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "34e5b958bdad0f9cf16306368bbc2dc5b2a50143",
        "lessThan": "e0d3aed7b12cf37b74c7cc5265073d0263b49cde",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/trace/simple_ring_buffer.c"
    ],
    "versions": [
      {
        "version": "7.1",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "7.1",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.4",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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13 Sep 2026 06:33Current
CVSS 3.17.8
EPSS0.00165
39