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CVE-2026-89603: Undefined Security Weakness

🗓️ 11 Sep 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

Race condition in Linux kernel seccomp bypass via ptrace with TSYNC allows prohibited syscalls.

Related
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-89603
11 Sep 202619:45
–cve
cvelist
Cvelist
CVE-2026-89603 entry: Fix seccomp bypass after ptrace with TSYNC
11 Sep 202619:45
–cvelist
debiancve
Debian CVE
CVE-2026-89603
11 Sep 202619:45
–debiancve
euvd
EUVD
EUVD-2026-76515
11 Sep 202619:45
–euvd
nvd
NVD
CVE-2026-89603
11 Sep 202620:19
–nvd
osv
OSV
AZL-100500 CVE-2026-89603 affecting package kernel 6.6.152.1-1
11 Sep 202620:19
–osv
osv
OSV
BELL-CVE-2026-89603
15 Sep 202606:05
–osv
osv
OSV
DEBIAN-CVE-2026-89603
11 Sep 202620:19
–osv
osv
OSV
UBUNTU-CVE-2026-89603
11 Sep 202620:19
–osv
ptsecurity
Positive Technologies
PT-2026-90319
11 Sep 202600:00
–ptsecurity
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14 Sep 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.18.4
EPSS0.00181
0