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CVE-2026-89791: Undefined Security Weakness

🗓️ 16 Sep 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

Use-after-free in Linux kernel perf mmap() allows local privilege escalation to root.

Related
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-89791
16 Sep 202608:48
–cve
cvelist
Cvelist
CVE-2026-89791 perf: Fix use-after-free when perf mmap() revival races with the last munmap()
16 Sep 202608:48
–cvelist
debiancve
Debian CVE
CVE-2026-89791
16 Sep 202608:48
–debiancve
euvd
EUVD
EUVD-2026-80312
16 Sep 202608:48
–euvd
nvd
NVD
CVE-2026-89791
16 Sep 202609:17
–nvd
osv
OSV
BELL-CVE-2026-89791
18 Sep 202606:05
–osv
osv
OSV
DEBIAN-CVE-2026-89791
16 Sep 202609:17
–osv
osv
OSV
UBUNTU-CVE-2026-89791
16 Sep 202609:17
–osv
ubuntucve
UbuntuCve
CVE-2026-89791
16 Sep 202609:17
–ubuntucve
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-89791
23 Sep 202600:00
–nessus

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16 Sep 2026 00:00Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.17.8
EPSS0.0016
0