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CVE-2025-37890 net_sched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc

🗓️ 16 May 2025 13:01:12Reported by GoogleType 
osv
 osv🔗 osv.dev👁 4 Views

Resolved UAF vulnerability in Linux kernel's hfsc class with netem as child qdisc.

Related
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: Vulnerabilities in kernel affects IBM Netezza Appliance
23 Apr 202610:20
–ibm
Tenable Nessus		Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2025-1050)
10 Jul 202500:00
–nessus
Tenable Nessus		Amazon Linux 2023 : bpftool, kernel6.12, kernel6.12-modules-extra (ALAS2023-2025-994)
12 Jun 202500:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2025-095 (ALASKERNEL-5.10-2025-095)
23 Jun 202500:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2025-073 (ALASKERNEL-5.15-2025-073)
9 Jun 202500:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel (ALASKERNEL-5.4-2025-103)
23 Jun 202500:00
–nessus
Tenable Nessus		AlmaLinux 10 : kernel (ALSA-2025:12662)
9 Oct 202500:00
–nessus
Tenable Nessus		AlmaLinux 9 : kernel (ALSA-2025:12746)
7 Aug 202500:00
–nessus
Tenable Nessus		AlmaLinux 8 : kernel (ALSA-2025:12752)
7 Aug 202500:00
–nessus
Tenable Nessus		AlmaLinux 8 : kernel-rt (ALSA-2025:12753)
7 Aug 202500:00
–nessus
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16 Apr 2026 04:32Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.17.8
EPSS0.00082
uaf vulnerabilitylinux kernelhfsc classnetem childvttree insertioneltree insertionpatch fix
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