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CVE-2025-39766 net/sched: Make cake_enqueue return NET_XMIT_CN when past buffer_limit

🗓️ 11 Sep 2025 16:56:21Reported by GoogleType 
osv
 osv🔗 osv.dev👁 1 Views

CVE-2025-39766: cake_enqueue now returns NET_XMIT_CN on drop at buffer limit to avoid htb_activate.

Related
Refs
ReporterTitlePublishedViews
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Tenable Nessus		Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2025-1186)
15 Sep 202500:00
–nessus
Tenable Nessus		Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2025-1208)
30 Sep 202500:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2025-104 (ALASKERNEL-5.10-2025-104)
16 Sep 202500:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2025-089 (ALASKERNEL-5.15-2025-089)
16 Sep 202500:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.4-2025-109 (ALASKERNEL-5.4-2025-109)
16 Sep 202500:00
–nessus
Tenable Nessus		AlmaLinux 9 : kernel (ALSA-2026:8921)
22 Apr 202600:00
–nessus
Tenable Nessus		AlmaLinux 10 : kernel (ALSA-2026:9264)
24 Apr 202600:00
–nessus
Tenable Nessus		CentOS 9 : kernel-5.14.0-706.el9
19 May 202600:00
–nessus
Tenable Nessus		Debian dla-4327 : ata-modules-5.10.0-35-armmp-di - security update
13 Oct 202500:00
–nessus
Tenable Nessus		Debian dla-4328 : linux-config-6.1 - security update
13 Oct 202500:00
–nessus
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07 Jun 2026 23:29Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.8
EPSS0.00024
linux kernelnet schedulingcake enqueuenet xmit congestionbuffer limithtb activatepacket dropack filteringempty child queue
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