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CVE-2026-74743

🗓️ 26 Aug 2026 15:16:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 3 Views

Linux kernel macvlan does not inherit headroom/tailroom from lowerdev, causing use-after-free.

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Packages
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-74743
27 Aug 202607:40
circl
cve
CVE
CVE-2026-74743
26 Aug 202614:36
cve
cvelist
Cvelist
CVE-2026-74743 macvlan: inherit needed_headroom and needed_tailroom from lowerdev
26 Aug 202614:36
cvelist
debiancve
Debian CVE
CVE-2026-74743
26 Aug 202614:36
debiancve
euvd
EUVD
EUVD-2026-66573
27 Aug 202606:31
euvd
nvd
NVD
CVE-2026-74743
26 Aug 202615:16
nvd
osv
OSV
DEBIAN-CVE-2026-74743
26 Aug 202615:16
osv
ptsecurity
Positive Technologies
PT-2026-82123
26 Aug 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-74743
27 Aug 202607:04
redhatcve
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-74743
26 Aug 202600:00
nessus
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu14.04alllinux0linux_0_all.deb
Ubuntu16.04alllinux0linux_0_all.deb
Ubuntu18.04alllinux0linux_0_all.deb
Ubuntu20.04alllinux0linux_0_all.deb
Ubuntu22.04alllinux0linux_0_all.deb
Ubuntu24.04alllinux0linux_0_all.deb
Ubuntu26.04alllinux0linux_0_all.deb
Ubuntu16.04alllinux-hwe0linux-hwe_0_all.deb
Ubuntu18.04alllinux-hwe-5.40linux-hwe-5.4_0_all.deb
Ubuntu20.04alllinux-hwe-5.150linux-hwe-5.15_0_all.deb
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27 Aug 2026 22:00Current
CVSS 3.19.8
EPSS0.00519
3