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kernel: macvlan: fix error recovery in macvlan_common_newlink()

🗓️ 22 Apr 2026 08:19:47Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 13 Views

Kernel macvlan fixes use-after-free during creation failure after adding source MAC to hash.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.2aarch64bpftool7.0.0-284.166.1.el9_2bpftool-7.0.0-284.166.1.el9_2.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64lebpftool7.0.0-284.166.1.el9_2bpftool-7.0.0-284.166.1.el9_2.ppc64le.rpm
Red Hat Enterprise Linux9.2s390xbpftool7.0.0-284.166.1.el9_2bpftool-7.0.0-284.166.1.el9_2.s390x.rpm
Red Hat Enterprise Linux9.2x86_64bpftool7.0.0-284.166.1.el9_2bpftool-7.0.0-284.166.1.el9_2.x86_64.rpm
Red Hat Enterprise Linux9.2aarch64bpftool-debuginfo7.0.0-284.166.1.el9_2bpftool-debuginfo-7.0.0-284.166.1.el9_2.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64lebpftool-debuginfo7.0.0-284.166.1.el9_2bpftool-debuginfo-7.0.0-284.166.1.el9_2.ppc64le.rpm
Red Hat Enterprise Linux9.2s390xbpftool-debuginfo7.0.0-284.166.1.el9_2bpftool-debuginfo-7.0.0-284.166.1.el9_2.s390x.rpm
Red Hat Enterprise Linux9.2x86_64bpftool-debuginfo7.0.0-284.166.1.el9_2bpftool-debuginfo-7.0.0-284.166.1.el9_2.x86_64.rpm
Red Hat Enterprise Linux9.2aarch64kernel5.14.0-284.166.1.el9_2kernel-5.14.0-284.166.1.el9_2.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64lekernel5.14.0-284.166.1.el9_2kernel-5.14.0-284.166.1.el9_2.ppc64le.rpm
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30 Jul 2026 09:14Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.17.8
EPSS0.00119
SSVC
13