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kernel: xsk: check IFF_UP earlier in Tx path

🗓️ 28 Jan 2026 00:38:19Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 10 Views

Kernel vulnerability: xsk transmit path checks IFF_UP late, may NULL dereference when interface down via sendmsg or poll.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.2aarch64bpftool7.0.0-284.154.1.el9_2bpftool-7.0.0-284.154.1.el9_2.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64lebpftool7.0.0-284.154.1.el9_2bpftool-7.0.0-284.154.1.el9_2.ppc64le.rpm
Red Hat Enterprise Linux9.2s390xbpftool7.0.0-284.154.1.el9_2bpftool-7.0.0-284.154.1.el9_2.s390x.rpm
Red Hat Enterprise Linux9.2x86_64bpftool7.0.0-284.154.1.el9_2bpftool-7.0.0-284.154.1.el9_2.x86_64.rpm
Red Hat Enterprise Linux9.2aarch64bpftool-debuginfo7.0.0-284.154.1.el9_2bpftool-debuginfo-7.0.0-284.154.1.el9_2.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64lebpftool-debuginfo7.0.0-284.154.1.el9_2bpftool-debuginfo-7.0.0-284.154.1.el9_2.ppc64le.rpm
Red Hat Enterprise Linux9.2s390xbpftool-debuginfo7.0.0-284.154.1.el9_2bpftool-debuginfo-7.0.0-284.154.1.el9_2.s390x.rpm
Red Hat Enterprise Linux9.2x86_64bpftool-debuginfo7.0.0-284.154.1.el9_2bpftool-debuginfo-7.0.0-284.154.1.el9_2.x86_64.rpm
Red Hat Enterprise Linux9.2aarch64kernel5.14.0-284.154.1.el9_2kernel-5.14.0-284.154.1.el9_2.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64lekernel5.14.0-284.154.1.el9_2kernel-5.14.0-284.154.1.el9_2.ppc64le.rpm
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30 Jun 2026 03:33Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.15.5
EPSS0.00143
SSVC
10