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kernel: mptcp: fix slab-use-after-free in __inet_lookup_established

🗓️ 01 Jul 2026 09:00:43Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 7 Views

Kernel flaw in multipath connection handling causes use after free in established lookups due to wrong memory for subflow sockets, enabling denial of service or code execution.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.2aarch64bpftool7.0.0-284.178.1.el9_2bpftool-7.0.0-284.178.1.el9_2.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64lebpftool7.0.0-284.178.1.el9_2bpftool-7.0.0-284.178.1.el9_2.ppc64le.rpm
Red Hat Enterprise Linux9.2s390xbpftool7.0.0-284.178.1.el9_2bpftool-7.0.0-284.178.1.el9_2.s390x.rpm
Red Hat Enterprise Linux9.2x86_64bpftool7.0.0-284.178.1.el9_2bpftool-7.0.0-284.178.1.el9_2.x86_64.rpm
Red Hat Enterprise Linux9.2aarch64bpftool-debuginfo7.0.0-284.178.1.el9_2bpftool-debuginfo-7.0.0-284.178.1.el9_2.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64lebpftool-debuginfo7.0.0-284.178.1.el9_2bpftool-debuginfo-7.0.0-284.178.1.el9_2.ppc64le.rpm
Red Hat Enterprise Linux9.2s390xbpftool-debuginfo7.0.0-284.178.1.el9_2bpftool-debuginfo-7.0.0-284.178.1.el9_2.s390x.rpm
Red Hat Enterprise Linux9.2x86_64bpftool-debuginfo7.0.0-284.178.1.el9_2bpftool-debuginfo-7.0.0-284.178.1.el9_2.x86_64.rpm
Red Hat Enterprise Linux9.2aarch64kernel5.14.0-284.178.1.el9_2kernel-5.14.0-284.178.1.el9_2.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64lekernel5.14.0-284.178.1.el9_2kernel-5.14.0-284.178.1.el9_2.ppc64le.rpm
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17 Jul 2026 16:42Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.19.8
EPSS0.00459
7