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kernel: bpf, test_run: Fix use-after-free issue in eth_skb_pkt_type()

🗓️ 18 Aug 2025 15:01:34Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 17 Views

Fix use-after-free in eth_skb_pkt_type by validating user_data length in bpf_test_init and removing the size check.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.6aarch64kernel5.14.0-570.35.1.el9_6kernel-5.14.0-570.35.1.el9_6.aarch64.rpm
Red Hat Enterprise Linux9.6ppc64lekernel5.14.0-570.35.1.el9_6kernel-5.14.0-570.35.1.el9_6.ppc64le.rpm
Red Hat Enterprise Linux9.6s390xkernel5.14.0-570.35.1.el9_6kernel-5.14.0-570.35.1.el9_6.s390x.rpm
Red Hat Enterprise Linux9.6x86_64kernel5.14.0-570.35.1.el9_6kernel-5.14.0-570.35.1.el9_6.x86_64.rpm
Red Hat Enterprise Linux9.6aarch64kernel-64k5.14.0-570.35.1.el9_6kernel-64k-5.14.0-570.35.1.el9_6.aarch64.rpm
Red Hat Enterprise Linux9.6aarch64kernel-64k-core5.14.0-570.35.1.el9_6kernel-64k-core-5.14.0-570.35.1.el9_6.aarch64.rpm
Red Hat Enterprise Linux9.6aarch64kernel-64k-debug5.14.0-570.35.1.el9_6kernel-64k-debug-5.14.0-570.35.1.el9_6.aarch64.rpm
Red Hat Enterprise Linux9.6aarch64kernel-64k-debug-core5.14.0-570.35.1.el9_6kernel-64k-debug-core-5.14.0-570.35.1.el9_6.aarch64.rpm
Red Hat Enterprise Linux9.6aarch64kernel-64k-debug-debuginfo5.14.0-570.35.1.el9_6kernel-64k-debug-debuginfo-5.14.0-570.35.1.el9_6.aarch64.rpm
Red Hat Enterprise Linux9.6aarch64kernel-64k-debug-devel5.14.0-570.35.1.el9_6kernel-64k-debug-devel-5.14.0-570.35.1.el9_6.aarch64.rpm
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11 Jul 2026 17:42Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.17.8
EPSS0.00181
SSVC
17