{"cve":"CVE-2026-53074","nvd":{"published":"2026-06-24T17:17:21.317","modified":"2026-07-21T18:05:44.080","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: reject short IPv4/IPv6 inputs in bpf_prog_test_run_skb\n\nbpf_prog_test_run_skb() calls eth_type_trans() first and then uses\nskb->protocol to initialize sk family and address fields for the test\nrun.\n\nFor IPv4 and IPv6 packets, it may access ip_hdr(skb) or ipv6_hdr(skb)\neven when the provided test input only contains an Ethernet header.\n\nReject the input earlier if the Ethernet frame carries IPv4/IPv6\nEtherType but the L3 header is too short.\n\nFold the IPv4/IPv6 header length checks into the existing protocol\nswitch and return -EINVAL before accessing the network headers.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/0a04db240effd85773f66244645a28cedddb72d2","https://git.kernel.org/stable/c/12bec2bd4b76d81c5d3996bd14ec1b7f4d983747","https://git.kernel.org/stable/c/1f882c492d46f90bdb36f4936876c88c28dab21c","https://git.kernel.org/stable/c/6a9f38d5ff11e00bc54baab752642978805e81eb","https://git.kernel.org/stable/c/6def5fe753cbe5b279ee5fd10327b2611cbddaca"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:41:17.107060303+00:00"},"epss":{"cve":"CVE-2026-53074","score":0.00114,"percentile":0.01474,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}