{ "schema_version": "1.4.0", "id": "GHSA-wj6w-52qh-v4q5", "modified": "2022-02-24T00:01:20Z", "published": "2022-02-12T00:00:48Z", "aliases": [ "CVE-2021-45402" ], "details": "The check_alu_op() function in kernel/bpf/verifier.c in the Linux kernel through v5.16-rc5 did not properly update bounds while handling the mov32 instruction, which allows local users to obtain potentially sensitive address information, aka a \"pointer leak.\"", "severity": [], "affected": [], "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-45402" }, { "type": "WEB", "url": "https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=3cf2b61eb06765e27fec6799292d9fb46d0b7e60" }, { "type": "WEB", "url": "https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=b1a7288dedc6caf9023f2676b4f5ed34cf0d4029" }, { "type": "WEB", "url": "https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=e572ff80f05c33cd0cb4860f864f5c9c044280b6" } ], "database_specific": { "cwe_ids": [ "CWE-668" ], "severity": "MODERATE", "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2022-02-11T15:15:00Z" } }