{"id":"CVE-2022-49967","title":"bpf: Fix a data-race around bpf_jit_limit.","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix a data-race around bpf_jit_limit.\n\nWhile reading bpf_jit_limit, it can be changed concurrently via sysctl,\nWRITE_ONCE() in __do_proc_doulongvec_minmax(). The s…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= ede95a63b5e84ddeea6b0c473b36ab8bfd8c6ce3 < ba632ad0bacb13197a8f38e7526448974e87f292","Linux >= ede95a63b5e84ddeea6b0c473b36ab8bfd8c6ce3 < 0947ae1121083d363d522ff7518ee72b55bd8d29","Linux c98446e1bab6253ddce7144cc2a91c400a323839","Linux a1fe647042affe713a17243cd10e9b25f3d83948","Linux 43caa29c99db5a41b204e8ced01b00e151335ca8","Linux >= 4.9.190 < 4.10","Linux >= 4.14.140 < 4.15","Linux >= 4.19.47 < 4.20","Linux 4.20"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T19:52:09.206713Z"},"published":"2025-06-18","updated":"2026-11-05","sourceUpdated":"2026-11-05T20:00:12.488Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2022-49967","references":[{"url":"https://git.kernel.org/stable/c/ba632ad0bacb13197a8f38e7526448974e87f292"},{"url":"https://git.kernel.org/stable/c/0947ae1121083d363d522ff7518ee72b55bd8d29"}],"tags":["cve.org"],"epss":0.00144,"epssPercentile":0.03694,"ingestedAt":"2026-11-05T22:38:31.632Z","slug":"CVE-2022-49967","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix a data-race around bpf_jit_limit.\n\nWhile reading bpf_jit_limit, it can be changed concurrently via sysctl,\nWRITE_ONCE() in __do_proc_doulongvec_minmax(). The size of bpf_jit_limit\nis long, so we need to add a paired READ_ONCE() to avoid load-tearing.\n\n## Affected\n\n- `Linux >= ede95a63b5e84ddeea6b0c473b36ab8bfd8c6ce3 < ba632ad0bacb13197a8f38e7526448974e87f292`\n- `Linux >= ede95a63b5e84ddeea6b0c473b36ab8bfd8c6ce3 < 0947ae1121083d363d522ff7518ee72b55bd8d29`\n- `Linux c98446e1bab6253ddce7144cc2a91c400a323839`\n- `Linux a1fe647042affe713a17243cd10e9b25f3d83948`\n- `Linux 43caa29c99db5a41b204e8ced01b00e151335ca8`\n- `Linux >= 4.9.190 < 4.10`\n- `Linux >= 4.14.140 < 4.15`\n- `Linux >= 4.19.47 < 4.20`\n- `Linux 4.20`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}