{"id":"CVE-2022-49967","state":"PUBLISHED","title":"bpf: Fix a data-race around bpf_jit_limit.","description":"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 size of bpf_jit_limit\nis long, so we need to add a paired READ_ONCE() to avoid load-tearing.","publishedAt":"2025-06-18T11:00:31.782Z","updatedAt":"2026-05-23T15:23:23.987Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ede95a63b5e84ddeea6b0c473b36ab8bfd8c6ce3","status":"affected","lessThan":"ba632ad0bacb13197a8f38e7526448974e87f292","versionType":"git"},{"version":"ede95a63b5e84ddeea6b0c473b36ab8bfd8c6ce3","status":"affected","lessThan":"0947ae1121083d363d522ff7518ee72b55bd8d29","versionType":"git"},{"version":"c98446e1bab6253ddce7144cc2a91c400a323839","status":"affected","versionType":"git"},{"version":"a1fe647042affe713a17243cd10e9b25f3d83948","status":"affected","versionType":"git"},{"version":"43caa29c99db5a41b204e8ced01b00e151335ca8","status":"affected","versionType":"git"},{"version":"4.9.190","status":"affected","lessThan":"4.10","versionType":"semver"},{"version":"4.14.140","status":"affected","lessThan":"4.15","versionType":"semver"},{"version":"4.19.47","status":"affected","lessThan":"4.20","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/bpf/core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.20","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.20","versionType":"semver"},{"version":"5.19.8","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/bpf/core.c"]}],"references":["https://git.kernel.org/stable/c/ba632ad0bacb13197a8f38e7526448974e87f292","https://git.kernel.org/stable/c/0947ae1121083d363d522ff7518ee72b55bd8d29"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49967.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49967","state":"PUBLISHED","datePublished":"2025-06-18T11:00:31.782Z","dateUpdated":"2026-05-23T15:23:23.987Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-06-18T10:57:27.384Z"},"containers":{"cna":{"title":"bpf: Fix a data-race around bpf_jit_limit.","descriptions":[{"lang":"en","value":"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 size of bpf_jit_limit\nis long, so we need to add a paired READ_ONCE() to avoid load-tearing."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ede95a63b5e84ddeea6b0c473b36ab8bfd8c6ce3","status":"affected","lessThan":"ba632ad0bacb13197a8f38e7526448974e87f292","versionType":"git"},{"version":"ede95a63b5e84ddeea6b0c473b36ab8bfd8c6ce3","status":"affected","lessThan":"0947ae1121083d363d522ff7518ee72b55bd8d29","versionType":"git"},{"version":"c98446e1bab6253ddce7144cc2a91c400a323839","status":"affected","versionType":"git"},{"version":"a1fe647042affe713a17243cd10e9b25f3d83948","status":"affected","versionType":"git"},{"version":"43caa29c99db5a41b204e8ced01b00e151335ca8","status":"affected","versionType":"git"},{"version":"4.9.190","status":"affected","lessThan":"4.10","versionType":"semver"},{"version":"4.14.140","status":"affected","lessThan":"4.15","versionType":"semver"},{"version":"4.19.47","status":"affected","lessThan":"4.20","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/bpf/core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.20","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.20","versionType":"semver"},{"version":"5.19.8","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/bpf/core.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/ba632ad0bacb13197a8f38e7526448974e87f292"},{"url":"https://git.kernel.org/stable/c/0947ae1121083d363d522ff7518ee72b55bd8d29"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T15:23:23.987Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.19.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"6.0"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9.190"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14.140"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19.47"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}