{"id":"CVE-2025-38061","state":"PUBLISHED","title":"net: pktgen: fix access outside of user given buffer in pktgen_thread_write()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: pktgen: fix access outside of user given buffer in pktgen_thread_write()\n\nHonour the user given buffer size for the strn_len() calls (otherwise\nstrn_len() will access memory outside of the user given buffer).","publishedAt":"2025-06-18T09:33:40.241Z","updatedAt":"2026-05-11T21:20:30.915Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"a3d89f1cfe1e6d4bb164db2595511fd33db21900","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"5bfa81539e22af4c40ae5d43d7212253462383a6","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"128cdb617a87767c29be43e4431129942fce41df","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"ef1158a6a650ecee72ab40851b1d52e04d3f9cb5","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"c81c2ee1c3b050ed5c4e92876590cc7a259183f6","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"6b1d3e9db82d01a88de1795b879df67c2116b4f4","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"8fef258b555c75a467a6b4b7e3a3cbc46d5f4102","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"425e64440ad0a2f03bdaf04be0ae53dededbaa77","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/core/pktgen.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.12","versionType":"semver"},{"version":"5.4.294","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.238","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.185","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.141","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.93","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.31","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.14.9","status":"unaffected","lessThanOrEqual":"6.14.*","versionType":"semver"},{"version":"6.15","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/core/pktgen.c"]}],"references":["https://git.kernel.org/stable/c/a3d89f1cfe1e6d4bb164db2595511fd33db21900","https://git.kernel.org/stable/c/5bfa81539e22af4c40ae5d43d7212253462383a6","https://git.kernel.org/stable/c/128cdb617a87767c29be43e4431129942fce41df","https://git.kernel.org/stable/c/ef1158a6a650ecee72ab40851b1d52e04d3f9cb5","https://git.kernel.org/stable/c/c81c2ee1c3b050ed5c4e92876590cc7a259183f6","https://git.kernel.org/stable/c/6b1d3e9db82d01a88de1795b879df67c2116b4f4","https://git.kernel.org/stable/c/8fef258b555c75a467a6b4b7e3a3cbc46d5f4102","https://git.kernel.org/stable/c/425e64440ad0a2f03bdaf04be0ae53dededbaa77","https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html","https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/38xxx/CVE-2025-38061.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-38061","state":"PUBLISHED","datePublished":"2025-06-18T09:33:40.241Z","dateUpdated":"2026-05-11T21:20:30.915Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T04:51:23.979Z"},"containers":{"cna":{"title":"net: pktgen: fix access outside of user given buffer in pktgen_thread_write()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: pktgen: fix access outside of user given buffer in pktgen_thread_write()\n\nHonour the user given buffer size for the strn_len() calls (otherwise\nstrn_len() will access memory outside of the user given 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