{"id":"CVE-2022-49918","state":"PUBLISHED","title":"ipvs: fix WARNING in __ip_vs_cleanup_batch()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nipvs: fix WARNING in __ip_vs_cleanup_batch()\n\nDuring the initialization of ip_vs_conn_net_init(), if file ip_vs_conn\nor ip_vs_conn_sync fails to be created, the initialization is successful\nby default. Therefore, the ip_vs_conn or ip_vs_conn_sync file doesn't\nbe found during the remove.\n\nThe following is the stack information:\nname 'ip_vs_conn_sync'\nWARNING: CPU: 3 PID: 9 at fs/proc/generic.c:712\nremove_proc_entry+0x389/0x460\nModules linked in:\nWorkqueue: netns cleanup_net\nRIP: 0010:remove_proc_entry+0x389/0x460\nCall Trace:\n<TASK>\n__ip_vs_cleanup_batch+0x7d/0x120\nops_exit_list+0x125/0x170\ncleanup_net+0x4ea/0xb00\nprocess_one_work+0x9bf/0x1710\nworker_thread+0x665/0x1080\nkthread+0x2e4/0x3a0\nret_from_fork+0x1f/0x30\n</TASK>","publishedAt":"2025-05-01T14:10:58.128Z","updatedAt":"2026-05-11T19:09:13.860Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"61b1ab4583e275af216c8454b9256de680499b19","status":"affected","lessThan":"f08ee2aa24c076f81d84e26e213d8c6f4efd9f50","versionType":"git"},{"version":"61b1ab4583e275af216c8454b9256de680499b19","status":"affected","lessThan":"7effc4ce3d1434ce6ff286866585a6e905fdbfc1","versionType":"git"},{"version":"61b1ab4583e275af216c8454b9256de680499b19","status":"affected","lessThan":"931f56d59c854263b32075bfac56fdb3b1598d1b","versionType":"git"},{"version":"61b1ab4583e275af216c8454b9256de680499b19","status":"affected","lessThan":"5ee2d6b726b0ce339e36569e5849692f4cf4595e","versionType":"git"},{"version":"61b1ab4583e275af216c8454b9256de680499b19","status":"affected","lessThan":"e724220b826e008764309d2a1f55a9434a4e1530","versionType":"git"},{"version":"61b1ab4583e275af216c8454b9256de680499b19","status":"affected","lessThan":"3d00c6a0da8ddcf75213e004765e4a42acc71d5d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/netfilter/ipvs/ip_vs_conn.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.39","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.39","versionType":"semver"},{"version":"4.19.265","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.224","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.154","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.78","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.8","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/netfilter/ipvs/ip_vs_conn.c"]}],"references":["https://git.kernel.org/stable/c/f08ee2aa24c076f81d84e26e213d8c6f4efd9f50","https://git.kernel.org/stable/c/7effc4ce3d1434ce6ff286866585a6e905fdbfc1","https://git.kernel.org/stable/c/931f56d59c854263b32075bfac56fdb3b1598d1b","https://git.kernel.org/stable/c/5ee2d6b726b0ce339e36569e5849692f4cf4595e","https://git.kernel.org/stable/c/e724220b826e008764309d2a1f55a9434a4e1530","https://git.kernel.org/stable/c/3d00c6a0da8ddcf75213e004765e4a42acc71d5d"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49918.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49918","state":"PUBLISHED","datePublished":"2025-05-01T14:10:58.128Z","dateUpdated":"2026-05-11T19:09:13.860Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-05-01T14:05:17.251Z"},"containers":{"cna":{"title":"ipvs: fix WARNING in __ip_vs_cleanup_batch()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nipvs: fix WARNING in __ip_vs_cleanup_batch()\n\nDuring the initialization of ip_vs_conn_net_init(), if file ip_vs_conn\nor ip_vs_conn_sync fails to be created, the initialization is successful\nby default. Therefore, the ip_vs_conn or ip_vs_conn_sync file doesn't\nbe found during the remove.\n\nThe following is the stack information:\nname 'ip_vs_conn_sync'\nWARNING: CPU: 3 PID: 9 at fs/proc/generic.c:712\nremove_proc_entry+0x389/0x460\nModules linked in:\nWorkqueue: netns cleanup_net\nRIP: 0010:remove_proc_entry+0x389/0x460\nCall Trace:\n<TASK>\n__ip_vs_cleanup_batch+0x7d/0x120\nops_exit_list+0x125/0x170\ncleanup_net+0x4ea/0xb00\nprocess_one_work+0x9bf/0x1710\nworker_thread+0x665/0x1080\nkthread+0x2e4/0x3a0\nret_from_fork+0x1f/0x30\n</TASK>"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"61b1ab4583e275af216c8454b9256de680499b19","status":"affected","lessThan":"f08ee2aa24c076f81d84e26e213d8c6f4efd9f50","versionType":"git"},{"version":"61b1ab4583e275af216c8454b9256de680499b19","status":"affected","lessThan":"7effc4ce3d1434ce6ff286866585a6e905fdbfc1","versionType":"git"},{"version":"61b1ab4583e275af216c8454b9256de680499b19","status":"affected","lessThan":"931f56d59c854263b32075bfac56fdb3b1598d1b","versionType":"git"},{"version":"61b1ab4583e275af216c8454b9256de680499b19","status":"affected","lessThan":"5ee2d6b726b0ce339e36569e5849692f4cf4595e","versionType":"git"},{"version":"61b1ab4583e275af216c8454b9256de680499b19","status":"affected","lessThan":"e724220b826e008764309d2a1f55a9434a4e1530","versionType":"git"},{"version":"61b1ab4583e275af216c8454b9256de680499b19","status":"affected","lessThan":"3d00c6a0da8ddcf75213e004765e4a42acc71d5d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/netfilter/ipvs/ip_vs_conn.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.39","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.39","versionType":"semver"},{"version":"4.19.265","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.224","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.154","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.78","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.8","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/netfilter/ipvs/ip_vs_conn.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/f08ee2aa24c076f81d84e26e213d8c6f4efd9f50"},{"url":"https://git.kernel.org/stable/c/7effc4ce3d1434ce6ff286866585a6e905fdbfc1"},{"url":"https://git.kernel.org/stable/c/931f56d59c854263b32075bfac56fdb3b1598d1b"},{"url":"https://git.kernel.org/stable/c/5ee2d6b726b0ce339e36569e5849692f4cf4595e"},{"url":"https://git.kernel.org/stable/c/e724220b826e008764309d2a1f55a9434a4e1530"},{"url":"https://git.kernel.org/stable/c/3d00c6a0da8ddcf75213e004765e4a42acc71d5d"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:09:13.860Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.39","versionEndExcluding":"4.19.265"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.39","versionEndExcluding":"5.4.224"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.39","versionEndExcluding":"5.10.154"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.39","versionEndExcluding":"5.15.78"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.39","versionEndExcluding":"6.0.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.39","versionEndExcluding":"6.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}