{"id":"CVE-2022-49903","state":"PUBLISHED","title":"ipv6: fix WARNING in ip6_route_net_exit_late()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: fix WARNING in ip6_route_net_exit_late()\n\nDuring the initialization of ip6_route_net_init_late(), if file\nipv6_route or rt6_stats fails to be created, the initialization is\nsuccessful by default. Therefore, the ipv6_route or rt6_stats file\ndoesn't be found during the remove in ip6_route_net_exit_late(). It\nwill cause WRNING.\n\nThe following is the stack information:\nname 'rt6_stats'\nWARNING: CPU: 0 PID: 9 at fs/proc/generic.c:712 remove_proc_entry+0x389/0x460\nModules linked in:\nWorkqueue: netns cleanup_net\nRIP: 0010:remove_proc_entry+0x389/0x460\nPKRU: 55555554\nCall Trace:\n<TASK>\nops_exit_list+0xb0/0x170\ncleanup_net+0x4ea/0xb00\nprocess_one_work+0x9bf/0x1710\nworker_thread+0x665/0x1080\nkthread+0x2e4/0x3a0\nret_from_fork+0x1f/0x30\n</TASK>","publishedAt":"2025-05-01T14:10:48.314Z","updatedAt":"2026-05-11T19:08:57.193Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"cdb1876192dbe680b3ac955717fdf7f863c1762d","status":"affected","lessThan":"83fbf246ced54dadd7b9adc2a16efeff30ba944d","versionType":"git"},{"version":"cdb1876192dbe680b3ac955717fdf7f863c1762d","status":"affected","lessThan":"381453770f731f0f43616a1cd4c759b7807a1517","versionType":"git"},{"version":"cdb1876192dbe680b3ac955717fdf7f863c1762d","status":"affected","lessThan":"5dbb47ee89762da433cd8458788d7640c85f1a07","versionType":"git"},{"version":"cdb1876192dbe680b3ac955717fdf7f863c1762d","status":"affected","lessThan":"0ed71af4d017d2bd2cbb8f7254f613a4914def26","versionType":"git"},{"version":"cdb1876192dbe680b3ac955717fdf7f863c1762d","status":"affected","lessThan":"080589287127838046077904f34d5054ea0f895c","versionType":"git"},{"version":"cdb1876192dbe680b3ac955717fdf7f863c1762d","status":"affected","lessThan":"768b3c745fe5789f2430bdab02f35a9ad1148d97","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ipv6/route.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.26","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.26","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/ipv6/route.c"]}],"references":["https://git.kernel.org/stable/c/83fbf246ced54dadd7b9adc2a16efeff30ba944d","https://git.kernel.org/stable/c/381453770f731f0f43616a1cd4c759b7807a1517","https://git.kernel.org/stable/c/5dbb47ee89762da433cd8458788d7640c85f1a07","https://git.kernel.org/stable/c/0ed71af4d017d2bd2cbb8f7254f613a4914def26","https://git.kernel.org/stable/c/080589287127838046077904f34d5054ea0f895c","https://git.kernel.org/stable/c/768b3c745fe5789f2430bdab02f35a9ad1148d97"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49903.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49903","state":"PUBLISHED","datePublished":"2025-05-01T14:10:48.314Z","dateUpdated":"2026-05-11T19:08:57.193Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-05-01T14:05:17.245Z"},"containers":{"cna":{"title":"ipv6: fix WARNING in ip6_route_net_exit_late()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: fix WARNING in ip6_route_net_exit_late()\n\nDuring the initialization of ip6_route_net_init_late(), if file\nipv6_route or rt6_stats fails to be created, the initialization is\nsuccessful by default. Therefore, the ipv6_route or rt6_stats file\ndoesn't be found during the remove in ip6_route_net_exit_late(). It\nwill cause WRNING.\n\nThe following is the stack information:\nname 'rt6_stats'\nWARNING: CPU: 0 PID: 9 at fs/proc/generic.c:712 remove_proc_entry+0x389/0x460\nModules linked in:\nWorkqueue: netns cleanup_net\nRIP: 0010:remove_proc_entry+0x389/0x460\nPKRU: 55555554\nCall Trace:\n<TASK>\nops_exit_list+0xb0/0x170\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":"cdb1876192dbe680b3ac955717fdf7f863c1762d","status":"affected","lessThan":"83fbf246ced54dadd7b9adc2a16efeff30ba944d","versionType":"git"},{"version":"cdb1876192dbe680b3ac955717fdf7f863c1762d","status":"affected","lessThan":"381453770f731f0f43616a1cd4c759b7807a1517","versionType":"git"},{"version":"cdb1876192dbe680b3ac955717fdf7f863c1762d","status":"affected","lessThan":"5dbb47ee89762da433cd8458788d7640c85f1a07","versionType":"git"},{"version":"cdb1876192dbe680b3ac955717fdf7f863c1762d","status":"affected","lessThan":"0ed71af4d017d2bd2cbb8f7254f613a4914def26","versionType":"git"},{"version":"cdb1876192dbe680b3ac955717fdf7f863c1762d","status":"affected","lessThan":"080589287127838046077904f34d5054ea0f895c","versionType":"git"},{"version":"cdb1876192dbe680b3ac955717fdf7f863c1762d","status":"affected","lessThan":"768b3c745fe5789f2430bdab02f35a9ad1148d97","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ipv6/route.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.26","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.26","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/ipv6/route.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/83fbf246ced54dadd7b9adc2a16efeff30ba944d"},{"url":"https://git.kernel.org/stable/c/381453770f731f0f43616a1cd4c759b7807a1517"},{"url":"https://git.kernel.org/stable/c/5dbb47ee89762da433cd8458788d7640c85f1a07"},{"url":"https://git.kernel.org/stable/c/0ed71af4d017d2bd2cbb8f7254f613a4914def26"},{"url":"https://git.kernel.org/stable/c/080589287127838046077904f34d5054ea0f895c"},{"url":"https://git.kernel.org/stable/c/768b3c745fe5789f2430bdab02f35a9ad1148d97"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:08:57.193Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.26","versionEndExcluding":"4.19.265"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.26","versionEndExcluding":"5.4.224"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.26","versionEndExcluding":"5.10.154"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.26","versionEndExcluding":"5.15.78"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.26","versionEndExcluding":"6.0.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.26","versionEndExcluding":"6.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}