{"api_version":"1","generated_at":"2026-08-16T03:54:03+00:00","cve":"CVE-2026-68322","urls":{"html":"https://cve.report/CVE-2026-68322","api":"https://cve.report/api/cve/CVE-2026-68322.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-68322","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-68322"},"summary":{"title":"rds: Fix inet6_addr_lst NULL dereference when IPv6 is disabled","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nrds: Fix inet6_addr_lst NULL dereference when IPv6 is disabled\n\nWhen booting with the 'ipv6.disable=1' parameter, inet6_addr_lst\nis never initialized because inet6_init() exits before addrconf_init()\nis called to initialize it. An attempt to bind an RDS socket to\nan ipv6 address results in a crash in __ipv6_chk_addr_and_flags()\n\nKASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]\nRIP: 0010:__ipv6_chk_addr_and_flags+0x1df/0x7e0\nCall Trace:\n <TASK>\n ipv6_chk_addr+0x3b/0x50\n rds_tcp_laddr_check+0x155/0x3b0 [rds_tcp]\n rds_trans_get_preferred+0x15d/0x2d0 [rds]\n ? trace_hardirqs_on+0x2d/0x110\n rds_bind+0x1433/0x1d60 [rds]\n ? rds_remove_bound+0xd50/0xd50 [rds]\n ? aa_af_perm+0x250/0x250\n ? __might_fault+0xde/0x190\n ? __sys_bind+0x1dc/0x210\n __sys_bind+0x1dc/0x210\n ? __ia32_sys_socketpair+0x100/0x100\n ? restore_fpregs_from_fpstate+0x53/0x100\n __x64_sys_bind+0x73/0xb0\n ? syscall_enter_from_user_mode+0x1c/0x50\n do_syscall_64+0x34/0x80\n entry_SYSCALL_64_after_hwframe+0x6e/0xd8\nRIP: 0033:0x7f47f8269ea9\n </TASK>\n\nThe following code reproduces the issue:\n\nstruct sockaddr_in6 addr;\ns = socket(PF_RDS, SOCK_SEQPACKET, 0);\n\nmemset(&addr, 0, sizeof(addr));\ninet_pton(AF_INET6, ADDRESS, &addr.sin6_addr);\naddr.sin6_family = AF_INET6;\naddr.sin6_port = htons(PORT);\n\nbind(s, &addr, sizeof(addr));\n\nFound by InfoTeCS on behalf of Linux Verification Center\n(linuxtesting.org) with Syzkaller.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-10 13:20:22","updated_at":"2026-08-10 13:20:22"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/f6787fdffcae5490c779f0f3f33b11597525d1ae","name":"https://git.kernel.org/stable/c/f6787fdffcae5490c779f0f3f33b11597525d1ae","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/00d5707217b5972554898ff734ae7b71bce704e6","name":"https://git.kernel.org/stable/c/00d5707217b5972554898ff734ae7b71bce704e6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8e48d7ab1e01936a172ff31531904b003895fd8c","name":"https://git.kernel.org/stable/c/8e48d7ab1e01936a172ff31531904b003895fd8c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9c805e592a29be9e4e61ff1bd567da04aa8fd6f9","name":"https://git.kernel.org/stable/c/9c805e592a29be9e4e61ff1bd567da04aa8fd6f9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a8302e758050e6a922765aee8d220a4fd350f52d","name":"https://git.kernel.org/stable/c/a8302e758050e6a922765aee8d220a4fd350f52d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-68322","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-68322","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected eee2fa6ab3225192d6d894c54a6fb02ac9efdff6 8e48d7ab1e01936a172ff31531904b003895fd8c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected eee2fa6ab3225192d6d894c54a6fb02ac9efdff6 a8302e758050e6a922765aee8d220a4fd350f52d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected eee2fa6ab3225192d6d894c54a6fb02ac9efdff6 f6787fdffcae5490c779f0f3f33b11597525d1ae git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected eee2fa6ab3225192d6d894c54a6fb02ac9efdff6 00d5707217b5972554898ff734ae7b71bce704e6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected eee2fa6ab3225192d6d894c54a6fb02ac9efdff6 9c805e592a29be9e4e61ff1bd567da04aa8fd6f9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.19","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.19 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.151 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.103 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.44 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.6 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2-rc5 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/rds/ib.c","net/rds/ib_cm.c","net/rds/tcp.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"8e48d7ab1e01936a172ff31531904b003895fd8c","status":"affected","version":"eee2fa6ab3225192d6d894c54a6fb02ac9efdff6","versionType":"git"},{"lessThan":"a8302e758050e6a922765aee8d220a4fd350f52d","status":"affected","version":"eee2fa6ab3225192d6d894c54a6fb02ac9efdff6","versionType":"git"},{"lessThan":"f6787fdffcae5490c779f0f3f33b11597525d1ae","status":"affected","version":"eee2fa6ab3225192d6d894c54a6fb02ac9efdff6","versionType":"git"},{"lessThan":"00d5707217b5972554898ff734ae7b71bce704e6","status":"affected","version":"eee2fa6ab3225192d6d894c54a6fb02ac9efdff6","versionType":"git"},{"lessThan":"9c805e592a29be9e4e61ff1bd567da04aa8fd6f9","status":"affected","version":"eee2fa6ab3225192d6d894c54a6fb02ac9efdff6","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/rds/ib.c","net/rds/ib_cm.c","net/rds/tcp.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.19"},{"lessThan":"4.19","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.151","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.103","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.44","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc5","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.151","versionStartIncluding":"4.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.103","versionStartIncluding":"4.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.44","versionStartIncluding":"4.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.6","versionStartIncluding":"4.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc5","versionStartIncluding":"4.19","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nrds: Fix inet6_addr_lst NULL dereference when IPv6 is disabled\n\nWhen booting with the 'ipv6.disable=1' parameter, inet6_addr_lst\nis never initialized because inet6_init() exits before addrconf_init()\nis called to initialize it. An attempt to bind an RDS socket to\nan ipv6 address results in a crash in __ipv6_chk_addr_and_flags()\n\nKASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]\nRIP: 0010:__ipv6_chk_addr_and_flags+0x1df/0x7e0\nCall Trace:\n <TASK>\n ipv6_chk_addr+0x3b/0x50\n rds_tcp_laddr_check+0x155/0x3b0 [rds_tcp]\n rds_trans_get_preferred+0x15d/0x2d0 [rds]\n ? trace_hardirqs_on+0x2d/0x110\n rds_bind+0x1433/0x1d60 [rds]\n ? rds_remove_bound+0xd50/0xd50 [rds]\n ? aa_af_perm+0x250/0x250\n ? __might_fault+0xde/0x190\n ? __sys_bind+0x1dc/0x210\n __sys_bind+0x1dc/0x210\n ? __ia32_sys_socketpair+0x100/0x100\n ? restore_fpregs_from_fpstate+0x53/0x100\n __x64_sys_bind+0x73/0xb0\n ? syscall_enter_from_user_mode+0x1c/0x50\n do_syscall_64+0x34/0x80\n entry_SYSCALL_64_after_hwframe+0x6e/0xd8\nRIP: 0033:0x7f47f8269ea9\n </TASK>\n\nThe following code reproduces the issue:\n\nstruct sockaddr_in6 addr;\ns = socket(PF_RDS, SOCK_SEQPACKET, 0);\n\nmemset(&addr, 0, sizeof(addr));\ninet_pton(AF_INET6, ADDRESS, &addr.sin6_addr);\naddr.sin6_family = AF_INET6;\naddr.sin6_port = htons(PORT);\n\nbind(s, &addr, sizeof(addr));\n\nFound by InfoTeCS on behalf of Linux Verification Center\n(linuxtesting.org) with Syzkaller."}],"providerMetadata":{"dateUpdated":"2026-08-10T12:02:57.499Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/8e48d7ab1e01936a172ff31531904b003895fd8c"},{"url":"https://git.kernel.org/stable/c/a8302e758050e6a922765aee8d220a4fd350f52d"},{"url":"https://git.kernel.org/stable/c/f6787fdffcae5490c779f0f3f33b11597525d1ae"},{"url":"https://git.kernel.org/stable/c/00d5707217b5972554898ff734ae7b71bce704e6"},{"url":"https://git.kernel.org/stable/c/9c805e592a29be9e4e61ff1bd567da04aa8fd6f9"}],"title":"rds: Fix inet6_addr_lst NULL dereference when IPv6 is disabled","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-68322","datePublished":"2026-08-10T12:02:57.499Z","dateReserved":"2026-07-30T09:28:09.382Z","dateUpdated":"2026-08-10T12:02:57.499Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-10 13:20:22","lastModifiedDate":"2026-08-10 13:20:22","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"68322","Ordinal":"1","Title":"rds: Fix inet6_addr_lst NULL dereference when IPv6 is disabled","CVE":"CVE-2026-68322","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"68322","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nrds: Fix inet6_addr_lst NULL dereference when IPv6 is disabled\n\nWhen booting with the 'ipv6.disable=1' parameter, inet6_addr_lst\nis never initialized because inet6_init() exits before addrconf_init()\nis called to initialize it. An attempt to bind an RDS socket to\nan ipv6 address results in a crash in __ipv6_chk_addr_and_flags()\n\nKASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]\nRIP: 0010:__ipv6_chk_addr_and_flags+0x1df/0x7e0\nCall Trace:\n <TASK>\n ipv6_chk_addr+0x3b/0x50\n rds_tcp_laddr_check+0x155/0x3b0 [rds_tcp]\n rds_trans_get_preferred+0x15d/0x2d0 [rds]\n ? trace_hardirqs_on+0x2d/0x110\n rds_bind+0x1433/0x1d60 [rds]\n ? rds_remove_bound+0xd50/0xd50 [rds]\n ? aa_af_perm+0x250/0x250\n ? __might_fault+0xde/0x190\n ? __sys_bind+0x1dc/0x210\n __sys_bind+0x1dc/0x210\n ? __ia32_sys_socketpair+0x100/0x100\n ? restore_fpregs_from_fpstate+0x53/0x100\n __x64_sys_bind+0x73/0xb0\n ? syscall_enter_from_user_mode+0x1c/0x50\n do_syscall_64+0x34/0x80\n entry_SYSCALL_64_after_hwframe+0x6e/0xd8\nRIP: 0033:0x7f47f8269ea9\n </TASK>\n\nThe following code reproduces the issue:\n\nstruct sockaddr_in6 addr;\ns = socket(PF_RDS, SOCK_SEQPACKET, 0);\n\nmemset(&addr, 0, sizeof(addr));\ninet_pton(AF_INET6, ADDRESS, &addr.sin6_addr);\naddr.sin6_family = AF_INET6;\naddr.sin6_port = htons(PORT);\n\nbind(s, &addr, sizeof(addr));\n\nFound by InfoTeCS on behalf of Linux Verification Center\n(linuxtesting.org) with Syzkaller.","Type":"Description","Title":"rds: Fix inet6_addr_lst NULL dereference when IPv6 is disabled"}]}}}