{"affected":[{"defaultStatus":"unaffected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"lessThan":"7809344be3f0c1bbfdfdde1cefafeec14bf52d51","status":"affected","version":"eee2fa6ab3225192d6d894c54a6fb02ac9efdff6","versionType":"git"},{"lessThan":"438dec9b0a06bd1f8db8c58539c655e735e17367","status":"affected","version":"eee2fa6ab3225192d6d894c54a6fb02ac9efdff6","versionType":"git"},{"lessThan":"b61c9eb5931bb7389bc104faacd8c17d910da65d","status":"affected","version":"eee2fa6ab3225192d6d894c54a6fb02ac9efdff6","versionType":"git"},{"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","source":"CNA: Linux","vendor":"Linux","versions":[{"status":"affected","version":"4.19"},{"lessThan":"4.19","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.265","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.216","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.183","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","versionType":"original_commit_for_fix"}]}],"cveId":"CVE-2026-68322","cwes":[],"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.","epss":{"date":"2026-11-06","percentile":0.12137,"score":0.00216},"exploits":[],"kev":null,"metrics":[],"modifiedAt":1793985568887,"publishedAt":1786363377499,"references":[{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/7809344be3f0c1bbfdfdde1cefafeec14bf52d51"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/438dec9b0a06bd1f8db8c58539c655e735e17367"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/b61c9eb5931bb7389bc104faacd8c17d910da65d"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/8e48d7ab1e01936a172ff31531904b003895fd8c"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/a8302e758050e6a922765aee8d220a4fd350f52d"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/f6787fdffcae5490c779f0f3f33b11597525d1ae"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/00d5707217b5972554898ff734ae7b71bce704e6"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/9c805e592a29be9e4e61ff1bd567da04aa8fd6f9"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/00d5707217b5972554898ff734ae7b71bce704e6"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/438dec9b0a06bd1f8db8c58539c655e735e17367"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/7809344be3f0c1bbfdfdde1cefafeec14bf52d51"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/8e48d7ab1e01936a172ff31531904b003895fd8c"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/9c805e592a29be9e4e61ff1bd567da04aa8fd6f9"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/a8302e758050e6a922765aee8d220a4fd350f52d"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/b61c9eb5931bb7389bc104faacd8c17d910da65d"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/f6787fdffcae5490c779f0f3f33b11597525d1ae"}],"remediation":[],"revision":"eea46b2edf3e4cb22768771c317103dd51dceacefafcdf60aca58b7d1c3b99d5","sources":[{"modifiedAt":1793984113018,"name":"CNA: Linux","retrievedAt":1793985968889,"url":"https://www.cve.org/CVERecord?id=CVE-2026-68322"},{"modifiedAt":1793985568887,"name":"NVD","retrievedAt":1793989633496,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-68322"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793985999107,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-68322"}],"ssvc":{"assessedAt":1793983628773,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"rds: Fix inet6_addr_lst NULL dereference when IPv6 is disabled","updatedAt":1793989633496}