{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-68322", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-30T09:28:09.382Z", "datePublished": "2026-08-10T12:02:57.499Z", "dateUpdated": "2026-08-19T16:33:12.816Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-19T16:33:12.816Z" }, "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 \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 \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." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/rds/ib.c", "net/rds/ib_cm.c", "net/rds/tcp.c" ], "versions": [ { "version": "eee2fa6ab3225192d6d894c54a6fb02ac9efdff6", "lessThan": "7809344be3f0c1bbfdfdde1cefafeec14bf52d51", "status": "affected", "versionType": "git" }, { "version": "eee2fa6ab3225192d6d894c54a6fb02ac9efdff6", "lessThan": "438dec9b0a06bd1f8db8c58539c655e735e17367", "status": "affected", "versionType": "git" }, { "version": "eee2fa6ab3225192d6d894c54a6fb02ac9efdff6", "lessThan": "b61c9eb5931bb7389bc104faacd8c17d910da65d", "status": "affected", "versionType": "git" }, { "version": "eee2fa6ab3225192d6d894c54a6fb02ac9efdff6", "lessThan": "8e48d7ab1e01936a172ff31531904b003895fd8c", "status": "affected", "versionType": "git" }, { "version": "eee2fa6ab3225192d6d894c54a6fb02ac9efdff6", "lessThan": "a8302e758050e6a922765aee8d220a4fd350f52d", "status": "affected", "versionType": "git" }, { "version": "eee2fa6ab3225192d6d894c54a6fb02ac9efdff6", "lessThan": "f6787fdffcae5490c779f0f3f33b11597525d1ae", "status": "affected", "versionType": "git" }, { "version": "eee2fa6ab3225192d6d894c54a6fb02ac9efdff6", "lessThan": "00d5707217b5972554898ff734ae7b71bce704e6", "status": "affected", "versionType": "git" }, { "version": "eee2fa6ab3225192d6d894c54a6fb02ac9efdff6", "lessThan": "9c805e592a29be9e4e61ff1bd567da04aa8fd6f9", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/rds/ib.c", "net/rds/ib_cm.c", "net/rds/tcp.c" ], "versions": [ { "version": "4.19", "status": "affected" }, { "version": "0", "lessThan": "4.19", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.265", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.216", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.183", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.151", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.12.103", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.18.44", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.1.6", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.2", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "5.10.265" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "5.15.216" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "6.1.183" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "6.6.151" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "6.12.103" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "6.18.44" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "7.1.6" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "7.2" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/7809344be3f0c1bbfdfdde1cefafeec14bf52d51" }, { "url": "https://git.kernel.org/stable/c/438dec9b0a06bd1f8db8c58539c655e735e17367" }, { "url": "https://git.kernel.org/stable/c/b61c9eb5931bb7389bc104faacd8c17d910da65d" }, { "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" } } } }