{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2024-42272", "ASSIGNER": "cve@kernel.org", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsched: act_ct: take care of padding in struct zones_ht_key\n\nBlamed commit increased lookup key size from 2 bytes to 16 bytes,\nbecause zones_ht_key got a struct net pointer.\n\nMake sure rhashtable_lookup() is not using the padding bytes\nwhich are not initialized.\n\n BUG: KMSAN: uninit-value in rht_ptr_rcu include/linux/rhashtable.h:376 [inline]\n BUG: KMSAN: uninit-value in __rhashtable_lookup include/linux/rhashtable.h:607 [inline]\n BUG: KMSAN: uninit-value in rhashtable_lookup include/linux/rhashtable.h:646 [inline]\n BUG: KMSAN: uninit-value in rhashtable_lookup_fast include/linux/rhashtable.h:672 [inline]\n BUG: KMSAN: uninit-value in tcf_ct_flow_table_get+0x611/0x2260 net/sched/act_ct.c:329\n rht_ptr_rcu include/linux/rhashtable.h:376 [inline]\n __rhashtable_lookup include/linux/rhashtable.h:607 [inline]\n rhashtable_lookup include/linux/rhashtable.h:646 [inline]\n rhashtable_lookup_fast include/linux/rhashtable.h:672 [inline]\n tcf_ct_flow_table_get+0x611/0x2260 net/sched/act_ct.c:329\n tcf_ct_init+0xa67/0x2890 net/sched/act_ct.c:1408\n tcf_action_init_1+0x6cc/0xb30 net/sched/act_api.c:1425\n tcf_action_init+0x458/0xf00 net/sched/act_api.c:1488\n tcf_action_add net/sched/act_api.c:2061 [inline]\n tc_ctl_action+0x4be/0x19d0 net/sched/act_api.c:2118\n rtnetlink_rcv_msg+0x12fc/0x1410 net/core/rtnetlink.c:6647\n netlink_rcv_skb+0x375/0x650 net/netlink/af_netlink.c:2550\n rtnetlink_rcv+0x34/0x40 net/core/rtnetlink.c:6665\n netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]\n netlink_unicast+0xf52/0x1260 net/netlink/af_netlink.c:1357\n netlink_sendmsg+0x10da/0x11e0 net/netlink/af_netlink.c:1901\n sock_sendmsg_nosec net/socket.c:730 [inline]\n __sock_sendmsg+0x30f/0x380 net/socket.c:745\n ____sys_sendmsg+0x877/0xb60 net/socket.c:2597\n ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2651\n __sys_sendmsg net/socket.c:2680 [inline]\n __do_sys_sendmsg net/socket.c:2689 [inline]\n __se_sys_sendmsg net/socket.c:2687 [inline]\n __x64_sys_sendmsg+0x307/0x4a0 net/socket.c:2687\n x64_sys_call+0x2dd6/0x3c10 arch/x86/include/generated/asm/syscalls_64.h:47\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nLocal variable key created at:\n tcf_ct_flow_table_get+0x4a/0x2260 net/sched/act_ct.c:324\n tcf_ct_init+0xa67/0x2890 net/sched/act_ct.c:1408" } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Linux", "product": { "product_data": [ { "product_name": "Linux", "version": { "version_data": [ { "version_affected": "<", "version_name": "03f625505e27", "version_value": "7c03ab555eb1" }, { "version_affected": "<", "version_name": "aa1f81fe3a05", "version_value": "3ddefcb8f75e" }, { "version_affected": "<", "version_name": "2f82f75f8434", "version_value": "d06daf0ad645" }, { "version_affected": "<", "version_name": "9126fd82e9ed", "version_value": "d7cc186d0973" }, { "version_affected": "<", "version_name": "88c67aeb1407", "version_value": "3a5b68869dbe" }, { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "version": "6.10", "status": "affected" }, { "version": "0", "lessThan": "6.10", "status": "unaffected", "versionType": "custom" }, { "version": "5.10.224", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.15.165", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.1.104", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.45", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.10.4", "lessThanOrEqual": "6.10.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.11", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ], "defaultStatus": "affected" } } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://git.kernel.org/stable/c/7c03ab555eb1ba26c77fd7c25bdf44a0ac23edee", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/7c03ab555eb1ba26c77fd7c25bdf44a0ac23edee" }, { "url": "https://git.kernel.org/stable/c/3ddefcb8f75e312535e2e7d5fef9932019ba60f2", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/3ddefcb8f75e312535e2e7d5fef9932019ba60f2" }, { "url": "https://git.kernel.org/stable/c/d06daf0ad645d9225a3ff6958dd82e1f3988fa64", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/d06daf0ad645d9225a3ff6958dd82e1f3988fa64" }, { "url": "https://git.kernel.org/stable/c/d7cc186d0973afce0e1237c37f7512c01981fb79", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/d7cc186d0973afce0e1237c37f7512c01981fb79" }, { "url": "https://git.kernel.org/stable/c/3a5b68869dbe14f1157c6a24ac71923db060eeab", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/3a5b68869dbe14f1157c6a24ac71923db060eeab" }, { "url": "https://git.kernel.org/stable/c/2191a54f63225b548fd8346be3611c3219a24738", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/2191a54f63225b548fd8346be3611c3219a24738" } ] }, "generator": { "engine": "bippy-c9c4e1df01b2" } }