{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-42272","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-07-30T07:40:12.260Z","datePublished":"2024-08-17T08:54:26.755Z","dateUpdated":"2025-11-03T22:03:10.064Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T12:57:51.405Z"},"descriptions":[{"lang":"en","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"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/sched/act_ct.c"],"versions":[{"version":"03f625505e27f709390a86c9b78d3707f4c23df8","lessThan":"7c03ab555eb1ba26c77fd7c25bdf44a0ac23edee","status":"affected","versionType":"git"},{"version":"aa1f81fe3a059bc984b230b5352ab89d06aa3c7b","lessThan":"3ddefcb8f75e312535e2e7d5fef9932019ba60f2","status":"affected","versionType":"git"},{"version":"2f82f75f843445daa81e8b2a76774b1348033ce6","lessThan":"d06daf0ad645d9225a3ff6958dd82e1f3988fa64","status":"affected","versionType":"git"},{"version":"9126fd82e9edc7b4796f756e4b258d34f17e5e4a","lessThan":"d7cc186d0973afce0e1237c37f7512c01981fb79","status":"affected","versionType":"git"},{"version":"88c67aeb14070bab61d3dd8be96c8b42ebcaf53a","lessThan":"3a5b68869dbe14f1157c6a24ac71923db060eeab","status":"affected","versionType":"git"},{"version":"88c67aeb14070bab61d3dd8be96c8b42ebcaf53a","lessThan":"2191a54f63225b548fd8346be3611c3219a24738","status":"affected","versionType":"git"},{"version":"b4382b854975ae96fbfcc83a1d79b5c063c1aaa8","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/sched/act_ct.c"],"versions":[{"version":"6.10","status":"affected"},{"version":"0","lessThan":"6.10","status":"unaffected","versionType":"semver"},{"version":"5.10.224","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.165","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.104","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.45","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.10.4","lessThanOrEqual":"6.10.*","status":"unaffected","versionType":"semver"},{"version":"6.11","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":"5.10.221","versionEndExcluding":"5.10.224"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.162","versionEndExcluding":"5.15.165"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.96","versionEndExcluding":"6.1.104"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.36","versionEndExcluding":"6.6.45"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10","versionEndExcluding":"6.10.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10","versionEndExcluding":"6.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.9.7"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/7c03ab555eb1ba26c77fd7c25bdf44a0ac23edee"},{"url":"https://git.kernel.org/stable/c/3ddefcb8f75e312535e2e7d5fef9932019ba60f2"},{"url":"https://git.kernel.org/stable/c/d06daf0ad645d9225a3ff6958dd82e1f3988fa64"},{"url":"https://git.kernel.org/stable/c/d7cc186d0973afce0e1237c37f7512c01981fb79"},{"url":"https://git.kernel.org/stable/c/3a5b68869dbe14f1157c6a24ac71923db060eeab"},{"url":"https://git.kernel.org/stable/c/2191a54f63225b548fd8346be3611c3219a24738"}],"title":"sched: act_ct: take care of padding in struct zones_ht_key","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-42272","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T16:12:08.203348Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-09-12T17:33:05.421Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"},{"url":"https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T22:03:10.064Z"}}]}}