{"dataType": "CVE_RECORD", "cveMetadata": {"cveId": "CVE-2024-26615", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-19T14:20:24.131Z", "datePublished": "2024-02-29T15:52:18.843Z", "dateUpdated": "2026-05-11T20:00:49.787Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T20:00:49.787Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/smc: fix illegal rmb_desc access in SMC-D connection dump\n\nA crash was found when dumping SMC-D connections. It can be reproduced\nby following steps:\n\n- run nginx/wrk test:\n smc_run nginx\n smc_run wrk -t 16 -c 1000 -d <duration> -H 'Connection: Close' <URL>\n\n- continuously dump SMC-D connections in parallel:\n watch -n 1 'smcss -D'\n\n BUG: kernel NULL pointer dereference, address: 0000000000000030\n CPU: 2 PID: 7204 Comm: smcss Kdump: loaded Tainted: G\tE 6.7.0+ #55\n RIP: 0010:__smc_diag_dump.constprop.0+0x5e5/0x620 [smc_diag]\n Call Trace:\n <TASK>\n ? __die+0x24/0x70\n ? page_fault_oops+0x66/0x150\n ? exc_page_fault+0x69/0x140\n ? asm_exc_page_fault+0x26/0x30\n ? __smc_diag_dump.constprop.0+0x5e5/0x620 [smc_diag]\n ? __kmalloc_node_track_caller+0x35d/0x430\n ? __alloc_skb+0x77/0x170\n smc_diag_dump_proto+0xd0/0xf0 [smc_diag]\n smc_diag_dump+0x26/0x60 [smc_diag]\n netlink_dump+0x19f/0x320\n __netlink_dump_start+0x1dc/0x300\n smc_diag_handler_dump+0x6a/0x80 [smc_diag]\n ? __pfx_smc_diag_dump+0x10/0x10 [smc_diag]\n sock_diag_rcv_msg+0x121/0x140\n ? __pfx_sock_diag_rcv_msg+0x10/0x10\n netlink_rcv_skb+0x5a/0x110\n sock_diag_rcv+0x28/0x40\n netlink_unicast+0x22a/0x330\n netlink_sendmsg+0x1f8/0x420\n __sock_sendmsg+0xb0/0xc0\n ____sys_sendmsg+0x24e/0x300\n ? copy_msghdr_from_user+0x62/0x80\n ___sys_sendmsg+0x7c/0xd0\n ? __do_fault+0x34/0x160\n ? do_read_fault+0x5f/0x100\n ? do_fault+0xb0/0x110\n ? __handle_mm_fault+0x2b0/0x6c0\n __sys_sendmsg+0x4d/0x80\n do_syscall_64+0x69/0x180\n entry_SYSCALL_64_after_hwframe+0x6e/0x76\n\nIt is possible that the connection is in process of being established\nwhen we dump it. Assumed that the connection has been registered in a\nlink group by smc_conn_create() but the rmb_desc has not yet been\ninitialized by smc_buf_create(), thus causing the illegal access to\nconn->rmb_desc. So fix it by checking before dump."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/smc/smc_diag.c"], "versions": [{"version": "4b1b7d3b30a6d32ac1a1dcede284e76ef8a8542d", "lessThan": "27aea64838914c6122db5b8bd4bed865c9736f22", "status": "affected", "versionType": "git"}, {"version": "4b1b7d3b30a6d32ac1a1dcede284e76ef8a8542d", "lessThan": "1fea9969b81c67d0cb1611d1b8b7d19049d937be", "status": "affected", "versionType": "git"}, {"version": "4b1b7d3b30a6d32ac1a1dcede284e76ef8a8542d", "lessThan": "5fed92ca32eafbfae8b6bee8ca34cca71c6a8b6d", "status": "affected", "versionType": "git"}, {"version": "4b1b7d3b30a6d32ac1a1dcede284e76ef8a8542d", "lessThan": "68b888d51ac82f2b96bf5e077a31d76afcdef25a", "status": "affected", "versionType": "git"}, {"version": "4b1b7d3b30a6d32ac1a1dcede284e76ef8a8542d", "lessThan": "6994dba06321e3c48fdad0ba796a063d9d82183a", "status": "affected", "versionType": "git"}, {"version": "4b1b7d3b30a6d32ac1a1dcede284e76ef8a8542d", "lessThan": "a164c2922675d7051805cdaf2b07daffe44f20d9", "status": "affected", "versionType": "git"}, {"version": "4b1b7d3b30a6d32ac1a1dcede284e76ef8a8542d", "lessThan": "8f3f9186e5bb96a9c9654c41653210e3ea7e48a6", "status": "affected", "versionType": "git"}, {"version": "4b1b7d3b30a6d32ac1a1dcede284e76ef8a8542d", "lessThan": "dbc153fd3c142909e564bb256da087e13fbf239c", "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/smc/smc_diag.c"], "versions": [{"version": "4.19", "status": "affected"}, {"version": "0", "lessThan": "4.19", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.307", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.269", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.210", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.149", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.76", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.15", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.7.3", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.8", "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": "4.19.307"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "5.4.269"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "5.10.210"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "5.15.149"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "6.1.76"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "6.6.15"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "6.7.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "6.8"}]}]}], "references": [{"url": 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"https://git.kernel.org/stable/c/27aea64838914c6122db5b8bd4bed865c9736f22", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/1fea9969b81c67d0cb1611d1b8b7d19049d937be", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/5fed92ca32eafbfae8b6bee8ca34cca71c6a8b6d", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/68b888d51ac82f2b96bf5e077a31d76afcdef25a", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/6994dba06321e3c48fdad0ba796a063d9d82183a", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/a164c2922675d7051805cdaf2b07daffe44f20d9", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/8f3f9186e5bb96a9c9654c41653210e3ea7e48a6", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/dbc153fd3c142909e564bb256da087e13fbf239c", "tags": ["x_transferred"]}, {"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html", "tags": ["x_transferred"]}, {"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html", "tags": ["x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-26615", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T15:57:17.586367Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T17:33:50.241Z"}}]}, "dataVersion": "5.2"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/27aea64838914c6122db5b8bd4bed865c9736f22", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/1fea9969b81c67d0cb1611d1b8b7d19049d937be", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/5fed92ca32eafbfae8b6bee8ca34cca71c6a8b6d", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/68b888d51ac82f2b96bf5e077a31d76afcdef25a", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/6994dba06321e3c48fdad0ba796a063d9d82183a", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/a164c2922675d7051805cdaf2b07daffe44f20d9", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/8f3f9186e5bb96a9c9654c41653210e3ea7e48a6", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/dbc153fd3c142909e564bb256da087e13fbf239c", "tags": ["x_transferred"]}, {"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html", "tags": ["x_transferred"]}, {"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T00:07:19.717Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-26615", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T15:57:17.586367Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T12:42:19.090Z"}}], "cna": {"title": "net/smc: fix illegal rmb_desc access in SMC-D connection dump", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "4b1b7d3b30a6d32ac1a1dcede284e76ef8a8542d", "lessThan": "27aea64838914c6122db5b8bd4bed865c9736f22", "versionType": "git"}, {"status": "affected", "version": "4b1b7d3b30a6d32ac1a1dcede284e76ef8a8542d", "lessThan": "1fea9969b81c67d0cb1611d1b8b7d19049d937be", "versionType": "git"}, {"status": "affected", "version": "4b1b7d3b30a6d32ac1a1dcede284e76ef8a8542d", "lessThan": "5fed92ca32eafbfae8b6bee8ca34cca71c6a8b6d", "versionType": "git"}, {"status": "affected", "version": "4b1b7d3b30a6d32ac1a1dcede284e76ef8a8542d", "lessThan": "68b888d51ac82f2b96bf5e077a31d76afcdef25a", "versionType": "git"}, {"status": "affected", "version": "4b1b7d3b30a6d32ac1a1dcede284e76ef8a8542d", "lessThan": "6994dba06321e3c48fdad0ba796a063d9d82183a", "versionType": "git"}, {"status": "affected", "version": "4b1b7d3b30a6d32ac1a1dcede284e76ef8a8542d", "lessThan": "a164c2922675d7051805cdaf2b07daffe44f20d9", "versionType": "git"}, {"status": "affected", "version": "4b1b7d3b30a6d32ac1a1dcede284e76ef8a8542d", "lessThan": "8f3f9186e5bb96a9c9654c41653210e3ea7e48a6", "versionType": "git"}, {"status": "affected", "version": "4b1b7d3b30a6d32ac1a1dcede284e76ef8a8542d", "lessThan": "dbc153fd3c142909e564bb256da087e13fbf239c", "versionType": "git"}], "programFiles": ["net/smc/smc_diag.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "4.19"}, {"status": "unaffected", "version": "0", "lessThan": "4.19", "versionType": "semver"}, {"status": "unaffected", "version": "4.19.307", "versionType": "semver", "lessThanOrEqual": "4.19.*"}, {"status": "unaffected", "version": "5.4.269", "versionType": "semver", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.210", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.149", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.76", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.15", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.7.3", "versionType": "semver", "lessThanOrEqual": "6.7.*"}, {"status": "unaffected", "version": "6.8", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/smc/smc_diag.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/27aea64838914c6122db5b8bd4bed865c9736f22"}, {"url": "https://git.kernel.org/stable/c/1fea9969b81c67d0cb1611d1b8b7d19049d937be"}, {"url": "https://git.kernel.org/stable/c/5fed92ca32eafbfae8b6bee8ca34cca71c6a8b6d"}, {"url": "https://git.kernel.org/stable/c/68b888d51ac82f2b96bf5e077a31d76afcdef25a"}, {"url": "https://git.kernel.org/stable/c/6994dba06321e3c48fdad0ba796a063d9d82183a"}, {"url": "https://git.kernel.org/stable/c/a164c2922675d7051805cdaf2b07daffe44f20d9"}, {"url": "https://git.kernel.org/stable/c/8f3f9186e5bb96a9c9654c41653210e3ea7e48a6"}, {"url": "https://git.kernel.org/stable/c/dbc153fd3c142909e564bb256da087e13fbf239c"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/smc: fix illegal rmb_desc access in SMC-D connection dump\n\nA crash was found when dumping SMC-D connections. It can be reproduced\nby following steps:\n\n- run nginx/wrk test:\n smc_run nginx\n smc_run wrk -t 16 -c 1000 -d <duration> -H 'Connection: Close' <URL>\n\n- continuously dump SMC-D connections in parallel:\n watch -n 1 'smcss -D'\n\n BUG: kernel NULL pointer dereference, address: 0000000000000030\n CPU: 2 PID: 7204 Comm: smcss Kdump: loaded Tainted: G\tE 6.7.0+ #55\n RIP: 0010:__smc_diag_dump.constprop.0+0x5e5/0x620 [smc_diag]\n Call Trace:\n <TASK>\n ? __die+0x24/0x70\n ? page_fault_oops+0x66/0x150\n ? exc_page_fault+0x69/0x140\n ? asm_exc_page_fault+0x26/0x30\n ? __smc_diag_dump.constprop.0+0x5e5/0x620 [smc_diag]\n ? __kmalloc_node_track_caller+0x35d/0x430\n ? __alloc_skb+0x77/0x170\n smc_diag_dump_proto+0xd0/0xf0 [smc_diag]\n smc_diag_dump+0x26/0x60 [smc_diag]\n netlink_dump+0x19f/0x320\n __netlink_dump_start+0x1dc/0x300\n smc_diag_handler_dump+0x6a/0x80 [smc_diag]\n ? __pfx_smc_diag_dump+0x10/0x10 [smc_diag]\n sock_diag_rcv_msg+0x121/0x140\n ? __pfx_sock_diag_rcv_msg+0x10/0x10\n netlink_rcv_skb+0x5a/0x110\n sock_diag_rcv+0x28/0x40\n netlink_unicast+0x22a/0x330\n netlink_sendmsg+0x1f8/0x420\n __sock_sendmsg+0xb0/0xc0\n ____sys_sendmsg+0x24e/0x300\n ? copy_msghdr_from_user+0x62/0x80\n ___sys_sendmsg+0x7c/0xd0\n ? __do_fault+0x34/0x160\n ? do_read_fault+0x5f/0x100\n ? do_fault+0xb0/0x110\n ? __handle_mm_fault+0x2b0/0x6c0\n __sys_sendmsg+0x4d/0x80\n do_syscall_64+0x69/0x180\n entry_SYSCALL_64_after_hwframe+0x6e/0x76\n\nIt is possible that the connection is in process of being established\nwhen we dump it. Assumed that the connection has been registered in a\nlink group by smc_conn_create() but the rmb_desc has not yet been\ninitialized by smc_buf_create(), thus causing the illegal access to\nconn->rmb_desc. So fix it by checking before dump."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.19.307", "versionStartIncluding": "4.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.4.269", "versionStartIncluding": "4.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.210", "versionStartIncluding": "4.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.149", "versionStartIncluding": "4.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.76", "versionStartIncluding": "4.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.15", "versionStartIncluding": "4.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.7.3", "versionStartIncluding": "4.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.8", "versionStartIncluding": "4.19"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T20:00:49.787Z"}}}, "cveMetadata": {"cveId": "CVE-2024-26615", "state": "PUBLISHED", "dateUpdated": "2026-05-11T20:00:49.787Z", "dateReserved": "2024-02-19T14:20:24.131Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-02-29T15:52:18.843Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "06B28A70-F49B-4000-8405-B197D1957773", "versionEndExcluding": "4.19.307", "versionStartIncluding": "4.19", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "319545F3-D56C-4751-BEBF-0505478BBAE8", "versionEndExcluding": "5.4.269", "versionStartIncluding": "4.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "F5CB4CA6-A9A0-4AFD-9102-8CF94D708170", "versionEndExcluding": "5.10.210", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0D0465BB-4053-4E15-9137-6696EBAE90FD", "versionEndExcluding": "5.15.149", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "32F0FEB3-5FE1-4400-A56D-886F09BE872E", "versionEndExcluding": "6.1.76", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "87C718CB-AE3D-4B07-B4D9-BFF64183C468", "versionEndExcluding": "6.6.15", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "58FD5308-148A-40D3-B36A-0CA6B434A8BF", "versionEndExcluding": "6.7.3", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc1:*:*:*:*:*:*", "matchCriteriaId": "B9F4EA73-0894-400F-A490-3A397AB7A517", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/smc: fix illegal rmb_desc access in SMC-D connection dump\n\nA crash was found when dumping SMC-D connections. It can be reproduced\nby following steps:\n\n- run nginx/wrk test:\n smc_run nginx\n smc_run wrk -t 16 -c 1000 -d <duration> -H 'Connection: Close' <URL>\n\n- continuously dump SMC-D connections in parallel:\n watch -n 1 'smcss -D'\n\n BUG: kernel NULL pointer dereference, address: 0000000000000030\n CPU: 2 PID: 7204 Comm: smcss Kdump: loaded Tainted: G\tE 6.7.0+ #55\n RIP: 0010:__smc_diag_dump.constprop.0+0x5e5/0x620 [smc_diag]\n Call Trace:\n <TASK>\n ? __die+0x24/0x70\n ? page_fault_oops+0x66/0x150\n ? exc_page_fault+0x69/0x140\n ? asm_exc_page_fault+0x26/0x30\n ? __smc_diag_dump.constprop.0+0x5e5/0x620 [smc_diag]\n ? __kmalloc_node_track_caller+0x35d/0x430\n ? __alloc_skb+0x77/0x170\n smc_diag_dump_proto+0xd0/0xf0 [smc_diag]\n smc_diag_dump+0x26/0x60 [smc_diag]\n netlink_dump+0x19f/0x320\n __netlink_dump_start+0x1dc/0x300\n smc_diag_handler_dump+0x6a/0x80 [smc_diag]\n ? __pfx_smc_diag_dump+0x10/0x10 [smc_diag]\n sock_diag_rcv_msg+0x121/0x140\n ? __pfx_sock_diag_rcv_msg+0x10/0x10\n netlink_rcv_skb+0x5a/0x110\n sock_diag_rcv+0x28/0x40\n netlink_unicast+0x22a/0x330\n netlink_sendmsg+0x1f8/0x420\n __sock_sendmsg+0xb0/0xc0\n ____sys_sendmsg+0x24e/0x300\n ? copy_msghdr_from_user+0x62/0x80\n ___sys_sendmsg+0x7c/0xd0\n ? __do_fault+0x34/0x160\n ? do_read_fault+0x5f/0x100\n ? do_fault+0xb0/0x110\n ? __handle_mm_fault+0x2b0/0x6c0\n __sys_sendmsg+0x4d/0x80\n do_syscall_64+0x69/0x180\n entry_SYSCALL_64_after_hwframe+0x6e/0x76\n\nIt is possible that the connection is in process of being established\nwhen we dump it. Assumed that the connection has been registered in a\nlink group by smc_conn_create() but the rmb_desc has not yet been\ninitialized by smc_buf_create(), thus causing the illegal access to\nconn->rmb_desc. So fix it by checking before dump."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net/smc: corrige el acceso ilegal a rmb_desc en el volcado de conexiones SMC-D Se encontr\u00f3 un bloqueo al volcar conexiones SMC-D. Se puede reproducir mediante los siguientes pasos: - ejecute la prueba nginx/wrk: smc_run nginx smc_run wrk -t 16 -c 1000 -d -H 'Conexi\u00f3n: Cerrar' - volcar continuamente las conexiones SMC-D en paralelo: watch -n 1 'smcss -D' ERROR: desreferencia del puntero NULL del kernel, direcci\u00f3n: 00000000000000030 CPU: 2 PID: 7204 Comm: smcss Kdump: cargado Contaminado: GE 6.7.0+ #55 RIP: 0010:__smc_diag_dump.constprop.0+ 0x5e5/0x620 [smc_diag] Seguimiento de llamadas: ? __morir+0x24/0x70 ? page_fault_oops+0x66/0x150? exc_page_fault+0x69/0x140? asm_exc_page_fault+0x26/0x30? __smc_diag_dump.constprop.0+0x5e5/0x620 [smc_diag] ? __kmalloc_node_track_caller+0x35d/0x430 ? __alloc_skb+0x77/0x170 smc_diag_dump_proto+0xd0/0xf0 [smc_diag] smc_diag_dump+0x26/0x60 [smc_diag] netlink_dump+0x19f/0x320 __netlink_dump_start+0x1dc/0x300 smc_diag_handler_dump+ 0x6a/0x80 [smc_diag] ? __pfx_smc_diag_dump+0x10/0x10 [smc_diag] sock_diag_rcv_msg+0x121/0x140 ? __pfx_sock_diag_rcv_msg+0x10/0x10 netlink_rcv_skb+0x5a/0x110 sock_diag_rcv+0x28/0x40 netlink_unicast+0x22a/0x330 netlink_sendmsg+0x1f8/0x420 __sock_sendmsg+0xb0/0xc0 ____s ys_sendmsg+0x24e/0x300? copy_msghdr_from_user+0x62/0x80 ___sys_sendmsg+0x7c/0xd0 ? __do_fault+0x34/0x160? do_read_fault+0x5f/0x100? do_fault+0xb0/0x110? __handle_mm_fault+0x2b0/0x6c0 __sys_sendmsg+0x4d/0x80 do_syscall_64+0x69/0x180 Entry_SYSCALL_64_after_hwframe+0x6e/0x76 Es posible que la conexi\u00f3n est\u00e9 en proceso de establecerse cuando la volcamos. Se supone que la conexi\u00f3n ha sido registrada en un grupo de enlaces por smc_conn_create() pero rmb_desc a\u00fan no ha sido inicializado por smc_buf_create(), lo que provoca el acceso ilegal a conn-&gt;rmb_desc. As\u00ed que solucionelo comprobando antes del volcado."}], "id": "CVE-2024-26615", "lastModified": "2024-12-12T15:31:02.167", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-03-11T18:15:19.337", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1fea9969b81c67d0cb1611d1b8b7d19049d937be"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/27aea64838914c6122db5b8bd4bed865c9736f22"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5fed92ca32eafbfae8b6bee8ca34cca71c6a8b6d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/68b888d51ac82f2b96bf5e077a31d76afcdef25a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6994dba06321e3c48fdad0ba796a063d9d82183a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8f3f9186e5bb96a9c9654c41653210e3ea7e48a6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a164c2922675d7051805cdaf2b07daffe44f20d9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dbc153fd3c142909e564bb256da087e13fbf239c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1fea9969b81c67d0cb1611d1b8b7d19049d937be"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/27aea64838914c6122db5b8bd4bed865c9736f22"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5fed92ca32eafbfae8b6bee8ca34cca71c6a8b6d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/68b888d51ac82f2b96bf5e077a31d76afcdef25a"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6994dba06321e3c48fdad0ba796a063d9d82183a"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8f3f9186e5bb96a9c9654c41653210e3ea7e48a6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a164c2922675d7051805cdaf2b07daffe44f20d9"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dbc153fd3c142909e564bb256da087e13fbf239c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2024:3627", "cpe": "cpe:/a:redhat:enterprise_linux:8::nfv", "package": "kernel-rt-0:4.18.0-553.5.1.rt7.346.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-06-05T00:00:00Z"}, {"advisory": "RHSA-2024:3618", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-553.5.1.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-06-05T00:00:00Z"}, {"advisory": "RHSA-2024:10939", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.16.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-12-11T00:00:00Z"}, {"advisory": "RHSA-2024:10939", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.16.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-12-11T00:00:00Z"}, {"advisory": "RHSA-2024:10771", "cpe": "cpe:/a:redhat:rhel_eus:9.4", "package": "kernel-0:5.14.0-427.47.1.el9_4", "product_name": "Red Hat Enterprise Linux 9.4 Extended Update Support", "release_date": "2024-12-04T00:00:00Z"}], "bugzilla": {"description": "kernel: net/smc: fix illegal rmb_desc access in SMC-D connection dump", "id": "2267355", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2267355"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet/smc: fix illegal rmb_desc access in SMC-D connection dump\nA crash was found when dumping SMC-D connections. It can be reproduced\nby following steps:\n- run nginx/wrk test:\nsmc_run nginx\nsmc_run wrk -t 16 -c 1000 -d <duration> -H 'Connection: Close' <URL>\n- continuously dump SMC-D connections in parallel:\nwatch -n 1 'smcss -D'\nBUG: kernel NULL pointer dereference, address: 0000000000000030\nCPU: 2 PID: 7204 Comm: smcss Kdump: loaded Tainted: GE 6.7.0+ #55\nRIP: 0010:__smc_diag_dump.constprop.0+0x5e5/0x620 [smc_diag]\nCall Trace:\n<TASK>\n? __die+0x24/0x70\n? page_fault_oops+0x66/0x150\n? exc_page_fault+0x69/0x140\n? asm_exc_page_fault+0x26/0x30\n? __smc_diag_dump.constprop.0+0x5e5/0x620 [smc_diag]\n? __kmalloc_node_track_caller+0x35d/0x430\n? __alloc_skb+0x77/0x170\nsmc_diag_dump_proto+0xd0/0xf0 [smc_diag]\nsmc_diag_dump+0x26/0x60 [smc_diag]\nnetlink_dump+0x19f/0x320\n__netlink_dump_start+0x1dc/0x300\nsmc_diag_handler_dump+0x6a/0x80 [smc_diag]\n? __pfx_smc_diag_dump+0x10/0x10 [smc_diag]\nsock_diag_rcv_msg+0x121/0x140\n? __pfx_sock_diag_rcv_msg+0x10/0x10\nnetlink_rcv_skb+0x5a/0x110\nsock_diag_rcv+0x28/0x40\nnetlink_unicast+0x22a/0x330\nnetlink_sendmsg+0x1f8/0x420\n__sock_sendmsg+0xb0/0xc0\n____sys_sendmsg+0x24e/0x300\n? copy_msghdr_from_user+0x62/0x80\n___sys_sendmsg+0x7c/0xd0\n? __do_fault+0x34/0x160\n? do_read_fault+0x5f/0x100\n? do_fault+0xb0/0x110\n? __handle_mm_fault+0x2b0/0x6c0\n__sys_sendmsg+0x4d/0x80\ndo_syscall_64+0x69/0x180\nentry_SYSCALL_64_after_hwframe+0x6e/0x76\nIt is possible that the connection is in process of being established\nwhen we dump it. Assumed that the connection has been registered in a\nlink group by smc_conn_create() but the rmb_desc has not yet been\ninitialized by smc_buf_create(), thus causing the illegal access to\nconn->rmb_desc. So fix it by checking before dump.", "A flaw was found in the Linux kernel in which functions providing information about SMC-D connections caused a NULL pointer dereference. This flaw allows an attacker with permission to read this information to cause a denial of service."], "mitigation": {"lang": "en:us", "value": "Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible."}, "name": "CVE-2024-26615", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-02-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-26615\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-26615\nhttps://lore.kernel.org/linux-cve-announce/20240229155245.1571576-47-lee@kernel.org/T/#u"], "threat_severity": "Moderate"}

{}