235 lines
12 KiB
JSON
235 lines
12 KiB
JSON
{
|
|
"dataType": "CVE_RECORD",
|
|
"dataVersion": "5.2",
|
|
"cveMetadata": {
|
|
"cveId": "CVE-2023-53110",
|
|
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
|
|
"state": "PUBLISHED",
|
|
"assignerShortName": "Linux",
|
|
"dateReserved": "2025-05-02T15:51:43.554Z",
|
|
"datePublished": "2025-05-02T15:55:50.367Z",
|
|
"dateUpdated": "2026-10-15T21:41:26.885Z"
|
|
},
|
|
"containers": {
|
|
"cna": {
|
|
"providerMetadata": {
|
|
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
|
|
"shortName": "Linux",
|
|
"dateUpdated": "2026-08-05T09:12:49.931Z"
|
|
},
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/smc: fix NULL sndbuf_desc in smc_cdc_tx_handler()\n\nWhen performing a stress test on SMC-R by rmmod mlx5_ib driver\nduring the wrk/nginx test, we found that there is a probability\nof triggering a panic while terminating all link groups.\n\nThis issue dues to the race between smc_smcr_terminate_all()\nand smc_buf_create().\n\n\t\t\tsmc_smcr_terminate_all\n\nsmc_buf_create\n/* init */\nconn->sndbuf_desc = NULL;\n...\n\n\t\t\t__smc_lgr_terminate\n\t\t\t\tsmc_conn_kill\n\t\t\t\t\tsmc_close_abort\n\t\t\t\t\t\tsmc_cdc_get_slot_and_msg_send\n\n\t\t\t__softirqentry_text_start\n\t\t\t\tsmc_wr_tx_process_cqe\n\t\t\t\t\tsmc_cdc_tx_handler\n\t\t\t\t\t\tREAD(conn->sndbuf_desc->len);\n\t\t\t\t\t\t/* panic dues to NULL sndbuf_desc */\n\nconn->sndbuf_desc = xxx;\n\nThis patch tries to fix the issue by always to check the sndbuf_desc\nbefore send any cdc msg, to make sure that no null pointer is\nseen during cqe processing."
|
|
}
|
|
],
|
|
"metrics": [
|
|
{
|
|
"cvssV3_1": {
|
|
"version": "3.1",
|
|
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
|
|
"baseScore": 7.5,
|
|
"baseSeverity": "HIGH"
|
|
},
|
|
"scenarios": [
|
|
{
|
|
"lang": "en",
|
|
"value": "AV:N - The race window is on the SMC server listen path (smc_listen_work → smc_listen_rdma_init → smc_conn_create then smc_buf_create), driven by remote CLC over TCP and peer LLC DELETE_LINK/protocol events over RoCE; SMC-Rv2/RoCEv2 and CLC are IP-routable, matching other SMC remote scores.\nAC:L - A remote peer controls both sides: it opens handshakes that register a connection with sndbuf_desc still NULL, and can force __smc_lgr_terminate via LLC DELETE_LINK ALL or CLC decline, retrying across parallel connections through a wide sleeping buf-create window.\nPR:N - CLC/LLC run before any application authentication; SMC performs no peer credential checks, and reaching an AF_SMC listener needs no account or capability on the target.\nUI:N - The listen worker and terminate_work run automatically on inbound SMC traffic and peer link teardown with no local user action required.\nS:U - The NULL dereference oops stays inside the host kernel SMC/RDMA softirq path and does not cross a VM, IOMMU, or other security authority.\nC:N - smc_cdc_tx_handler only loads conn->sndbuf_desc->len when sndbuf_desc is still NULL (never assigned); this is a pure NULL pointer dereference with no UAF/OOB read or disclosure primitive.\nI:N - The fault is a NULL dereference on a never-set pointer under mmap_min_addr, with no OOB write, type confusion, or other corruption that could yield a write or code-execution primitive.\nA:H - The documented failure is a kernel panic/oops in softirq (smc_wr_tx_process_cqe → smc_cdc_tx_handler reading sndbuf_desc->len), which is High availability impact and is remotely repeatable."
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"affected": [
|
|
{
|
|
"product": "Linux",
|
|
"vendor": "Linux",
|
|
"defaultStatus": "unaffected",
|
|
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
|
|
"programFiles": [
|
|
"net/smc/smc_cdc.c"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "0b29ec6436138721acf5844e558f7334a0fa61d5",
|
|
"lessThan": "31817c530768b0199771ec6019571b4f0ddbf230",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "0b29ec6436138721acf5844e558f7334a0fa61d5",
|
|
"lessThan": "b108bd9e6be000492ebebe867daa699285978a10",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "0b29ec6436138721acf5844e558f7334a0fa61d5",
|
|
"lessThan": "3c270435db8aa34929263dddae8fd050f5216ecb",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "0b29ec6436138721acf5844e558f7334a0fa61d5",
|
|
"lessThan": "3ebac7cf0a184a8102821a7a00203f02bebda83c",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "0b29ec6436138721acf5844e558f7334a0fa61d5",
|
|
"lessThan": "22a825c541d775c1dbe7b2402786025acad6727b",
|
|
"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_cdc.c"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "5.5",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "0",
|
|
"lessThan": "5.5",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "5.10.176",
|
|
"lessThanOrEqual": "5.10.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "5.15.104",
|
|
"lessThanOrEqual": "5.15.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "6.1.21",
|
|
"lessThanOrEqual": "6.1.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "6.2.8",
|
|
"lessThanOrEqual": "6.2.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "6.3",
|
|
"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": "5.5",
|
|
"versionEndExcluding": "5.10.176"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "5.5",
|
|
"versionEndExcluding": "5.15.104"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "5.5",
|
|
"versionEndExcluding": "6.1.21"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "5.5",
|
|
"versionEndExcluding": "6.2.8"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "5.5",
|
|
"versionEndExcluding": "6.3"
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"references": [
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/31817c530768b0199771ec6019571b4f0ddbf230"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/b108bd9e6be000492ebebe867daa699285978a10"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/3c270435db8aa34929263dddae8fd050f5216ecb"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/3ebac7cf0a184a8102821a7a00203f02bebda83c"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/22a825c541d775c1dbe7b2402786025acad6727b"
|
|
}
|
|
],
|
|
"title": "net/smc: fix NULL sndbuf_desc in smc_cdc_tx_handler()",
|
|
"x_generator": {
|
|
"engine": "bippy-1.2.0"
|
|
}
|
|
},
|
|
"adp": [
|
|
{
|
|
"metrics": [
|
|
{
|
|
"other": {
|
|
"type": "ssvc",
|
|
"content": {
|
|
"id": "CVE-2023-53110",
|
|
"role": "CISA Coordinator",
|
|
"options": [
|
|
{
|
|
"Exploitation": "none"
|
|
},
|
|
{
|
|
"Automatable": "yes"
|
|
},
|
|
{
|
|
"Technical Impact": "partial"
|
|
}
|
|
],
|
|
"version": "2.0.3",
|
|
"timestamp": "2026-10-15T21:33:55.502360Z"
|
|
}
|
|
}
|
|
}
|
|
],
|
|
"title": "CISA ADP Vulnrichment",
|
|
"providerMetadata": {
|
|
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
|
|
"shortName": "CISA-ADP",
|
|
"dateUpdated": "2026-10-15T21:41:26.885Z"
|
|
}
|
|
}
|
|
]
|
|
}
|
|
} |