171 lines
8.0 KiB
JSON
171 lines
8.0 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2022-49973",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2025-06-18T10:57:27.384Z",
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"datePublished": "2025-06-18T11:00:36.303Z",
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"dateUpdated": "2026-11-05T20:00:12.759Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-05-23T15:23:27.189Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nskmsg: Fix wrong last sg check in sk_msg_recvmsg()\n\nFix one kernel NULL pointer dereference as below:\n\n[ 224.462334] Call Trace:\n[ 224.462394] __tcp_bpf_recvmsg+0xd3/0x380\n[ 224.462441] ? sock_has_perm+0x78/0xa0\n[ 224.462463] tcp_bpf_recvmsg+0x12e/0x220\n[ 224.462494] inet_recvmsg+0x5b/0xd0\n[ 224.462534] __sys_recvfrom+0xc8/0x130\n[ 224.462574] ? syscall_trace_enter+0x1df/0x2e0\n[ 224.462606] ? __do_page_fault+0x2de/0x500\n[ 224.462635] __x64_sys_recvfrom+0x24/0x30\n[ 224.462660] do_syscall_64+0x5d/0x1d0\n[ 224.462709] entry_SYSCALL_64_after_hwframe+0x65/0xca\n\nIn commit 9974d37ea75f (\"skmsg: Fix invalid last sg check in\nsk_msg_recvmsg()\"), we change last sg check to sg_is_last(),\nbut in sockmap redirection case (without stream_parser/stream_verdict/\nskb_verdict), we did not mark the end of the scatterlist. Check the\nsk_msg_alloc, sk_msg_page_add, and bpf_msg_push_data functions, they all\ndo not mark the end of sg. They are expected to use sg.end for end\njudgment. So the judgment of '(i != msg_rx->sg.end)' is added back here."
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"net/core/skmsg.c"
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],
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"versions": [
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{
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"version": "293c53b7dbf9073cbcc488f938bc053ff4caeec0",
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"lessThan": "de22cba333d8699ad77e79f862fe1320cb1284de",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "1295dae30f30c3daa03005ed8958d44b17f037fd",
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"lessThan": "10ee118a1756141f8e9c87aa7344ed12b41630a8",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "9974d37ea75f01b47d16072b5dad305bd8d23fcc",
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"lessThan": "583585e48d965338e73e1eb383768d16e0922d73",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "4674c0da448b546e390a981b819cd4af5cb16cf9",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "5.18.18",
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"lessThan": "5.19",
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"status": "affected",
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"versionType": "semver"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"net/core/skmsg.c"
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],
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"versions": [
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{
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"version": "5.15.61",
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"lessThan": "5.15.66",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "5.19.2",
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"lessThan": "5.19.8",
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"status": "affected",
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"versionType": "semver"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.15.61",
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"versionEndExcluding": "5.15.66"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.19.2",
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"versionEndExcluding": "5.19.8"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.18.18"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/de22cba333d8699ad77e79f862fe1320cb1284de"
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},
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{
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"url": "https://git.kernel.org/stable/c/10ee118a1756141f8e9c87aa7344ed12b41630a8"
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},
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{
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"url": "https://git.kernel.org/stable/c/583585e48d965338e73e1eb383768d16e0922d73"
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}
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],
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"title": "skmsg: Fix wrong last sg check in sk_msg_recvmsg()",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2022-49973",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"version": "2.0.3",
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"timestamp": "2026-11-05T19:52:17.325840Z"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-11-05T20:00:12.759Z"
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}
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}
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]
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}
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} |