VULN/vuln-cve
1
0
Fork 0
Code Pull Requests Actions Activity
Files
2cd685bf8d91184b0cd26ce3ebb9b7380e32cf29
vuln-cve/data/2021/47xxx/CVE-2021-47468.json
T

340 lines
17 KiB
JSON
Raw Blame History

{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2021-47468",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2024-05-22T06:20:56.199Z",
"datePublished": "2024-05-22T06:23:26.982Z",
"dateUpdated": "2026-05-11T13:55:18.400Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-11T13:55:18.400Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nisdn: mISDN: Fix sleeping function called from invalid context\n\nThe driver can call card->isac.release() function from an atomic\ncontext.\n\nFix this by calling this function after releasing the lock.\n\nThe following log reveals it:\n\n[ 44.168226 ] BUG: sleeping function called from invalid context at kernel/workqueue.c:3018\n[ 44.168941 ] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 5475, name: modprobe\n[ 44.169574 ] INFO: lockdep is turned off.\n[ 44.169899 ] irq event stamp: 0\n[ 44.170160 ] hardirqs last enabled at (0): [<0000000000000000>] 0x0\n[ 44.170627 ] hardirqs last disabled at (0): [<ffffffff814209ed>] copy_process+0x132d/0x3e00\n[ 44.171240 ] softirqs last enabled at (0): [<ffffffff81420a1a>] copy_process+0x135a/0x3e00\n[ 44.171852 ] softirqs last disabled at (0): [<0000000000000000>] 0x0\n[ 44.172318 ] Preemption disabled at:\n[ 44.172320 ] [<ffffffffa009b0a9>] nj_release+0x69/0x500 [netjet]\n[ 44.174441 ] Call Trace:\n[ 44.174630 ] dump_stack_lvl+0xa8/0xd1\n[ 44.174912 ] dump_stack+0x15/0x17\n[ 44.175166 ] ___might_sleep+0x3a2/0x510\n[ 44.175459 ] ? nj_release+0x69/0x500 [netjet]\n[ 44.175791 ] __might_sleep+0x82/0xe0\n[ 44.176063 ] ? start_flush_work+0x20/0x7b0\n[ 44.176375 ] start_flush_work+0x33/0x7b0\n[ 44.176672 ] ? trace_irq_enable_rcuidle+0x85/0x170\n[ 44.177034 ] ? kasan_quarantine_put+0xaa/0x1f0\n[ 44.177372 ] ? kasan_quarantine_put+0xaa/0x1f0\n[ 44.177711 ] __flush_work+0x11a/0x1a0\n[ 44.177991 ] ? flush_work+0x20/0x20\n[ 44.178257 ] ? lock_release+0x13c/0x8f0\n[ 44.178550 ] ? __kasan_check_write+0x14/0x20\n[ 44.178872 ] ? do_raw_spin_lock+0x148/0x360\n[ 44.179187 ] ? read_lock_is_recursive+0x20/0x20\n[ 44.179530 ] ? __kasan_check_read+0x11/0x20\n[ 44.179846 ] ? do_raw_spin_unlock+0x55/0x900\n[ 44.180168 ] ? ____kasan_slab_free+0x116/0x140\n[ 44.180505 ] ? _raw_spin_unlock_irqrestore+0x41/0x60\n[ 44.180878 ] ? skb_queue_purge+0x1a3/0x1c0\n[ 44.181189 ] ? kfree+0x13e/0x290\n[ 44.181438 ] flush_work+0x17/0x20\n[ 44.181695 ] mISDN_freedchannel+0xe8/0x100\n[ 44.182006 ] isac_release+0x210/0x260 [mISDNipac]\n[ 44.182366 ] nj_release+0xf6/0x500 [netjet]\n[ 44.182685 ] nj_remove+0x48/0x70 [netjet]\n[ 44.182989 ] pci_device_remove+0xa9/0x250"
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/isdn/hardware/mISDN/netjet.c"
],
"versions": [
{
"version": "a900845e56617edc005fd8f35bfd5a407aaf96c8",
"lessThan": "6f95c97e0f9d6eb39c3f2cb45e8fa4268d1b372b",
"status": "affected",
"versionType": "git"
},
{
"version": "a900845e56617edc005fd8f35bfd5a407aaf96c8",
"lessThan": "ef269a8808cb1759245a98a7fe16fceaebad894c",
"status": "affected",
"versionType": "git"
},
{
"version": "a900845e56617edc005fd8f35bfd5a407aaf96c8",
"lessThan": "37e4f57b22cc5ebb3f80cf0f74fdeb487f082367",
"status": "affected",
"versionType": "git"
},
{
"version": "a900845e56617edc005fd8f35bfd5a407aaf96c8",
"lessThan": "a5b34409d3fc52114c828be4adbc30744fa3258b",
"status": "affected",
"versionType": "git"
},
{
"version": "a900845e56617edc005fd8f35bfd5a407aaf96c8",
"lessThan": "4054b869dc263228d30a4755800b78f0f2ba0c89",
"status": "affected",
"versionType": "git"
},
{
"version": "a900845e56617edc005fd8f35bfd5a407aaf96c8",
"lessThan": "9f591cbdbed3d7822b2bdba89b34a6d7b434317d",
"status": "affected",
"versionType": "git"
},
{
"version": "a900845e56617edc005fd8f35bfd5a407aaf96c8",
"lessThan": "f5966ba53013149bcf94e1536644a958dd00a026",
"status": "affected",
"versionType": "git"
},
{
"version": "a900845e56617edc005fd8f35bfd5a407aaf96c8",
"lessThan": "6510e80a0b81b5d814e3aea6297ba42f5e76f73c",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/isdn/hardware/mISDN/netjet.c"
],
"versions": [
{
"version": "2.6.32",
"status": "affected"
},
{
"version": "0",
"lessThan": "2.6.32",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "4.4.290",
"lessThanOrEqual": "4.4.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "4.9.288",
"lessThanOrEqual": "4.9.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "4.14.253",
"lessThanOrEqual": "4.14.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "4.19.214",
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.4.156",
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.76",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.14.15",
"lessThanOrEqual": "5.14.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15",
"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": "2.6.32",
"versionEndExcluding": "4.4.290"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.32",
"versionEndExcluding": "4.9.288"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.32",
"versionEndExcluding": "4.14.253"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.32",
"versionEndExcluding": "4.19.214"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.32",
"versionEndExcluding": "5.4.156"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.32",
"versionEndExcluding": "5.10.76"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.32",
"versionEndExcluding": "5.14.15"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.32",
"versionEndExcluding": "5.15"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/6f95c97e0f9d6eb39c3f2cb45e8fa4268d1b372b"
},
{
"url": "https://git.kernel.org/stable/c/ef269a8808cb1759245a98a7fe16fceaebad894c"
},
{
"url": "https://git.kernel.org/stable/c/37e4f57b22cc5ebb3f80cf0f74fdeb487f082367"
},
{
"url": "https://git.kernel.org/stable/c/a5b34409d3fc52114c828be4adbc30744fa3258b"
},
{
"url": "https://git.kernel.org/stable/c/4054b869dc263228d30a4755800b78f0f2ba0c89"
},
{
"url": "https://git.kernel.org/stable/c/9f591cbdbed3d7822b2bdba89b34a6d7b434317d"
},
{
"url": "https://git.kernel.org/stable/c/f5966ba53013149bcf94e1536644a958dd00a026"
},
{
"url": "https://git.kernel.org/stable/c/6510e80a0b81b5d814e3aea6297ba42f5e76f73c"
}
],
"title": "isdn: mISDN: Fix sleeping function called from invalid context",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"providerMetadata": {
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE",
"dateUpdated": "2024-08-04T05:39:59.530Z"
},
"title": "CVE Program Container",
"references": [
{
"url": "https://git.kernel.org/stable/c/6f95c97e0f9d6eb39c3f2cb45e8fa4268d1b372b",
"tags": [
"x_transferred"
]
},
{
"url": "https://git.kernel.org/stable/c/ef269a8808cb1759245a98a7fe16fceaebad894c",
"tags": [
"x_transferred"
]
},
{
"url": "https://git.kernel.org/stable/c/37e4f57b22cc5ebb3f80cf0f74fdeb487f082367",
"tags": [
"x_transferred"
]
},
{
"url": "https://git.kernel.org/stable/c/a5b34409d3fc52114c828be4adbc30744fa3258b",
"tags": [
"x_transferred"
]
},
{
"url": "https://git.kernel.org/stable/c/4054b869dc263228d30a4755800b78f0f2ba0c89",
"tags": [
"x_transferred"
]
},
{
"url": "https://git.kernel.org/stable/c/9f591cbdbed3d7822b2bdba89b34a6d7b434317d",
"tags": [
"x_transferred"
]
},
{
"url": "https://git.kernel.org/stable/c/f5966ba53013149bcf94e1536644a958dd00a026",
"tags": [
"x_transferred"
]
},
{
"url": "https://git.kernel.org/stable/c/6510e80a0b81b5d814e3aea6297ba42f5e76f73c",
"tags": [
"x_transferred"
]
}
]
},
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2021-47468",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2024-09-10T15:36:08.496744Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2024-09-11T17:32:53.524Z"
}
}
]
}
}
View Git Blame Copy Permalink