blob: f6ab772e2ce81215eaf99f35bb97567c7a2e8a13 [file] [log] [blame]
{
"containers": {
"cna": {
"providerMetadata": {
"orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nenetc: Fix illegal access when reading affinity_hint\n\nirq_set_affinity_hit() stores a reference to the cpumask_t\nparameter in the irq descriptor, and that reference can be\naccessed later from irq_affinity_hint_proc_show(). Since\nthe cpu_mask parameter passed to irq_set_affinity_hit() has\nonly temporary storage (it's on the stack memory), later\naccesses to it are illegal. Thus reads from the corresponding\nprocfs affinity_hint file can result in paging request oops.\n\nThe issue is fixed by the get_cpu_mask() helper, which provides\na permanent storage for the cpumask_t parameter."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/net/ethernet/freescale/enetc/enetc.c"
],
"versions": [
{
"version": "d4fd0404c1c95b17880f254ebfee3485693fa8ba",
"lessThan": "4c4c3052911b577920353a7646e4883d5da40c28",
"status": "affected",
"versionType": "git"
},
{
"version": "d4fd0404c1c95b17880f254ebfee3485693fa8ba",
"lessThan": "6c3f1b741c6c2914ea120e3a5790d3e900152f7b",
"status": "affected",
"versionType": "git"
},
{
"version": "d4fd0404c1c95b17880f254ebfee3485693fa8ba",
"lessThan": "6f329d9da2a5ae032fcde800a99b118124ed5270",
"status": "affected",
"versionType": "git"
},
{
"version": "d4fd0404c1c95b17880f254ebfee3485693fa8ba",
"lessThan": "7237a494decfa17d0b9d0076e6cee3235719de90",
"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/net/ethernet/freescale/enetc/enetc.c"
],
"versions": [
{
"version": "5.1",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.1",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.4.150",
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.70",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.14.9",
"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": "5.1",
"versionEndExcluding": "5.4.150"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.1",
"versionEndExcluding": "5.10.70"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.1",
"versionEndExcluding": "5.14.9"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.1",
"versionEndExcluding": "5.15"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/4c4c3052911b577920353a7646e4883d5da40c28"
},
{
"url": "https://git.kernel.org/stable/c/6c3f1b741c6c2914ea120e3a5790d3e900152f7b"
},
{
"url": "https://git.kernel.org/stable/c/6f329d9da2a5ae032fcde800a99b118124ed5270"
},
{
"url": "https://git.kernel.org/stable/c/7237a494decfa17d0b9d0076e6cee3235719de90"
}
],
"title": "enetc: Fix illegal access when reading affinity_hint",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
"cveID": "CVE-2021-47368",
"requesterUserId": "gregkh@kernel.org",
"serial": "1",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.0"
}