cvelist/2021/47xxx/CVE-2021-47077.json
2024-11-04 12:05:30 +00:00

113 lines
6.0 KiB
JSON

{
"data_version": "4.0",
"data_type": "CVE",
"data_format": "MITRE",
"CVE_data_meta": {
"ID": "CVE-2021-47077",
"ASSIGNER": "cve@kernel.org",
"STATE": "PUBLIC"
},
"description": {
"description_data": [
{
"lang": "eng",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qedf: Add pointer checks in qedf_update_link_speed()\n\nThe following trace was observed:\n\n [ 14.042059] Call Trace:\n [ 14.042061] <IRQ>\n [ 14.042068] qedf_link_update+0x144/0x1f0 [qedf]\n [ 14.042117] qed_link_update+0x5c/0x80 [qed]\n [ 14.042135] qed_mcp_handle_link_change+0x2d2/0x410 [qed]\n [ 14.042155] ? qed_set_ptt+0x70/0x80 [qed]\n [ 14.042170] ? qed_set_ptt+0x70/0x80 [qed]\n [ 14.042186] ? qed_rd+0x13/0x40 [qed]\n [ 14.042205] qed_mcp_handle_events+0x437/0x690 [qed]\n [ 14.042221] ? qed_set_ptt+0x70/0x80 [qed]\n [ 14.042239] qed_int_sp_dpc+0x3a6/0x3e0 [qed]\n [ 14.042245] tasklet_action_common.isra.14+0x5a/0x100\n [ 14.042250] __do_softirq+0xe4/0x2f8\n [ 14.042253] irq_exit+0xf7/0x100\n [ 14.042255] do_IRQ+0x7f/0xd0\n [ 14.042257] common_interrupt+0xf/0xf\n [ 14.042259] </IRQ>\n\nAPI qedf_link_update() is getting called from QED but by that time\nshost_data is not initialised. This results in a NULL pointer dereference\nwhen we try to dereference shost_data while updating supported_speeds.\n\nAdd a NULL pointer check before dereferencing shost_data."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"affects": {
"vendor": {
"vendor_data": [
{
"vendor_name": "Linux",
"product": {
"product_data": [
{
"product_name": "Linux",
"version": {
"version_data": [
{
"version_affected": "<",
"version_name": "61d8658b4a43",
"version_value": "a6362a737572"
},
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"versions": [
{
"version": "4.11",
"status": "affected"
},
{
"version": "0",
"lessThan": "4.11",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.40",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.12.7",
"lessThanOrEqual": "5.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.13",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
],
"defaultStatus": "affected"
}
}
]
}
}
]
}
}
]
}
},
"references": {
"reference_data": [
{
"url": "https://git.kernel.org/stable/c/a6362a737572f66051deb7637f3f77ddf7a4402f",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/a6362a737572f66051deb7637f3f77ddf7a4402f"
},
{
"url": "https://git.kernel.org/stable/c/11014efcec378bb0050a6cf08eaf375e3693400a",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/11014efcec378bb0050a6cf08eaf375e3693400a"
},
{
"url": "https://git.kernel.org/stable/c/73578af92a0fae6609b955fcc9113e50e413c80f",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/73578af92a0fae6609b955fcc9113e50e413c80f"
}
]
},
"generator": {
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}