An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system.
{
"cna_assigner": "redhat",
"cwe_ids": [
"CWE-787"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3812.json",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
{
"fixed": "0:4.18.0-513.9.1.rt7.311.el8_9"
},
{
"fixed": "0:4.18.0-513.9.1.el8_9"
},
{
"fixed": "0:4.18.0-147.94.1.el8_1"
},
{
"fixed": "0:4.18.0-193.133.1.el8_2"
},
{
"fixed": "0:4.18.0-193.133.1.rt13.184.el8_2"
},
{
"fixed": "0:4.18.0-193.133.1.el8_2"
},
{
"fixed": "0:4.18.0-193.133.1.el8_2"
},
{
"fixed": "0:4.18.0-305.120.1.el8_4"
},
{
"fixed": "0:4.18.0-305.120.1.rt7.196.el8_4"
},
{
"fixed": "0:4.18.0-305.120.1.el8_4"
},
{
"fixed": "0:4.18.0-305.120.1.el8_4"
},
{
"fixed": "0:4.18.0-372.87.1.el8_6"
},
{
"fixed": "0:4.18.0-477.43.1.el8_8"
},
{
"fixed": "0:5.14.0-362.18.1.el9_3"
},
{
"fixed": "0:5.14.0-362.18.1.el9_3"
},
{
"fixed": "0:5.14.0-70.80.1.el9_0"
},
{
"fixed": "0:5.14.0-70.80.1.rt21.151.el9_0"
},
{
"fixed": "0:5.14.0-284.40.1.el9_2"
},
{
"fixed": "0:5.14.0-284.40.1.rt14.325.el9_2"
},
{
"fixed": "0:4.18.0-372.87.1.el8_6"
}
],
"source": "AFFECTED_FIELD",
"strategy": "InverseAffectedRanges"
}
]
}
]
}{
"extracted_events": [
{
"range": [
{
"fixed": "363a5328f4b0517e59572118ccfb7c626d81dca9"
}
],
"source": "REFERENCES_COMMIT"
}
]
}