CVE-2021-20265
Published Mar 10, 2021
Last updated 2 years ago
Overview
- Description
- A flaw was found in the way memory resources were freed in the unix_stream_recvmsg function in the Linux kernel when a signal was pending. This flaw allows an unprivileged local user to crash the system by exhausting available memory. The highest threat from this vulnerability is to system availability.
- Source
- secalert@redhat.com
- NVD status
- Analyzed
Social media
- Hype score
- Not currently trending
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 5.5
- Impact score
- 3.6
- Exploitability score
- 1.8
- Vector string
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 4.9
- Impact score
- 6.9
- Exploitability score
- 3.9
- Vector string
- AV:L/AC:L/Au:N/C:N/I:N/A:C
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:oracle:tekelec_platform_distribution:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "26F05F85-7458-4C8F-B93F-93C92E506A40",
"versionEndIncluding": "7.7.1",
"versionStartIncluding": "7.4.0"
}
],
"operator": "OR"
}
]
}
]