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cve[email protected]CVE-2021-20265
HistoryMar 10, 2021 - 4:15 p.m.

CVE-2021-20265

2021-03-1016:15:00
CWE-401
[email protected]
web.nvd.nist.gov
259
5
linux
kernel
memory exhaustion
vulnerability
system availability
cve-2021-20265

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

5.5 Medium

AI Score

Confidence

High

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:N/I:N/A:C

0.0004 Low

EPSS

Percentile

9.0%

JSON

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.

VendorProductVersionCPE
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Social References

More

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Virtuozzo ReadyKernel patch 124.1 for Virtuozzo Hybrid Server 7.0, 7.5, Virtuozzo Infrastructure Platform 3.0, and Virtuozzo Hybrid Infrastructure 3.5, 4.0
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[Security] Virtuozzo ReadyKernel patch 124.0 for Virtuozzo Hybrid Server 7.0, 7.5, Virtuozzo Infrastructure Platform 3.0, and Virtuozzo Hybrid Infrastructure 3.5, 4.0
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(RHSA-2021:1288) Important: kernel security and bug fix update
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CentOS: Security Advisory for bpftool (CESA-2021:0856)
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Huawei EulerOS: Security Advisory for kernel (EulerOS-SA-2021-2221)
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SUSE: Security Advisory (SUSE-SU-2021:14849-1)
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cloudlinux
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Fix of CVE: CVE-2021-34693, CVE-2021-20292, CVE-2021-28972, CVE-2021-20265, CVE-2021-32399, CVE-2014-4508, CVE-2021-3612, CVE-2021-3178, CVE-2021-37159, CVE-2021-38205, CVE-2021-3573, CVE-2021-38160
2021-09-21 22:11:09
Fix of CVE: CVE-2021-38160, CVE-2021-3573, CVE-2021-38205, CVE-2021-3178, CVE-2021-20265, CVE-2021-3612, CVE-2021-32399, CVE-2021-37159, CVE-2014-4508, CVE-2021-28972, CVE-2021-34693, CVE-2021-20292
2021-09-21 22:11:36
oracle
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Oracle Critical Patch Update Advisory - October 2021
2021-10-19 00:00:00

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

5.5 Medium

AI Score

Confidence

High

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:N/I:N/A:C

0.0004 Low

EPSS

Percentile

9.0%

JSON
Related for CVE-2021-20265
virtuozzo3debiancve1prion1ubuntucve1veracode1nessus20redhat4oraclelinux2ibm3centos1openvas7cloudlinux2oracle1