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ubuntuUbuntuUSN-5211-1
HistoryJan 06, 2022 - 12:00 a.m.

Linux kernel vulnerability

2022-01-0600:00:00
ubuntu.com
94

3.6 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

4.4 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

6.4 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.9%

JSON

Releases

  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Packages

  • linux - Linux kernel
  • linux-aws - Linux kernel for Amazon Web Services (AWS) systems
  • linux-kvm - Linux kernel for cloud environments
  • linux-lts-xenial - Linux hardware enablement kernel from Xenial for Trusty

Details

Nadav Amit discovered that the hugetlb implementation in the Linux kernel
did not perform TLB flushes under certain conditions. A local attacker
could use this to leak or alter data from other processes that use huge
pages.

Related

redhatcve 1
osv 15
prion 1
veracode 1
cbl_mariner 2
nvd 1
ubuntucve 1
nessus 54
cvelist 1
cnvd 1
cve 1
ubuntu 8
openvas 39
debiancve 1
fedora 1
amazon 4
mageia 2
photon 6
cloudfoundry 3
oraclelinux 4
suse 3
ibm 2
debian 3
slackware 1
rocky 2
almalinux 1
redhat 7
oracle 1
redhatcve
redhatcve
CVE-2021-4002
2021-11-26 14:21:44
osv
osv
linux-oem-5.14 vulnerability
2022-01-05 17:31:03
linux, linux-aws, linux-kvm, linux-lts-xenial vulnerability
2022-01-06 03:56:57
CVE-2021-4002
2022-03-03 22:15:08
prion
prion
Memory corruption
2022-03-03 22:15:00
veracode
veracode
Privilege Escalation
2022-01-15 00:29:18
cbl_mariner
cbl_mariner
CVE-2021-4002 affecting package kernel for versions less than 5.15.32.1-2
2022-04-26 19:58:10
CVE-2021-4002 affecting package kernel 5.10.189.1-1
2022-05-12 02:17:02
nvd
nvd
CVE-2021-4002
2022-03-03 22:15:08
ubuntucve
ubuntucve
CVE-2021-4002
2021-11-26 00:00:00
nessus
nessus
Ubuntu 16.04 ESM : Linux kernel vulnerability (USN-5211-1)
2022-01-06 00:00:00
Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerability (USN-5206-1)
2022-01-06 00:00:00
Amazon Linux 2 : kernel (ALAS-2021-1727)
2021-12-10 00:00:00
cvelist
cvelist
CVE-2021-4002
2022-03-03 21:42:47
cnvd
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Linux kernel has unspecified vulnerabilities (CNVD-2022-21492)
2021-11-30 00:00:00
cve
cve
CVE-2021-4002
2022-03-03 22:15:08
ubuntu
ubuntu
Linux kernel (OEM) vulnerability
2022-01-05 00:00:00
Linux kernel (OEM) vulnerabilities
2022-01-05 00:00:00
Kernel Live Patch Security Notice
2022-01-06 00:00:00
openvas
openvas
Ubuntu: Security Advisory (USN-5206-1)
2022-01-07 00:00:00
Ubuntu: Security Advisory (USN-5211-1)
2022-08-26 00:00:00
Fedora: Security Advisory for kernel (FEDORA-2021-19ad835cb3)
2021-12-04 00:00:00
debiancve
debiancve
CVE-2021-4002
2022-03-03 22:15:08
fedora
fedora
[SECURITY] Fedora 35 Update: kernel-5.15.5-200.fc35
2021-11-30 01:22:50
amazon
amazon
Medium: kernel
2021-12-08 02:23:00
Medium: kernel
2021-12-08 02:23:00
Important: kernel
2022-02-04 23:24:00
mageia
mageia
Updated kernel packages fix security vulnerabilities
2021-12-05 22:06:44
Updated kernel-linus packages fix security vulnerabilities
2021-12-05 22:06:44
photon
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Important Photon OS Security Update - PHSA-2021-0138
2021-12-13 00:00:00
Important Photon OS Security Update - PHSA-2022-0460
2022-01-05 00:00:00
Important Photon OS Security Update - PHSA-2021-4.0-0138
2021-12-13 00:00:00
cloudfoundry
cloudfoundry
USN-5209-1: Linux kernel vulnerabilities | Cloud Foundry
2022-03-08 00:00:00
USN-5210-1: Linux kernel vulnerabilities | Cloud Foundry
2022-01-20 00:00:00
USN-5210-2: Linux kernel regression | Cloud Foundry
2022-01-20 00:00:00
oraclelinux
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Unbreakable Enterprise kernel security update
2022-05-03 00:00:00
Unbreakable Enterprise kernel-container security update
2022-04-25 00:00:00
Unbreakable Enterprise kernel security update
2022-04-25 00:00:00
suse
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2022-05-07 00:00:00
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2022-03-01 00:00:00
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2022-02-10 00:00:00
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Security Bulletin: Vulnerabilities in the Linux Kernel affect IBM Spectrum Copy Data Management
2022-06-09 17:51:49
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2022-06-29 23:37:51
debian
debian
[SECURITY] [DLA 2940-1] linux security update
2022-03-09 12:40:13
[SECURITY] [DSA 5096-1] linux security update
2022-03-09 15:30:58
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2022-03-09 12:40:55
slackware
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[slackware-security] Slackware 14.2 kernel
2022-02-01 05:01:08
rocky
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2022-05-10 06:42:36
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2022-05-10 08:11:36
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almalinux
Important: kernel security, bug fix, and enhancement update
2022-05-10 08:11:36
redhat
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(RHSA-2022:1975) Important: kernel-rt security and bug fix update
2022-05-10 06:42:36
(RHSA-2022:1988) Important: kernel security, bug fix, and enhancement update
2022-05-10 08:11:36
(RHSA-2022:4814) Moderate: Migration Toolkit for Containers (MTC) 1.6.5 security and bug fix update
2022-05-31 09:45:12
oracle
oracle
Oracle Critical Patch Update Advisory - July 2022
2022-07-19 00:00:00

3.6 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

4.4 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

6.4 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.9%

JSON
Related for USN-5211-1
redhatcve1osv15prion1veracode1cbl_mariner2nvd1ubuntucve1nessus54cvelist1cnvd1cve1ubuntu8openvas39debiancve1fedora1amazon4mageia2photon6cloudfoundry3oraclelinux4suse3ibm2debian3slackware1rocky2almalinux1redhat7oracle1