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nvd[email protected]NVD:CVE-2021-20321
HistoryFeb 18, 2022 - 6:15 p.m.

CVE-2021-20321

2022-02-1818:15:08
CWE-362
[email protected]
web.nvd.nist.gov
1

4.7 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

4.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

5.1%

JSON

A race condition accessing file object in the Linux kernel OverlayFS subsystem was found in the way users do rename in specific way with OverlayFS. A local user could use this flaw to crash the system.

Affected configurations

NVD
Node
linuxlinux_kernelRange<5.15
OR
linuxlinux_kernelMatch5.15-
OR
linuxlinux_kernelMatch5.15rc1
OR
linuxlinux_kernelMatch5.15rc2
OR
linuxlinux_kernelMatch5.15rc3
OR
linuxlinux_kernelMatch5.15rc4
Node
redhatenterprise_linuxMatch7.0
OR
redhatenterprise_linuxMatch8.0
Node
debiandebian_linuxMatch9.0
OR
debiandebian_linuxMatch10.0

Related

veracode 1
prion 1
cvelist 1
cve 1
redhatcve 1
oraclelinux 2
nessus 46
redhat 7
rocky 2
osv 12
cnvd 1
debiancve 1
cbl_mariner 1
almalinux 1
ubuntucve 1
mageia 2
openvas 36
ubuntu 6
cloudfoundry 3
amazon 1
photon 1
suse 3
debian 3
ibm 1
slackware 1
veracode
veracode
Denial Of Service (DoS)
2021-12-23 00:41:04
prion
prion
Race condition
2022-02-18 18:15:00
cvelist
cvelist
CVE-2021-20321
2022-02-18 17:50:44
cve
cve
CVE-2021-20321
2022-02-18 18:15:08
redhatcve
redhatcve
CVE-2021-20321
2021-10-13 08:25:06
oraclelinux
oraclelinux
kernel security and bug fix update
2021-12-22 00:00:00
Unbreakable Enterprise kernel security update
2022-02-01 00:00:00
nessus
nessus
CentOS 8 : kernel (CESA-2021:5227)
2021-12-31 00:00:00
RHEL 8 : kernel-rt (RHSA-2021:5241)
2021-12-22 00:00:00
Rocky Linux 8 : kernel-rt (RLSA-2021:5241)
2023-11-06 00:00:00
redhat
redhat
(RHSA-2021:5227) Moderate: kernel security and bug fix update
2021-12-21 09:07:34
(RHSA-2021:5241) Moderate: kernel-rt security and bug fix update
2021-12-21 09:12:29
(RHSA-2022:0043) Low: Red Hat OpenShift Enterprise Logging security and bug fix update (5.2.5)
2022-01-10 07:11:54
rocky
rocky
kernel-rt security and bug fix update
2021-12-21 09:12:29
kernel security and bug fix update
2021-12-21 09:07:34
osv
osv
Moderate: kernel security and bug fix update
2021-12-21 09:07:34
Moderate: kernel-rt security and bug fix update
2021-12-21 09:12:29
Moderate: kernel security and bug fix update
2021-12-21 09:07:34
cnvd
cnvd
Linux kernel competition condition issue vulnerability (CNVD-2022-21490)
2021-12-21 00:00:00
debiancve
debiancve
CVE-2021-20321
2022-02-18 18:15:08
cbl_mariner
cbl_mariner
CVE-2021-20321 affecting package kernel 5.10.189.1-1
2022-03-10 23:47:45
almalinux
almalinux
Moderate: kernel security and bug fix update
2021-12-21 09:07:34
ubuntucve
ubuntucve
CVE-2021-20321
2021-10-18 00:00:00
mageia
mageia
Updated kernel packages fix security vulnerabilities
2021-10-25 18:49:26
Updated kernel-linus packages fix security vulnerabilities
2021-10-25 18:49:26
openvas
openvas
Mageia: Security Advisory (MGASA-2021-0489)
2022-01-28 00:00:00
Mageia: Security Advisory (MGASA-2021-0490)
2022-01-28 00:00:00
Ubuntu: Security Advisory (USN-5209-1)
2022-01-07 00:00:00
ubuntu
ubuntu
Linux kernel vulnerabilities
2022-01-06 00:00:00
Linux kernel vulnerabilities
2022-01-06 00:00:00
Linux kernel regression
2022-01-12 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
amazon
amazon
Important: kernel
2021-10-28 23:22:00
photon
photon
Important Photon OS Security Update - PHSA-2021-3.0-0325
2021-11-04 00:00:00
suse
suse
Security update for the Linux Kernel (important)
2022-05-16 00:00:00
Security update for the Linux Kernel (important)
2022-05-16 00:00:00
Security update for the Linux Kernel (important)
2022-06-17 00:00:00
debian
debian
[SECURITY] [DLA 2843-1] linux security update
2021-12-16 21:27:40
[SECURITY] [DSA 5096-1] linux security update
2022-03-09 15:30:58
[SECURITY] [DLA 2941-1] linux-4.19 security update
2022-03-09 12:40:55
ibm
ibm
Security Bulletin: Multiple vulnerabilities in Linux Kernel affect IBM Spectrum Protect Plus
2022-06-29 23:37:51
slackware
slackware
[slackware-security] Slackware 14.2 kernel
2022-02-01 05:01:08

4.7 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

4.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

5.1%

JSON
Related for NVD:CVE-2021-20321
veracode1prion1cvelist1cve1redhatcve1oraclelinux2nessus46redhat7rocky2osv12cnvd1debiancve1cbl_mariner1almalinux1ubuntucve1mageia2openvas36ubuntu6cloudfoundry3amazon1photon1suse3debian3ibm1slackware1