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cvelistMitreCVELIST:CVE-2021-33909
HistoryJul 20, 2021 - 6:01 p.m.

CVE-2021-33909

2021-07-2018:01:34
mitre
www.cve.org
1

8 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

55.1%

JSON

fs/seq_file.c in the Linux kernel 3.16 through 5.13.x before 5.13.4 does not properly restrict seq buffer allocations, leading to an integer overflow, an Out-of-bounds Write, and escalation to root by an unprivileged user, aka CID-8cae8cd89f05.

References

Related

osv 11
nessus 71
oraclelinux 11
fedora 3
cnvd 1
githubexploit 4
openvas 22
amazon 2
f5 1
redhat 21
prion 1
nvd 1
cloudlinux 2
ubuntu 7
veracode 1
cbl_mariner 2
redhatcve 1
virtuozzo 1
debiancve 1
cve 1
ubuntucve 1
attackerkb 2
qualysblog 3
rocky 1
avleonov 1
photon 6
suse 3
almalinux 1
archlinux 4
mageia 2
thn 1
ibm 1
cloudfoundry 1
packetstorm 1
debian 5
centos 1
osv
osv
[Security] Linux kernel vulnerability advisory
2021-12-01 00:00:00
CVE-2021-33909
2021-07-20 19:15:09
linux, linux-aws, linux-azure, linux-gcp, linux-gke-5.3, linux-hwe, linux-lts-xenial, linux-kvm, linux-oracle, linux-raspi, linux-raspi2-5.3 vulnerability
2021-07-20 21:33:45
nessus
nessus
RHEL 8 : kernel (RHSA-2021:2722)
2021-07-21 00:00:00
Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2021-9371)
2021-07-22 00:00:00
Amazon Linux 2 : kernel (ALASKERNEL-5.10-2022-003)
2022-05-02 00:00:00
oraclelinux
oraclelinux
Unbreakable Enterprise kernel-container security update
2021-07-22 00:00:00
Unbreakable Enterprise kernel-container security update
2021-07-22 00:00:00
Unbreakable Enterprise kernel security update
2021-07-22 00:00:00
fedora
fedora
[SECURITY] Fedora 34 Update: kernel-tools-5.13.3-200.fc34
2021-07-22 01:15:35
[SECURITY] Fedora 34 Update: kernel-5.13.4-200.fc34
2021-07-22 01:15:35
[SECURITY] Fedora 34 Update: kernel-headers-5.13.3-200.fc34
2021-07-22 01:15:35
cnvd
cnvd
Linux kernel input validation error vulnerability (CNVD-2021-53926)
2021-07-23 00:00:00
githubexploit
githubexploit
Exploit for Classic Buffer Overflow in Linux Linux Kernel
2021-07-21 18:22:55
Exploit for Classic Buffer Overflow in Linux Linux Kernel
2021-09-02 04:51:54
Exploit for Classic Buffer Overflow in Linux Linux Kernel
2021-07-26 03:24:35
openvas
openvas
Fedora: Security Advisory for kernel (FEDORA-2021-07dc0b3eb1)
2021-07-27 00:00:00
Huawei EulerOS: Security Advisory for kernel (EulerOS-SA-2021-2570)
2021-10-12 00:00:00
Fedora: Security Advisory for kernel-tools (FEDORA-2021-07dc0b3eb1)
2021-07-27 00:00:00
amazon
amazon
Important: kernel
2021-07-20 22:24:00
Important: kernel
2021-07-20 22:24:00
f5
f5
K75133288 : Linux kernel vulnerability CVE-2021-33909
2021-08-03 00:00:00
redhat
redhat
(RHSA-2021:2722) Important: kernel security update
2021-07-20 13:32:30
(RHSA-2021:2723) Important: kpatch-patch security update
2021-07-20 19:50:48
(RHSA-2021:2727) Important: kpatch-patch security update
2021-07-20 19:53:56
prion
prion
Integer overflow
2021-07-20 19:15:00
nvd
nvd
CVE-2021-33909
2021-07-20 19:15:09
cloudlinux
cloudlinux
Fix of CVE: CVE-2021-33909
2021-09-21 22:06:27
Fix of CVE: CVE-2021-33909
2021-09-21 22:06:03
ubuntu
ubuntu
Linux kernel vulnerability
2021-07-20 00:00:00
Kernel Live Patch Security Notice
2021-07-26 00:00:00
Linux kernel vulnerabilities
2021-07-20 00:00:00
veracode
veracode
Privilege Escalation
2021-08-12 15:38:28
cbl_mariner
cbl_mariner
CVE-2021-33909 affecting package kernel for versions less than 5.10.78.1-1
2022-04-09 06:52:47
CVE-2021-33909 affecting package kernel 5.10.168.1-1
2021-09-09 15:03:26
redhatcve
redhatcve
CVE-2021-33909
2021-07-20 12:55:12
virtuozzo
virtuozzo
[Important] [Security] Virtuozzo ReadyKernel patch 130.0 for Virtuozzo Hybrid Server 7.0, 7.5 and Virtuozzo Hybrid Infrastructure 3.5, 4.0, 4.5, 4.6
2021-07-22 00:00:00
debiancve
debiancve
CVE-2021-33909
2021-07-20 19:15:09
cve
cve
CVE-2021-33909
2021-07-20 19:15:09
ubuntucve
ubuntucve
CVE-2021-33909
2021-07-20 00:00:00
attackerkb
attackerkb
CVE-2020-8835
2020-03-30 00:00:00
CVE-2021-33909
2021-07-20 00:00:00
qualysblog
qualysblog
Sequoia: A Local Privilege Escalation Vulnerability in Linux’s Filesystem Layer (CVE-2021-33909)
2021-07-20 12:54:49
CVE-2021-33910: Denial of Service (Stack Exhaustion) in systemd (PID 1)
2021-07-20 12:55:42
Qualys Research Nominated for Pwnie Awards 2021
2021-08-02 15:59:06
rocky
rocky
kernel security and bug fix update
2021-07-20 13:30:15
avleonov
avleonov
Last Week’s Security news: Pegasus, SeriousSAM, Sequoia
2021-07-26 16:46:10
photon
photon
Important Photon OS Security Update - PHSA-2021-0270
2021-07-20 00:00:00
Important Photon OS Security Update - PHSA-2021-0065
2021-07-21 00:00:00
Home Download Photon OS User Documentation FAQ Security Advisories Related Information Lightwave - PHSA-2021-2.0-0370
2021-07-22 00:00:00
suse
suse
Security update for the Linux Kernel (important)
2021-07-20 00:00:00
Security update for the Linux Kernel (important)
2021-07-20 00:00:00
Security update for the Linux Kernel (important)
2021-07-22 00:00:00
almalinux
almalinux
Important: kernel security and bug fix update
2021-07-20 13:30:15
archlinux
archlinux
[ASA-202107-48] linux: privilege escalation
2021-07-21 00:00:00
[ASA-202107-49] linux-zen: privilege escalation
2021-07-21 00:00:00
[ASA-202107-50] linux-hardened: privilege escalation
2021-07-21 00:00:00
mageia
mageia
Updated kernel packages fix security vulnerabilities
2021-07-22 10:08:00
Updated kernel-linus packages fix security vulnerabilities
2021-07-22 10:08:00
thn
thn
New Windows and Linux Flaws Give Attackers Highest System Privileges
2021-07-21 06:37:00
ibm
ibm
Security Bulletin: There are multiple vulnerabilities in the Linux Kernel used in IBM Elastic Storage System
2021-12-21 18:13:50
cloudfoundry
cloudfoundry
USN-5017-1: Linux kernel vulnerabilities | Cloud Foundry
2021-09-07 00:00:00
packetstorm
packetstorm
Sequoia: A Deep Root In Linux's Filesystem Layer
2021-07-21 00:00:00
debian
debian
[SECURITY] [DLA 2713-2] linux security update
2021-07-20 20:03:38
[SECURITY] [DLA 2714-1] linux-4.19 security update
2021-07-20 19:58:55
[SECURITY] [DSA 4941-1] linux security update
2021-07-20 12:53:32
centos
centos
bpftool, kernel, perf, python security update
2021-07-22 13:52:55

8 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

55.1%

JSON
Related for CVELIST:CVE-2021-33909
osv11nessus71oraclelinux11fedora3cnvd1githubexploit4openvas22amazon2f51redhat21prion1nvd1cloudlinux2ubuntu7veracode1cbl_mariner2redhatcve1virtuozzo1debiancve1cve1ubuntucve1attackerkb2qualysblog3rocky1avleonov1photon6suse3almalinux1archlinux4mageia2thn1ibm1cloudfoundry1packetstorm1debian5centos1