High severity · published Jan 18, 2024
CVE-2021-33631
Kernel crash in EXT4 filesystem
7.8
CVSS
0.4%
EPSS
No
On KEV
Description
Integer Overflow or Wraparound vulnerability in openEuler kernel on Linux (filesystem modules) allows Forced Integer Overflow.This issue affects openEuler kernel: from 4.19.90 before 4.19.90-2401.3, from 5.10.0-60.18.0 before 5.10.0-183.0.0.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 31% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
kernel · openEuler
4.19.90 before 4.19.90-2401.3; 5.10.0-60.18.0 before 5.10.0-183.0.0 · source: vendor
OP
Openeuler · Openatom
4.19.90 before 4.19.90-2401.3; 4.19.90 before 4.19.90-2401.3; 5.10.0-60.18.0 before 5.10.0-183.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-33631
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-33631
www.openwall.com
http://www.openwall.com/lists/oss-security/2024/01/30/10
www.openwall.com
http://www.openwall.com/lists/oss-security/2024/01/30/3
www.openwall.com
http://www.openwall.com/lists/oss-security/2024/01/30/4
www.openwall.com
http://www.openwall.com/lists/oss-security/2024/01/30/5
www.openwall.com
http://www.openwall.com/lists/oss-security/2024/01/30/9
www.openwall.com
http://www.openwall.com/lists/oss-security/2024/01/31/2
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