High severity · published Aug 29, 2022
CVE-2022-1043
A flaw was found in the Linux kernel’s io_uring implementation
8.8
CVSS
3.9%
EPSS
No
On KEV
Description
A flaw was found in the Linux kernel’s io_uring implementation. This flaw allows an attacker with a local account to corrupt system memory, crash the system or escalate privileges.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)3.9% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
5.10.51 before 5.10.61; 5.11 before 5.13.13 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-1043
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-1043
Exploit
http://packetstormsecurity.com/files/170834/io_uring-Same-Type-Object-Reuse-Privilege-Escalation.html
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2022-1043
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1997328
Patch
https://github.com/torvalds/linux/commit/a30f895ad3239f45012e860d4f94c1a388b36d14
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-362/
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