CVE-2022-1043

moderate-risk
Published 2022-08-29

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.

Do I need to act?

!
22.8% chance of exploitation in next 30 days
EPSS score — higher than 77% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Linux

References (10)

Exploit http://packetstormsecurity.com/files/170834/io_uring-Same-Type-Object-Reuse-Priv...
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/a30f895ad3239f45012e860d4f94c1a388b36d1...
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-22-362/
Exploit http://packetstormsecurity.com/files/170834/io_uring-Same-Type-Object-Reuse-Priv...
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/a30f895ad3239f45012e860d4f94c1a388b36d1...
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-22-362/
46
/ 100
moderate-risk
Severity 27/34 · High
Exploitability 14/34 · Moderate
Exposure 5/34 · Minimal