CVE-2022-1043

EPSS 3.7%CWE-416

Vexday Risk Score

18Low

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS —EPSS 3.7%KEV nãoPoC —Nuclei —Metasploit simPatch —

Lifecycle

22 Mar 2022Metasploit module available

29 Aug 2022Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

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.

Affected products

n/a · Kernel

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References

http://packetstormsecurity.com/files/170834/io_uring-Same-Type-Object-Reuse-Privilege-Escalation.html https://access.redhat.com/security/cve/CVE-2022-1043 https://bugzilla.redhat.com/show_bug.cgi?id=1997328 https://github.com/torvalds/linux/commit/a30f895ad3239f45012e860d4f94c1a388b36d14 https://www.zerodayinitiative.com/advisories/ZDI-22-362/