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CVE-2022-1976

Date: August 30, 2022

A flaw was found in the Linux kernel’s implementation of IO-URING. This flaw allows an attacker with local executable permission to create a string of requests that can cause a use-after-free flaw within the kernel. This issue leads to memory corruption and possible privilege escalation.

Severity Score

Related Resources (6)

https://security-tracker.debian.org/tracker/CVE-2022-1976
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9cae36a094e7e9d6e5fe8b6dcd4642138b3eb0c7
https://nvd.nist.gov/vuln/detail/CVE-2022-1976
https://bugzilla.redhat.com/show_bug.cgi?id=2092549
https://security.netapp.com/advisory/ntap-20230214-0005/
https://www.mend.io/vulnerability-database/CVE-2022-1976

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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