Vulnerability Details : CVE-2022-1976
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.
Vulnerability category: Memory CorruptionGain privilege
Exploit prediction scoring system (EPSS) score for CVE-2022-1976
Probability of exploitation activity in the next 30 days: 0.04%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 6 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2022-1976
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2022-1976
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Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2022-1976
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https://bugzilla.redhat.com/show_bug.cgi?id=2092549
2092549 – (CVE-2022-1976) CVE-2022-1976 kernel: a use-after-free in __lock_acquire may lead to a crashIssue Tracking;Patch;Third Party Advisory
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https://security.netapp.com/advisory/ntap-20230214-0005/
August 2022 Linux Kernel 5.18 Vulnerabilities in NetApp Products | NetApp Product Security
Products affected by CVE-2022-1976
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*