QID 198624

Date Published: 2022-01-13

QID 198624: Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-5217-1)

The nfs server implementation in the linux kernelcontained an out-of-bounds write vulnerability.
The ebpf implementation in the linux kernel didnot properly validate the memory size of certain ring buffer operationarguments.

A local attacker could usethis to cause a denial of service (system crash) or possibly executearbitrary code.
A local attacker could use this to cause a denial of service(system crash) or possibly execute arbitrary code.

CVSS V3 rated as Medium - 4.2 severity.

CVSS V2 rated as Medium - 5.4 severity.

Solution

Refer to Ubuntu security advisory USN-5217-1 for updates and patch information.

Vendor References

USN-5217-1 - ubuntu.com/security/notices/USN-5217-1

CVEs related to QID 198624

CVE-2021-4090 | CVE-2021-4204 |

Software Advisories

Advisory ID	Software	Component	Link
USN-5217-1	Ubuntu Linux		ubuntu.com/security/notices/USN-5217-1

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