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CVE-2021-3905

Status Candidate

Overview

A memory leak was found in Open vSwitch (OVS) during userspace IP fragmentation processing. An attacker could use this flaw to potentially exhaust available memory by keeping sending packet fragments.

Related Files

Gentoo Linux Security Advisory 202311-16
Posted Nov 27, 2023
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202311-16 - Multiple denial of service vulnerabilities have been found in Open vSwitch. Versions greater than or equal to 2.17.6 are affected.

tags | advisory, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2020-27827, CVE-2020-35498, CVE-2021-36980, CVE-2021-3905, CVE-2022-4337, CVE-2022-4338, CVE-2023-1668
SHA-256 | 0bda202461e33ccd269260bad11d7bbc0f0c9faa18de574dd6cb69744849efcc
Ubuntu Security Notice USN-5242-1
Posted Jan 20, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5242-1 - It was discovered that Open vSwitch incorrectly handled certain fragmented packets. A remote attacker could possibly use this issue to cause Open vSwitch to consume resources, leading to a denial of service.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2021-3905
SHA-256 | 77f8da0e77c6ef919feee5799eb6b9efb97a2189371d1bd1cc64792259209d4d
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