Linux Distros Unpatched Vulnerability : CVE-2021-20268

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An out-of-bounds access flaw was found in the Linux kernel's implementation of the eBPF code verifier in the way a user running the eBPF script calls...

K93048305: Linux kernel vulnerability CVE-2021-20268

Security Advisory Description An out-of-bounds access flaw was found in the Linux kernel's implementation of the eBPF code verifier in the way a user running the eBPF script calls devmapinitmap or sockmapalloc. This flaw allows a local user to crash the system or possibly escalate their privilege...

CVE-2021-20268 affecting package kernel 5.4.91-6

CVE-2021-20268 affecting package kernel 5.4.91-6. An upgraded version of the package is available that resolves this issue...

Ubuntu: Security Advisory (USN-4910-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-4910-1: Linux kernel vulnerabilities

Ryota Shiga discovered that the sockopt BPF hooks in the Linux kernel could allow a user space program to probe for valid kernel addresses. A local attacker could use this to ease exploitation of another kernel vulnerability. CVE-2021-20239 It was discovered that the BPF verifier in the Linux...

CVE-2021-20268

An out-of-bounds access flaw was found in the Linux kernel's implementation of the eBPF code verifier in the way a user running the eBPF script calls devmapinitmap or sockmapalloc. This flaw allows a local user to crash the system or possibly escalate their privileges. The highest threat from thi...

CVE-2021-20268

The CVE-2021-20268 entry is confirmed to affect the Linux kernel eBPF verifier, where an out-of-bounds access via dev_map_init_map or sock_map_alloc could crash the system or enable local privilege escalation. Affected are kernel implementations before fixes in public advisories; mitigation is to...