Published: 09/06/2021 Updated: 29/10/2022

CVSS v2 Base Score: 2.7 | Impact Score: 2.9 | Exploitability Score: 5.1

CVSS v3 Base Score: 5.7 | Impact Score: 3.6 | Exploitability Score: 2.1

VMScore: 240

Vector: AV:A/AC:L/Au:S/C:P/I:N/A:N

It exists that the aufs file system in the Linux kernel did not properly maintain POSIX ACL xattr data, when mounted with the non-default allow_userns option. A local attacker could possibly use this to gain elevated privileges. (CVE-2016-2854) ATTENTION: Due to an unavoidable ABI change the kernel updates have been given a new version number, which requires you to recompile and reinstall all third party kernel modules you might have installed. Unless you manually uninstalled the standard kernel metapackages (e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual, linux-powerpc), a standard system upgrade will automatically perform this as well.

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bluez bluez
redhat enterprise linux 7.0
redhat enterprise linux 8.0
debian debian linux 9.0

Debian Bug report logs - #989614 bluez: CVE-2021-0129 CVE-2020-26558 Package: src:bluez; Maintainer for src:bluez is Debian Bluetooth Maintainers <team+pkg-bluetooth@trackerdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Tue, 8 Jun 2021 18:39:02 UTC Severity: grave Tags: patch, pending, sec ...

Several vulnerabilities were discovered in Bluez, the Linux Bluetooth protocol stack CVE-2020-26558 / CVE-2021-0129 It was discovered that Bluez does not properly check permissions during pairing operation, which could allow an attacker to impersonate the initiating device CVE-2020-27153 Jay LV discovered a double free flaw in th ...

Several security issues were fixed in the Linux kernel ...

A flaw was found in the Linux kernel Improper access control in BlueZ may allow an authenticated user to potentially enable information disclosure via adjacent access The highest threat from this vulnerability is to data confidentiality and integrity ...

A flaw was found in the Linux kernels implementation of wifi fragmentation handling An attacker with the ability to transmit within the wireless transmission range of an access point can abuse a flaw where previous contents of wifi fragments can be unintentionally transmitted to another device (CVE-2020-24586) A flaw was found in the Linux kernel ...

A vulnerability was found in the bluez, where Passkey Entry protocol used in Secure Simple Pairing (SSP), Secure Connections (SC) and LE Secure Connections (LESC) of the Bluetooth Core Specification is vulnerable to an impersonation attack where an active attacker can impersonate the initiating device without any previous knowledge (CVE-2020-26558 ...

A flaw was found in the Linux kernels implementation of wifi fragmentation handling An attacker with the ability to transmit within the wireless transmission range of an access point can abuse a flaw where previous contents of wifi fragments can be unintentionally transmitted to another device (CVE-2020-24586) A flaw was found in the Linux kernel ...

NVD-CWE-Other https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00517.html https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html https://lists.debian.org/debian-lts-announce/2021/06/msg00022.html https://security.netapp.com/advisory/ntap-20210716-0002/https://www.debian.org/security/2021/dsa-4951 https://security.gentoo.org/glsa/202209-16 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=989614 https://nvd.nist.gov https://ubuntu.com/security/notices/USN-5343-1 https://www.debian.org/security/2021/dsa-4951

CVE-2021-0129

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