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Test ID:1.3.6.1.4.1.25623.1.0.845243
Category:Ubuntu Local Security Checks
Title:Ubuntu: Security Advisory (USN-5267-3)
Summary:The remote host is missing an update for the 'linux-raspi, linux-raspi-5.4' package(s) announced via the USN-5267-3 advisory.
Description:Summary:
The remote host is missing an update for the 'linux-raspi, linux-raspi-5.4' package(s) announced via the USN-5267-3 advisory.

Vulnerability Insight:
USN-5267-1 fixed vulnerabilities in the Linux kernel. This update
provides the corresponding updates for the Linux kernel for Raspberry
Pi devices.

Original advisory details:

It was discovered that the Bluetooth subsystem in the Linux kernel
contained a use-after-free vulnerability. A local attacker could use this
to cause a denial of service (system crash) or possibly execute arbitrary
code. (CVE-2021-3640)

Likang Luo discovered that a race condition existed in the Bluetooth
subsystem of the Linux kernel, leading to a use-after-free vulnerability. A
local attacker could use this to cause a denial of service (system crash)
or possibly execute arbitrary code. (CVE-2021-3752)

Luo Likang discovered that the FireDTV Firewire driver in the Linux kernel
did not properly perform bounds checking in some situations. A local
attacker could use this to cause a denial of service (system crash) or
possibly execute arbitrary code. (CVE-2021-42739)

Affected Software/OS:
'linux-raspi, linux-raspi-5.4' package(s) on Ubuntu 18.04, Ubuntu 20.04.

Solution:
Please install the updated package(s).

CVSS Score:
7.9

CVSS Vector:
AV:A/AC:M/Au:N/C:C/I:C/A:C

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2021-3640
DSA-5096
https://www.debian.org/security/2022/dsa-5096
[debian-lts-announce] 20220309 [SECURITY] [DLA 2940-1] linux security update
https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html
[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update
https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
https://bugzilla.redhat.com/show_bug.cgi?id=1980646
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/bluetooth/sco.c?h=v5.16&id=99c23da0eed4fd20cae8243f2b51e10e66aa0951
https://github.com/torvalds/linux/commit/99c23da0eed4fd20cae8243f2b51e10e66aa0951
https://security.netapp.com/advisory/ntap-20220419-0003/
https://ubuntu.com/security/CVE-2021-3640
https://www.openwall.com/lists/oss-security/2021/07/22/1
Common Vulnerability Exposure (CVE) ID: CVE-2021-3752
https://security.netapp.com/advisory/ntap-20220318-0009/
Debian Security Information: DSA-5096 (Google Search)
https://bugzilla.redhat.com/show_bug.cgi?id=1999544
https://lore.kernel.org/lkml/20211115165435.133245729@linuxfoundation.org/
https://www.openwall.com/lists/oss-security/2021/09/15/4
https://www.oracle.com/security-alerts/cpujul2022.html
Common Vulnerability Exposure (CVE) ID: CVE-2021-42739
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=35d2969ea3c7d32aee78066b1f3cf61a0d935a4e
https://seclists.org/oss-sec/2021/q2/46
https://www.starwindsoftware.com/security/sw-20220804-0001/
https://bugzilla.redhat.com/show_bug.cgi?id=1951739
https://lore.kernel.org/linux-media/YHaulytonFcW+lyZ@mwanda/
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