Detections
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Amazon Linux 2 : kernel (ALASKERNEL-5.4-2022-024)
high Nessus Plugin ID 160422
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Synopsis
The remote Amazon Linux 2 host is missing a security update.Description
The version of kernel installed on the remote host is prior to 5.4.186-102.354. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.4-2022-024 advisory.2024-09-12: CVE-2022-48912 was added to this advisory.
2024-09-12: CVE-2022-48919 was added to this advisory.
2024-08-27: CVE-2022-48843 was added to this advisory.
2024-08-27: CVE-2022-48855 was added to this advisory.
2024-08-27: CVE-2022-48858 was added to this advisory.
2024-05-23: CVE-2021-47088 was added to this advisory.
2024-04-25: CVE-2021-46937 was added to this advisory.
In the Linux kernel, the following vulnerability has been resolved:
mm/damon/dbgfs: fix 'struct pid' leaks in 'dbgfs_target_ids_write()' (CVE-2021-46937)
In the Linux kernel, the following vulnerability has been resolved:
mm/damon/dbgfs: protect targets destructions with kdamond_lock (CVE-2021-47088)
A flaw was found in the Linux kernel in linux/net/netfilter/nf_tables_api.c of the netfilter subsystem.
This flaw allows a local user to cause an out-of-bounds write issue. (CVE-2022-1015)
A flaw was found in the Linux kernel in net/netfilter/nf_tables_core.c:nft_do_chain, which can cause a use-after-free. This issue needs to handle return with proper preconditions, as it can lead to a kernel information leak problem caused by a local, unprivileged attacker. (CVE-2022-1016)
A use-after-free vulnerability was found in the tc_new_tfilter function in net/sched/cls_api.c in the Linux kernel. The availability of local, unprivileged user namespaces allows privilege escalation.
(CVE-2022-1055)
An out-of-bounds (OOB) memory access flaw was found in nft_fwd_dup_netdev_offload in net/netfilter/nf_dup_netdev.c in the netfilter subcomponent in the Linux kernel due to a heap out-of- bounds write problem. This flaw allows a local attacker with a user account on the system to gain access to out-of-bounds memory, leading to a system crash or a privilege escalation threat. (CVE-2022-25636)
In the Linux kernel, the following vulnerability has been resolved:
drm/vrr: Set VRR capable prop only if it is attached to connector (CVE-2022-48843)
In the Linux kernel, the following vulnerability has been resolved:
sctp: fix kernel-infoleak for SCTP sockets (CVE-2022-48855)
In the Linux kernel, the following vulnerability has been resolved:
net/mlx5: Fix a race on command flush flow (CVE-2022-48858)
In the Linux kernel, the following vulnerability has been resolved:
netfilter: fix use-after-free in __nf_register_net_hook() (CVE-2022-48912)
In the Linux kernel, the following vulnerability has been resolved:
cifs: fix double free race when mount fails in cifs_get_root() (CVE-2022-48919)
Tenable has extracted the preceding description block directly from the tested product security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Run 'yum update kernel' to update your system.See Also
https://alas.aws.amazon.com/AL2/ALASKERNEL-5.4-2022-024.html
https://alas.aws.amazon.com/faqs.html
https://alas.aws.amazon.com/cve/html/CVE-2021-46937.html
https://alas.aws.amazon.com/cve/html/CVE-2021-47088.html
https://alas.aws.amazon.com/cve/html/CVE-2022-1015.html
https://alas.aws.amazon.com/cve/html/CVE-2022-1016.html
https://alas.aws.amazon.com/cve/html/CVE-2022-1055.html
https://alas.aws.amazon.com/cve/html/CVE-2022-25636.html
https://alas.aws.amazon.com/cve/html/CVE-2022-48843.html
https://alas.aws.amazon.com/cve/html/CVE-2022-48855.html
https://alas.aws.amazon.com/cve/html/CVE-2022-48858.html
Plugin Details
Severity: High
ID: 160422
File Name: al2_ALASKERNEL-5_4-2022-024.nasl
Version: 1.18
Type: local
Agent: unix
Published: 5/2/2022
Updated: 9/19/2024
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
Risk Information
VPR
Risk Factor: High
Score: 8.9
CVSS v2
Risk Factor: Medium
Base Score: 6.9
Temporal Score: 6
Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2022-25636
CVSS v3
Risk Factor: High
Base Score: 7.8
Temporal Score: 7.5
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C
CVSS Score Source: CVE-2022-48919
CVSS v4
Risk Factor: High
Base Score: 8.6
Threat Score: 8.6
Threat Vector: CVSS:4.0/E:A
Vector: CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
CVSS Score Source: CVE-2022-1055
Vulnerability Information
CPE: p-cpe:/a:amazon:linux:perf, p-cpe:/a:amazon:linux:bpftool, p-cpe:/a:amazon:linux:perf-debuginfo, p-cpe:/a:amazon:linux:kernel-tools-debuginfo, p-cpe:/a:amazon:linux:kernel-debuginfo-common-aarch64, p-cpe:/a:amazon:linux:kernel-tools, p-cpe:/a:amazon:linux:kernel-devel, p-cpe:/a:amazon:linux:python-perf-debuginfo, p-cpe:/a:amazon:linux:kernel, p-cpe:/a:amazon:linux:kernel-debuginfo, p-cpe:/a:amazon:linux:kernel-headers, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:bpftool-debuginfo, p-cpe:/a:amazon:linux:kernel-tools-devel, p-cpe:/a:amazon:linux:kernel-debuginfo-common-x86_64, p-cpe:/a:amazon:linux:python-perf
Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 4/4/2022
Vulnerability Publication Date: 2/24/2022
Exploitable With
Core Impact
Reference Information
CVE: CVE-2021-46937, CVE-2021-47088, CVE-2022-1015, CVE-2022-1016, CVE-2022-1055, CVE-2022-25636, CVE-2022-48843, CVE-2022-48855, CVE-2022-48858, CVE-2022-48912, CVE-2022-48919