Amazon Linux 2 : kernel (ALASKERNEL-5.10-2023-042)

high Nessus Plugin ID 184183

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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 5.10.198-187.748. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.10-2023-042 advisory.

2024-07-03: CVE-2023-52573 was added to this advisory.

2024-07-03: CVE-2023-52522 was added to this advisory.

2024-07-03: CVE-2023-52578 was added to this advisory.

2024-07-03: CVE-2023-42756 was added to this advisory.

2024-07-03: CVE-2023-52574 was added to this advisory.

2024-06-06: CVE-2023-52567 was added to this advisory.

2024-06-06: CVE-2023-52501 was added to this advisory.

2024-04-25: CVE-2023-52628 was added to this advisory.

2024-03-27: CVE-2023-52433 was added to this advisory.

2024-02-01: CVE-2024-0641 was added to this advisory.

An issue was discovered in drivers/mtd/ubi/cdev.c in the Linux kernel 6.2. There is a divide-by-zero error in do_div(sz,mtd->erasesize), used indirectly by ctrl_cdev_ioctl, when mtd->erasesize is 0.
(CVE-2023-31085)

A flaw in the kernel Xen event handler can cause a deadlock with Xen console handling in unprivileged Xen guests. (CVE-2023-34324)

A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.

Due to a race condition between nf_tables netlink control plane transaction and nft_set element garbage collection, it is possible to underflow the reference counter causing a use-after-free vulnerability.

We recommend upgrading past commit 3e91b0ebd994635df2346353322ac51ce84ce6d8. (CVE-2023-4244)

A NULL pointer dereference flaw was found in the Linux kernel ipv4 stack. The socket buffer (skb) was assumed to be associated with a device before calling __ip_options_compile, which is not always the case if the skb is re-routed by ipvs. This issue may allow a local user with CAP_NET_ADMIN privileges to crash the system. (CVE-2023-42754)

A flaw was found in the Netfilter subsystem of the Linux kernel. A race condition between IPSET_CMD_ADD and IPSET_CMD_SWAP can lead to a kernel panic due to the invocation of `__ip_set_put` on a wrong `set`.
This issue may allow a local user to crash the system. (CVE-2023-42756)

Rejected reason: CVE-2023-4881 was wrongly assigned to a bug that was deemed to be a non-security issue by the Linux kernel security team. (CVE-2023-4881)

In the Linux kernel, the following vulnerability has been resolved:

netfilter: nft_set_rbtree: skip sync GC for new elements in this transaction

New elements in this transaction might expired before such transactionends. Skip sync GC for such elements otherwise commit path might walkover an already released object. Once transaction is finished, async GCwill collect such expired element. (CVE-2023-52433)

In the Linux kernel, the following vulnerability has been resolved:

ring-buffer: Do not attempt to read past commit (CVE-2023-52501)

In the Linux kernel, the following vulnerability has been resolved:

net: fix possible store tearing in neigh_periodic_work() (CVE-2023-52522)

In the Linux kernel, the following vulnerability has been resolved:

serial: 8250_port: Check IRQ data before use (CVE-2023-52567)

In the Linux kernel, the following vulnerability has been resolved:

net: rds: Fix possible NULL-pointer dereference (CVE-2023-52573)

In the Linux kernel, the following vulnerability has been resolved:

team: fix null-ptr-deref when team device type is changed (CVE-2023-52574)

In the Linux kernel, the following vulnerability has been resolved:

net: bridge: use DEV_STATS_INC() (CVE-2023-52578)

In the Linux kernel, the following vulnerability has been resolved:

netfilter: nftables: exthdr: fix 4-byte stack OOB write

If priv->len is a multiple of 4, then dst[len / 4] can write pastthe destination array which leads to stack corruption.

This construct is necessary to clean the remainder of the registerin case ->len is NOT a multiple of the register size, so make itconditional just like nft_payload.c does.

The bug was added in 4.1 cycle and then copied/inherited whentcp/sctp and ip option support was added.

Bug reported by Zero Day Initiative project (ZDI-CAN-21950,ZDI-CAN-21951, ZDI-CAN-21961). (CVE-2023-52628)

A denial of service vulnerability was found in tipc_crypto_key_revoke in net/tipc/crypto.c in the Linux kernel's TIPC subsystem. This flaw allows guests with local user privileges to trigger a deadlock and potentially crash the system. (CVE-2024-0641)

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.

Plugin Details

Severity: High

ID: 184183

File Name: al2_ALASKERNEL-5_10-2023-042.nasl

Version: 1.11

Type: local

Agent: unix

Family: Amazon Linux Local Security Checks

Published: 11/1/2023

Updated: 7/5/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6

Temporal Score: 4.7

Vector: CVSS2#AV:L/AC:H/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2023-4244

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.3

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

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-livepatch-5.10.198-187.748, 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: 10/31/2023

Vulnerability Publication Date: 4/24/2023

Reference Information

CVE: CVE-2023-31085, CVE-2023-34324, CVE-2023-4244, CVE-2023-42754, CVE-2023-42756, CVE-2023-4881, CVE-2023-52433, CVE-2023-52501, CVE-2023-52522, CVE-2023-52567, CVE-2023-52573, CVE-2023-52574, CVE-2023-52578, CVE-2023-52628, CVE-2024-0641

Detections

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