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Ubuntu 23.04 : Linux kernel vulnerabilities (USN-6250-1)

critical Nessus Plugin ID 178797

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Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 23.04 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6250-1 advisory.

 Stonejiajia, Shir Tamari and Sagi Tzadik discovered that the OverlayFS implementation in the Ubuntu Linux kernel did not properly perform permission checks in certain situations. A local attacker could possibly use this to gain elevated privileges. (CVE-2023-2640)

 It was discovered that the IP-VLAN network driver for the Linux kernel did not properly initialize memory in some situations, leading to an out-of- bounds write vulnerability. An attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-3090)

 Mingi Cho discovered that the netfilter subsystem in the Linux kernel did not properly validate the status of a nft chain while performing a lookup by id, leading to a use-after-free vulnerability. An attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code.
 (CVE-2023-31248)

 Shir Tamari and Sagi Tzadik discovered that the OverlayFS implementation in the Ubuntu Linux kernel did not properly perform permission checks in certain situations. A local attacker could possibly use this to gain elevated privileges. (CVE-2023-32629)

 Ruihan Li discovered that the memory management subsystem in the Linux kernel contained a race condition when accessing VMAs in certain conditions, leading to a use-after-free vulnerability. A local attacker could possibly use this to cause a denial of service (system crash) or execute arbitrary code.
 (CVE-2023-3269)

 Querijn Voet discovered that a race condition existed in the io_uring subsystem in 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-2023-3389)

 It was discovered that the netfilter subsystem in the Linux kernel did not properly handle some error conditions, 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-2023-3390)

 Tanguy Dubroca discovered that the netfilter subsystem in the Linux kernel did not properly handle certain pointer data type, leading to an out-of- bounds write vulnerability. A privileged attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-35001)

Tenable has extracted the preceding description block directly from the Ubuntu 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

Update the affected kernel package.

See Also

https://ubuntu.com/security/notices/USN-6250-1

Plugin Details

Severity: Critical

ID: 178797

File Name: ubuntu_USN-6250-1.nasl

Version: 1.7

Type: local

Agent: unix

Published: 7/26/2023

Updated: 9/19/2024

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

Risk Information

VPR

Risk Factor: Critical

Score: 9.5

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

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

CVSS Score Source: CVE-2023-35001

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 v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 9.3

Threat Vector: CVSS:4.0/E:A

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:linux-image-6.2.0-1008-aws, p-cpe:/a:canonical:ubuntu_linux:linux-image-6.2.0-1009-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-image-6.2.0-1009-lowlatency-64k, cpe:/o:canonical:ubuntu_linux:23.04, p-cpe:/a:canonical:ubuntu_linux:linux-image-6.2.0-1006-ibm, p-cpe:/a:canonical:ubuntu_linux:linux-image-6.2.0-1009-kvm, p-cpe:/a:canonical:ubuntu_linux:linux-image-6.2.0-1008-azure, p-cpe:/a:canonical:ubuntu_linux:linux-image-6.2.0-1010-gcp, p-cpe:/a:canonical:ubuntu_linux:linux-image-6.2.0-26-generic-64k, p-cpe:/a:canonical:ubuntu_linux:linux-image-6.2.0-26-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-6.2.0-1008-oracle, p-cpe:/a:canonical:ubuntu_linux:linux-image-6.2.0-26-generic

Required KB Items: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/25/2023

Vulnerability Publication Date: 6/21/2023

Exploitable With

Core Impact

Reference Information

CVE: CVE-2023-2640, CVE-2023-3090, CVE-2023-31248, CVE-2023-32629, CVE-2023-3269, CVE-2023-3389, CVE-2023-3390, CVE-2023-35001

USN: 6250-1