Ubuntu update for linux-xilinx-zynqmp



Risk Low
Patch available YES
Number of vulnerabilities 4
CVE-ID CVE-2021-3669
CVE-2022-2196
CVE-2022-4382
CVE-2023-23559
CWE-ID CWE-400
CWE-665
CWE-416
CWE-190
Exploitation vector Local
Public exploit N/A
Vulnerable software
Ubuntu
Operating systems & Components / Operating system

linux-image-5.4.0-1023-xilinx-zynqmp (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains information about 4 vulnerabilities.

1) Resource exhaustion

EUVDB-ID: #VU63911

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-3669

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to measuring usage of the shared memory does not scale with large shared memory segment counts. A local user can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-xilinx-zynqmp to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-5.4.0-1023-xilinx-zynqmp (Ubuntu package): before 5.4.0-1023.27

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6151-1


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Improper Initialization

EUVDB-ID: #VU74019

Risk: Low

CVSSv4.0: 4.4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-2196

CWE-ID: CWE-665 - Improper Initialization

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper initialization within nVMX in Linux kernel. A local user can perform speculative execution attacks and escalate privileges on the system.

Mitigation

Update the affected package linux-xilinx-zynqmp to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-5.4.0-1023-xilinx-zynqmp (Ubuntu package): before 5.4.0-1023.27

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6151-1


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Use-after-free

EUVDB-ID: #VU72328

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-4382

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows an attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the gadgetfs Linux driver. An attacker with physical access to the system can trigger a use-after-free by manipulating the external device with gadgetfs and execute arbitrary code.

Mitigation

Update the affected package linux-xilinx-zynqmp to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-5.4.0-1023-xilinx-zynqmp (Ubuntu package): before 5.4.0-1023.27

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6151-1


Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Integer overflow

EUVDB-ID: #VU72468

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-23559

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to integer overflow within the rndis_query_oid() function in drivers/net/wireless/rndis_wlan.c. A local user can trigger an integer overflow and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package linux-xilinx-zynqmp to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-5.4.0-1023-xilinx-zynqmp (Ubuntu package): before 5.4.0-1023.27

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6151-1


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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