Risk | Low |
Patch available | YES |
Number of vulnerabilities | 3 |
CVE-ID | CVE-2023-30456 CVE-2023-4921 CVE-2024-24855 |
CWE-ID | CWE-20 CWE-416 CWE-362 |
Exploitation vector | Local |
Public exploit | N/A |
Vulnerable software Subscribe |
Ubuntu Operating systems & Components / Operating system linux-image-3.13.0-197-lowlatency (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-3.13.0-197-generic (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-generic-lts-trusty (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-server (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-lowlatency (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-generic (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-virtual (Ubuntu package) Operating systems & Components / Operating system package or component |
Vendor | Canonical Ltd. |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
EUVDB-ID: #VU75456
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-30456
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to insufficient validation of consistency for for CR0 and CR4 in arch/x86/kvm/vmx/nested.c in the Linux kernel. A local user can execute arbitrary code with elevated privileges.
Update the affected package linux to the latest version.
Vulnerable software versionsUbuntu: 14.04
linux-image-3.13.0-197-lowlatency (Ubuntu package): before Ubuntu Pro
linux-image-3.13.0-197-generic (Ubuntu package): before Ubuntu Pro
linux-image-generic-lts-trusty (Ubuntu package): before Ubuntu Pro
linux-image-server (Ubuntu package): before Ubuntu Pro
linux-image-lowlatency (Ubuntu package): before Ubuntu Pro (Infra-only)
linux-image-generic (Ubuntu package): before Ubuntu Pro (Infra-only)
linux-image-virtual (Ubuntu package): before Ubuntu Pro (Infra-only)
External linkshttp://ubuntu.com/security/notices/USN-6699-1
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.
EUVDB-ID: #VU81693
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-4921
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error in the qfq_dequeue() function within the the Linux kernel's net/sched: sch_qfq component. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.
Update the affected package linux to the latest version.
Vulnerable software versionsUbuntu: 14.04
linux-image-3.13.0-197-lowlatency (Ubuntu package): before Ubuntu Pro
linux-image-3.13.0-197-generic (Ubuntu package): before Ubuntu Pro
linux-image-generic-lts-trusty (Ubuntu package): before Ubuntu Pro
linux-image-server (Ubuntu package): before Ubuntu Pro
linux-image-lowlatency (Ubuntu package): before Ubuntu Pro (Infra-only)
linux-image-generic (Ubuntu package): before Ubuntu Pro (Infra-only)
linux-image-virtual (Ubuntu package): before Ubuntu Pro (Infra-only)
External linkshttp://ubuntu.com/security/notices/USN-6699-1
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.
EUVDB-ID: #VU87602
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2024-24855
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition within the lpfc_unregister_fcf_rescan() function in scsi device driver. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.
MitigationUpdate the affected package linux to the latest version.
Vulnerable software versionsUbuntu: 14.04
linux-image-3.13.0-197-lowlatency (Ubuntu package): before Ubuntu Pro
linux-image-3.13.0-197-generic (Ubuntu package): before Ubuntu Pro
linux-image-generic-lts-trusty (Ubuntu package): before Ubuntu Pro
linux-image-server (Ubuntu package): before Ubuntu Pro
linux-image-lowlatency (Ubuntu package): before Ubuntu Pro (Infra-only)
linux-image-generic (Ubuntu package): before Ubuntu Pro (Infra-only)
linux-image-virtual (Ubuntu package): before Ubuntu Pro (Infra-only)
External linkshttp://ubuntu.com/security/notices/USN-6699-1
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.