Ubuntu update for linux
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 5 |
| CVE-ID | CVE-2023-0458 CVE-2023-3159 CVE-2023-3567 CVE-2023-3611 CVE-2023-3776 |
| CWE-ID | CWE-476 CWE-416 CWE-787 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software |
Ubuntu Operating systems & Components / Operating system linux-image-3.13.0-193-lowlatency (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-3.13.0-193-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 5 vulnerabilities.
1) NULL pointer dereference
EUVDB-ID: #VU76223
Risk: Low
CVSSv4.0: 1.9 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2023-0458
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
DescriptionThe vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in the do_prlimit() function. A local user can pass specially crafted data to the system and perform a denial of service (DoS) attack.
MitigationUpdate the affected package linux to the latest version.
Vulnerable software versionsUbuntu: 14.04
linux-image-3.13.0-193-lowlatency (Ubuntu package): before Ubuntu Pro
linux-image-3.13.0-193-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)
CPE2.3- cpe:2.3:o:canonical:ubuntu:14.04:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:linux-image-3.13.0-193-lowlatency_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:a:canonical:linux-image-3.13.0-193-generic_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:a:canonical:linux-image-generic-lts-trusty:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:a:canonical:linux-image-server:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:a:canonical:linux-image-lowlatency_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:a:canonical:linux-image-generic_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:a:canonical:linux-image-virtual_ubuntu_package:*:*:*:*:*:ubuntu:*:*
https://ubuntu.com/security/notices/USN-6341-1
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) Use-after-free
EUVDB-ID: #VU78064
Risk: Low
CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2023-3159
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 within the outbound_phy_packet_callback() function in driver/firewire in Linux kernel. 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-3.13.0-193-lowlatency (Ubuntu package): before Ubuntu Pro
linux-image-3.13.0-193-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)
CPE2.3- cpe:2.3:o:canonical:ubuntu:14.04:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:linux-image-3.13.0-193-lowlatency_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:a:canonical:linux-image-3.13.0-193-generic_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:a:canonical:linux-image-generic-lts-trusty:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:a:canonical:linux-image-server:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:a:canonical:linux-image-lowlatency_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:a:canonical:linux-image-generic_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:a:canonical:linux-image-virtual_ubuntu_package:*:*:*:*:*:ubuntu:*:*
https://ubuntu.com/security/notices/USN-6341-1
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: #VU79491
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-2023-3567
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 within the vc_screen() function in vcs_read in drivers/tty/vt/vc_screen.c. 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-3.13.0-193-lowlatency (Ubuntu package): before Ubuntu Pro
linux-image-3.13.0-193-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)
CPE2.3- cpe:2.3:o:canonical:ubuntu:14.04:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:linux-image-3.13.0-193-lowlatency_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:a:canonical:linux-image-3.13.0-193-generic_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:a:canonical:linux-image-generic-lts-trusty:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:a:canonical:linux-image-server:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:a:canonical:linux-image-lowlatency_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:a:canonical:linux-image-generic_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:a:canonical:linux-image-virtual_ubuntu_package:*:*:*:*:*:ubuntu:*:*
https://ubuntu.com/security/notices/USN-6341-1
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.
4) Out-of-bounds write
EUVDB-ID: #VU78943
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-2023-3611
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: No
Description The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error in the qfq_change_agg() function in net/sched/sch_qfq.c within the Linux kernel net/sched: sch_qfq component. A local user trigger an out-of-bounds write and execute arbitrary code on the target system.
MitigationUpdate the affected package linux to the latest version.
Vulnerable software versionsUbuntu: 14.04
linux-image-3.13.0-193-lowlatency (Ubuntu package): before Ubuntu Pro
linux-image-3.13.0-193-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)
CPE2.3- cpe:2.3:o:canonical:ubuntu:14.04:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:linux-image-3.13.0-193-lowlatency_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:a:canonical:linux-image-3.13.0-193-generic_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:a:canonical:linux-image-generic-lts-trusty:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:a:canonical:linux-image-server:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:a:canonical:linux-image-lowlatency_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:a:canonical:linux-image-generic_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:a:canonical:linux-image-virtual_ubuntu_package:*:*:*:*:*:ubuntu:*:*
https://ubuntu.com/security/notices/USN-6341-1
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.
5) Use-after-free
EUVDB-ID: #VU79285
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-2023-3776
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 within the the Linux kernel's net/sched: cls_fw 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-3.13.0-193-lowlatency (Ubuntu package): before Ubuntu Pro
linux-image-3.13.0-193-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)
CPE2.3- cpe:2.3:o:canonical:ubuntu:14.04:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:linux-image-3.13.0-193-lowlatency_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:a:canonical:linux-image-3.13.0-193-generic_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:a:canonical:linux-image-generic-lts-trusty:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:a:canonical:linux-image-server:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:a:canonical:linux-image-lowlatency_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:a:canonical:linux-image-generic_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:a:canonical:linux-image-virtual_ubuntu_package:*:*:*:*:*:ubuntu:*:*
https://ubuntu.com/security/notices/USN-6341-1
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.
