Risk | Low |
Patch available | YES |
Number of vulnerabilities | 2 |
CVE-ID | CVE-2023-1611 CVE-2023-28466 |
CWE-ID | CWE-416 CWE-362 |
Exploitation vector | Local |
Public exploit | N/A |
Vulnerable software |
Amazon Linux AMI Operating systems & Components / Operating system kernel-livepatch Operating systems & Components / Operating system package or component |
Vendor | Amazon Web Services |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
EUVDB-ID: #VU75204
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-2023-1611
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error within the btrfs_search_slot() function in fs/btrfs/ctree.c. A local user can trigger a use-after-free error and crash the kernel.
Update the affected packages:
src:Vulnerable software versions
kernel-livepatch-6.1.19-30.43-1.0-1.amzn2023.src
x86_64:
kernel-livepatch-6.1.19-30.43-1.0-1.amzn2023.x86_64
Amazon Linux AMI: All versions
kernel-livepatch: All versions
CPE2.3https://alas.aws.amazon.com/AL2023/ALASLIVEPATCH-2023-002.html
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: #VU74628
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-2023-28466
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition caused by a missing lock_sock call within the do_tls_getsockopt() function in net/tls/tls_main.c. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.
MitigationUpdate the affected packages:
src:Vulnerable software versions
kernel-livepatch-6.1.19-30.43-1.0-1.amzn2023.src
x86_64:
kernel-livepatch-6.1.19-30.43-1.0-1.amzn2023.x86_64
Amazon Linux AMI: All versions
kernel-livepatch: All versions
CPE2.3https://alas.aws.amazon.com/AL2023/ALASLIVEPATCH-2023-002.html
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.