Amazon Linux AMI update for kernel



Risk Medium
Patch available YES
Number of vulnerabilities 9
CVE-ID CVE-2023-34324
CVE-2023-39191
CVE-2023-52476
CVE-2023-52477
CVE-2023-52481
CVE-2023-52522
CVE-2023-52523
CVE-2023-52559
CVE-2024-0641
CWE-ID CWE-833
CWE-20
CWE-125
CWE-908
CWE-200
CWE-399
CWE-476
CWE-667
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Amazon Linux AMI
Operating systems & Components / Operating system

kernel
Operating systems & Components / Operating system package or component

Vendor Amazon Web Services

Security Bulletin

This security bulletin contains information about 9 vulnerabilities.

1) Deadlock

EUVDB-ID: #VU81900

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-34324

CWE-ID: CWE-833 - Deadlock

Exploit availability: No

Description

The vulnerability allows a malicious guest to perform a denial of service (DoS) attack.

The vulnerability exists due to improper event handling in Linux kernel. A malicious guest can disable paravirtualized device to cause a deadlock in a backend domain (other than dom0).

Mitigation

Update the affected packages:

aarch64:
    kernel-tools-6.1.59-84.139.amzn2023.aarch64
    kernel-modules-extra-6.1.59-84.139.amzn2023.aarch64
    bpftool-6.1.59-84.139.amzn2023.aarch64
    python3-perf-6.1.59-84.139.amzn2023.aarch64
    perf-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-livepatch-6.1.59-84.139-1.0-0.amzn2023.aarch64
    kernel-libbpf-devel-6.1.59-84.139.amzn2023.aarch64
    kernel-libbpf-6.1.59-84.139.amzn2023.aarch64
    kernel-tools-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-headers-6.1.59-84.139.amzn2023.aarch64
    python3-perf-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-libbpf-static-6.1.59-84.139.amzn2023.aarch64
    kernel-tools-devel-6.1.59-84.139.amzn2023.aarch64
    perf-6.1.59-84.139.amzn2023.aarch64
    bpftool-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-6.1.59-84.139.amzn2023.aarch64
    kernel-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-debuginfo-common-aarch64-6.1.59-84.139.amzn2023.aarch64
    kernel-devel-6.1.59-84.139.amzn2023.aarch64

src:
    kernel-6.1.59-84.139.amzn2023.src

x86_64:
    python3-perf-debuginfo-6.1.59-84.139.amzn2023.x86_64
    kernel-tools-devel-6.1.59-84.139.amzn2023.x86_64
    bpftool-debuginfo-6.1.59-84.139.amzn2023.x86_64
    kernel-libbpf-devel-6.1.59-84.139.amzn2023.x86_64
    kernel-tools-6.1.59-84.139.amzn2023.x86_64
    kernel-tools-debuginfo-6.1.59-84.139.amzn2023.x86_64
    python3-perf-6.1.59-84.139.amzn2023.x86_64
    kernel-libbpf-6.1.59-84.139.amzn2023.x86_64
    kernel-livepatch-6.1.59-84.139-1.0-0.amzn2023.x86_64
    perf-debuginfo-6.1.59-84.139.amzn2023.x86_64
    bpftool-6.1.59-84.139.amzn2023.x86_64
    kernel-libbpf-static-6.1.59-84.139.amzn2023.x86_64
    perf-6.1.59-84.139.amzn2023.x86_64
    kernel-modules-extra-6.1.59-84.139.amzn2023.x86_64
    kernel-headers-6.1.59-84.139.amzn2023.x86_64
    kernel-debuginfo-6.1.59-84.139.amzn2023.x86_64
    kernel-6.1.59-84.139.amzn2023.x86_64
    kernel-debuginfo-common-x86_64-6.1.59-84.139.amzn2023.x86_64
    kernel-devel-6.1.59-84.139.amzn2023.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

kernel: All versions

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-422.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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

2) Input validation error

EUVDB-ID: #VU82763

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-2023-39191

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input in the eBPF subsystem in the Linux kernel. A local user with CAP_BPF capability can execute arbitrary code with elevated privileges.

Mitigation

Update the affected packages:

aarch64:
    kernel-tools-6.1.59-84.139.amzn2023.aarch64
    kernel-modules-extra-6.1.59-84.139.amzn2023.aarch64
    bpftool-6.1.59-84.139.amzn2023.aarch64
    python3-perf-6.1.59-84.139.amzn2023.aarch64
    perf-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-livepatch-6.1.59-84.139-1.0-0.amzn2023.aarch64
    kernel-libbpf-devel-6.1.59-84.139.amzn2023.aarch64
    kernel-libbpf-6.1.59-84.139.amzn2023.aarch64
    kernel-tools-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-headers-6.1.59-84.139.amzn2023.aarch64
    python3-perf-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-libbpf-static-6.1.59-84.139.amzn2023.aarch64
    kernel-tools-devel-6.1.59-84.139.amzn2023.aarch64
    perf-6.1.59-84.139.amzn2023.aarch64
    bpftool-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-6.1.59-84.139.amzn2023.aarch64
    kernel-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-debuginfo-common-aarch64-6.1.59-84.139.amzn2023.aarch64
    kernel-devel-6.1.59-84.139.amzn2023.aarch64

src:
    kernel-6.1.59-84.139.amzn2023.src

x86_64:
    python3-perf-debuginfo-6.1.59-84.139.amzn2023.x86_64
    kernel-tools-devel-6.1.59-84.139.amzn2023.x86_64
    bpftool-debuginfo-6.1.59-84.139.amzn2023.x86_64
    kernel-libbpf-devel-6.1.59-84.139.amzn2023.x86_64
    kernel-tools-6.1.59-84.139.amzn2023.x86_64
    kernel-tools-debuginfo-6.1.59-84.139.amzn2023.x86_64
    python3-perf-6.1.59-84.139.amzn2023.x86_64
    kernel-libbpf-6.1.59-84.139.amzn2023.x86_64
    kernel-livepatch-6.1.59-84.139-1.0-0.amzn2023.x86_64
    perf-debuginfo-6.1.59-84.139.amzn2023.x86_64
    bpftool-6.1.59-84.139.amzn2023.x86_64
    kernel-libbpf-static-6.1.59-84.139.amzn2023.x86_64
    perf-6.1.59-84.139.amzn2023.x86_64
    kernel-modules-extra-6.1.59-84.139.amzn2023.x86_64
    kernel-headers-6.1.59-84.139.amzn2023.x86_64
    kernel-debuginfo-6.1.59-84.139.amzn2023.x86_64
    kernel-6.1.59-84.139.amzn2023.x86_64
    kernel-debuginfo-common-x86_64-6.1.59-84.139.amzn2023.x86_64
    kernel-devel-6.1.59-84.139.amzn2023.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

kernel: All versions

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-422.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.

3) Out-of-bounds read

EUVDB-ID: #VU88821

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-2023-52476

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition within the branch_type() and get_branch_type() functions in arch/x86/events/utils.c. A local user can trigger an out-of-bounds read error and crash the kernel.

Mitigation

Update the affected packages:

aarch64:
    kernel-tools-6.1.59-84.139.amzn2023.aarch64
    kernel-modules-extra-6.1.59-84.139.amzn2023.aarch64
    bpftool-6.1.59-84.139.amzn2023.aarch64
    python3-perf-6.1.59-84.139.amzn2023.aarch64
    perf-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-livepatch-6.1.59-84.139-1.0-0.amzn2023.aarch64
    kernel-libbpf-devel-6.1.59-84.139.amzn2023.aarch64
    kernel-libbpf-6.1.59-84.139.amzn2023.aarch64
    kernel-tools-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-headers-6.1.59-84.139.amzn2023.aarch64
    python3-perf-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-libbpf-static-6.1.59-84.139.amzn2023.aarch64
    kernel-tools-devel-6.1.59-84.139.amzn2023.aarch64
    perf-6.1.59-84.139.amzn2023.aarch64
    bpftool-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-6.1.59-84.139.amzn2023.aarch64
    kernel-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-debuginfo-common-aarch64-6.1.59-84.139.amzn2023.aarch64
    kernel-devel-6.1.59-84.139.amzn2023.aarch64

src:
    kernel-6.1.59-84.139.amzn2023.src

x86_64:
    python3-perf-debuginfo-6.1.59-84.139.amzn2023.x86_64
    kernel-tools-devel-6.1.59-84.139.amzn2023.x86_64
    bpftool-debuginfo-6.1.59-84.139.amzn2023.x86_64
    kernel-libbpf-devel-6.1.59-84.139.amzn2023.x86_64
    kernel-tools-6.1.59-84.139.amzn2023.x86_64
    kernel-tools-debuginfo-6.1.59-84.139.amzn2023.x86_64
    python3-perf-6.1.59-84.139.amzn2023.x86_64
    kernel-libbpf-6.1.59-84.139.amzn2023.x86_64
    kernel-livepatch-6.1.59-84.139-1.0-0.amzn2023.x86_64
    perf-debuginfo-6.1.59-84.139.amzn2023.x86_64
    bpftool-6.1.59-84.139.amzn2023.x86_64
    kernel-libbpf-static-6.1.59-84.139.amzn2023.x86_64
    perf-6.1.59-84.139.amzn2023.x86_64
    kernel-modules-extra-6.1.59-84.139.amzn2023.x86_64
    kernel-headers-6.1.59-84.139.amzn2023.x86_64
    kernel-debuginfo-6.1.59-84.139.amzn2023.x86_64
    kernel-6.1.59-84.139.amzn2023.x86_64
    kernel-debuginfo-common-x86_64-6.1.59-84.139.amzn2023.x86_64
    kernel-devel-6.1.59-84.139.amzn2023.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

kernel: All versions

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-422.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.

4) Use of uninitialized resource

EUVDB-ID: #VU89393

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-2023-52477

CWE-ID: CWE-908 - Use of Uninitialized Resource

Exploit availability: No

Description

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

The vulnerability exists due to usage of uninitialized BOS descriptors in drivers/usb/core/hub.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected packages:

aarch64:
    kernel-tools-6.1.59-84.139.amzn2023.aarch64
    kernel-modules-extra-6.1.59-84.139.amzn2023.aarch64
    bpftool-6.1.59-84.139.amzn2023.aarch64
    python3-perf-6.1.59-84.139.amzn2023.aarch64
    perf-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-livepatch-6.1.59-84.139-1.0-0.amzn2023.aarch64
    kernel-libbpf-devel-6.1.59-84.139.amzn2023.aarch64
    kernel-libbpf-6.1.59-84.139.amzn2023.aarch64
    kernel-tools-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-headers-6.1.59-84.139.amzn2023.aarch64
    python3-perf-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-libbpf-static-6.1.59-84.139.amzn2023.aarch64
    kernel-tools-devel-6.1.59-84.139.amzn2023.aarch64
    perf-6.1.59-84.139.amzn2023.aarch64
    bpftool-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-6.1.59-84.139.amzn2023.aarch64
    kernel-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-debuginfo-common-aarch64-6.1.59-84.139.amzn2023.aarch64
    kernel-devel-6.1.59-84.139.amzn2023.aarch64

src:
    kernel-6.1.59-84.139.amzn2023.src

x86_64:
    python3-perf-debuginfo-6.1.59-84.139.amzn2023.x86_64
    kernel-tools-devel-6.1.59-84.139.amzn2023.x86_64
    bpftool-debuginfo-6.1.59-84.139.amzn2023.x86_64
    kernel-libbpf-devel-6.1.59-84.139.amzn2023.x86_64
    kernel-tools-6.1.59-84.139.amzn2023.x86_64
    kernel-tools-debuginfo-6.1.59-84.139.amzn2023.x86_64
    python3-perf-6.1.59-84.139.amzn2023.x86_64
    kernel-libbpf-6.1.59-84.139.amzn2023.x86_64
    kernel-livepatch-6.1.59-84.139-1.0-0.amzn2023.x86_64
    perf-debuginfo-6.1.59-84.139.amzn2023.x86_64
    bpftool-6.1.59-84.139.amzn2023.x86_64
    kernel-libbpf-static-6.1.59-84.139.amzn2023.x86_64
    perf-6.1.59-84.139.amzn2023.x86_64
    kernel-modules-extra-6.1.59-84.139.amzn2023.x86_64
    kernel-headers-6.1.59-84.139.amzn2023.x86_64
    kernel-debuginfo-6.1.59-84.139.amzn2023.x86_64
    kernel-6.1.59-84.139.amzn2023.x86_64
    kernel-debuginfo-common-x86_64-6.1.59-84.139.amzn2023.x86_64
    kernel-devel-6.1.59-84.139.amzn2023.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

kernel: All versions

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-422.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.

5) Information disclosure

EUVDB-ID: #VU91368

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-52481

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to information disclosure within the ERRATA_MIDR_REV_RANGE() function in arch/arm64/kernel/cpu_errata.c. A local user can gain access to sensitive information.

Mitigation

Update the affected packages:

aarch64:
    kernel-tools-6.1.59-84.139.amzn2023.aarch64
    kernel-modules-extra-6.1.59-84.139.amzn2023.aarch64
    bpftool-6.1.59-84.139.amzn2023.aarch64
    python3-perf-6.1.59-84.139.amzn2023.aarch64
    perf-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-livepatch-6.1.59-84.139-1.0-0.amzn2023.aarch64
    kernel-libbpf-devel-6.1.59-84.139.amzn2023.aarch64
    kernel-libbpf-6.1.59-84.139.amzn2023.aarch64
    kernel-tools-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-headers-6.1.59-84.139.amzn2023.aarch64
    python3-perf-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-libbpf-static-6.1.59-84.139.amzn2023.aarch64
    kernel-tools-devel-6.1.59-84.139.amzn2023.aarch64
    perf-6.1.59-84.139.amzn2023.aarch64
    bpftool-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-6.1.59-84.139.amzn2023.aarch64
    kernel-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-debuginfo-common-aarch64-6.1.59-84.139.amzn2023.aarch64
    kernel-devel-6.1.59-84.139.amzn2023.aarch64

src:
    kernel-6.1.59-84.139.amzn2023.src

x86_64:
    python3-perf-debuginfo-6.1.59-84.139.amzn2023.x86_64
    kernel-tools-devel-6.1.59-84.139.amzn2023.x86_64
    bpftool-debuginfo-6.1.59-84.139.amzn2023.x86_64
    kernel-libbpf-devel-6.1.59-84.139.amzn2023.x86_64
    kernel-tools-6.1.59-84.139.amzn2023.x86_64
    kernel-tools-debuginfo-6.1.59-84.139.amzn2023.x86_64
    python3-perf-6.1.59-84.139.amzn2023.x86_64
    kernel-libbpf-6.1.59-84.139.amzn2023.x86_64
    kernel-livepatch-6.1.59-84.139-1.0-0.amzn2023.x86_64
    perf-debuginfo-6.1.59-84.139.amzn2023.x86_64
    bpftool-6.1.59-84.139.amzn2023.x86_64
    kernel-libbpf-static-6.1.59-84.139.amzn2023.x86_64
    perf-6.1.59-84.139.amzn2023.x86_64
    kernel-modules-extra-6.1.59-84.139.amzn2023.x86_64
    kernel-headers-6.1.59-84.139.amzn2023.x86_64
    kernel-debuginfo-6.1.59-84.139.amzn2023.x86_64
    kernel-6.1.59-84.139.amzn2023.x86_64
    kernel-debuginfo-common-x86_64-6.1.59-84.139.amzn2023.x86_64
    kernel-devel-6.1.59-84.139.amzn2023.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

kernel: All versions

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-422.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.

6) Resource management error

EUVDB-ID: #VU89387

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-2023-52522

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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

The vulnerability exists due to improper management of internal resources within the neigh_periodic_work() function in net/core/neighbour.c. A local user can  perform a denial of service (DoS) attack.

Mitigation

Update the affected packages:

aarch64:
    kernel-tools-6.1.59-84.139.amzn2023.aarch64
    kernel-modules-extra-6.1.59-84.139.amzn2023.aarch64
    bpftool-6.1.59-84.139.amzn2023.aarch64
    python3-perf-6.1.59-84.139.amzn2023.aarch64
    perf-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-livepatch-6.1.59-84.139-1.0-0.amzn2023.aarch64
    kernel-libbpf-devel-6.1.59-84.139.amzn2023.aarch64
    kernel-libbpf-6.1.59-84.139.amzn2023.aarch64
    kernel-tools-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-headers-6.1.59-84.139.amzn2023.aarch64
    python3-perf-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-libbpf-static-6.1.59-84.139.amzn2023.aarch64
    kernel-tools-devel-6.1.59-84.139.amzn2023.aarch64
    perf-6.1.59-84.139.amzn2023.aarch64
    bpftool-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-6.1.59-84.139.amzn2023.aarch64
    kernel-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-debuginfo-common-aarch64-6.1.59-84.139.amzn2023.aarch64
    kernel-devel-6.1.59-84.139.amzn2023.aarch64

src:
    kernel-6.1.59-84.139.amzn2023.src

x86_64:
    python3-perf-debuginfo-6.1.59-84.139.amzn2023.x86_64
    kernel-tools-devel-6.1.59-84.139.amzn2023.x86_64
    bpftool-debuginfo-6.1.59-84.139.amzn2023.x86_64
    kernel-libbpf-devel-6.1.59-84.139.amzn2023.x86_64
    kernel-tools-6.1.59-84.139.amzn2023.x86_64
    kernel-tools-debuginfo-6.1.59-84.139.amzn2023.x86_64
    python3-perf-6.1.59-84.139.amzn2023.x86_64
    kernel-libbpf-6.1.59-84.139.amzn2023.x86_64
    kernel-livepatch-6.1.59-84.139-1.0-0.amzn2023.x86_64
    perf-debuginfo-6.1.59-84.139.amzn2023.x86_64
    bpftool-6.1.59-84.139.amzn2023.x86_64
    kernel-libbpf-static-6.1.59-84.139.amzn2023.x86_64
    perf-6.1.59-84.139.amzn2023.x86_64
    kernel-modules-extra-6.1.59-84.139.amzn2023.x86_64
    kernel-headers-6.1.59-84.139.amzn2023.x86_64
    kernel-debuginfo-6.1.59-84.139.amzn2023.x86_64
    kernel-6.1.59-84.139.amzn2023.x86_64
    kernel-debuginfo-common-x86_64-6.1.59-84.139.amzn2023.x86_64
    kernel-devel-6.1.59-84.139.amzn2023.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

kernel: All versions

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-422.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.

7) NULL pointer dereference

EUVDB-ID: #VU90635

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-2023-52523

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to NULL pointer dereference within the BPF_CALL_4() function in net/core/sock_map.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected packages:

aarch64:
    kernel-tools-6.1.59-84.139.amzn2023.aarch64
    kernel-modules-extra-6.1.59-84.139.amzn2023.aarch64
    bpftool-6.1.59-84.139.amzn2023.aarch64
    python3-perf-6.1.59-84.139.amzn2023.aarch64
    perf-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-livepatch-6.1.59-84.139-1.0-0.amzn2023.aarch64
    kernel-libbpf-devel-6.1.59-84.139.amzn2023.aarch64
    kernel-libbpf-6.1.59-84.139.amzn2023.aarch64
    kernel-tools-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-headers-6.1.59-84.139.amzn2023.aarch64
    python3-perf-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-libbpf-static-6.1.59-84.139.amzn2023.aarch64
    kernel-tools-devel-6.1.59-84.139.amzn2023.aarch64
    perf-6.1.59-84.139.amzn2023.aarch64
    bpftool-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-6.1.59-84.139.amzn2023.aarch64
    kernel-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-debuginfo-common-aarch64-6.1.59-84.139.amzn2023.aarch64
    kernel-devel-6.1.59-84.139.amzn2023.aarch64

src:
    kernel-6.1.59-84.139.amzn2023.src

x86_64:
    python3-perf-debuginfo-6.1.59-84.139.amzn2023.x86_64
    kernel-tools-devel-6.1.59-84.139.amzn2023.x86_64
    bpftool-debuginfo-6.1.59-84.139.amzn2023.x86_64
    kernel-libbpf-devel-6.1.59-84.139.amzn2023.x86_64
    kernel-tools-6.1.59-84.139.amzn2023.x86_64
    kernel-tools-debuginfo-6.1.59-84.139.amzn2023.x86_64
    python3-perf-6.1.59-84.139.amzn2023.x86_64
    kernel-libbpf-6.1.59-84.139.amzn2023.x86_64
    kernel-livepatch-6.1.59-84.139-1.0-0.amzn2023.x86_64
    perf-debuginfo-6.1.59-84.139.amzn2023.x86_64
    bpftool-6.1.59-84.139.amzn2023.x86_64
    kernel-libbpf-static-6.1.59-84.139.amzn2023.x86_64
    perf-6.1.59-84.139.amzn2023.x86_64
    kernel-modules-extra-6.1.59-84.139.amzn2023.x86_64
    kernel-headers-6.1.59-84.139.amzn2023.x86_64
    kernel-debuginfo-6.1.59-84.139.amzn2023.x86_64
    kernel-6.1.59-84.139.amzn2023.x86_64
    kernel-debuginfo-common-x86_64-6.1.59-84.139.amzn2023.x86_64
    kernel-devel-6.1.59-84.139.amzn2023.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

kernel: All versions

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-422.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.

8) Resource management error

EUVDB-ID: #VU93208

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-2023-52559

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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

The vulnerability exists due to resource management error within the iommu_suspend() and iommu_resume() functions in drivers/iommu/intel/iommu.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected packages:

aarch64:
    kernel-tools-6.1.59-84.139.amzn2023.aarch64
    kernel-modules-extra-6.1.59-84.139.amzn2023.aarch64
    bpftool-6.1.59-84.139.amzn2023.aarch64
    python3-perf-6.1.59-84.139.amzn2023.aarch64
    perf-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-livepatch-6.1.59-84.139-1.0-0.amzn2023.aarch64
    kernel-libbpf-devel-6.1.59-84.139.amzn2023.aarch64
    kernel-libbpf-6.1.59-84.139.amzn2023.aarch64
    kernel-tools-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-headers-6.1.59-84.139.amzn2023.aarch64
    python3-perf-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-libbpf-static-6.1.59-84.139.amzn2023.aarch64
    kernel-tools-devel-6.1.59-84.139.amzn2023.aarch64
    perf-6.1.59-84.139.amzn2023.aarch64
    bpftool-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-6.1.59-84.139.amzn2023.aarch64
    kernel-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-debuginfo-common-aarch64-6.1.59-84.139.amzn2023.aarch64
    kernel-devel-6.1.59-84.139.amzn2023.aarch64

src:
    kernel-6.1.59-84.139.amzn2023.src

x86_64:
    python3-perf-debuginfo-6.1.59-84.139.amzn2023.x86_64
    kernel-tools-devel-6.1.59-84.139.amzn2023.x86_64
    bpftool-debuginfo-6.1.59-84.139.amzn2023.x86_64
    kernel-libbpf-devel-6.1.59-84.139.amzn2023.x86_64
    kernel-tools-6.1.59-84.139.amzn2023.x86_64
    kernel-tools-debuginfo-6.1.59-84.139.amzn2023.x86_64
    python3-perf-6.1.59-84.139.amzn2023.x86_64
    kernel-libbpf-6.1.59-84.139.amzn2023.x86_64
    kernel-livepatch-6.1.59-84.139-1.0-0.amzn2023.x86_64
    perf-debuginfo-6.1.59-84.139.amzn2023.x86_64
    bpftool-6.1.59-84.139.amzn2023.x86_64
    kernel-libbpf-static-6.1.59-84.139.amzn2023.x86_64
    perf-6.1.59-84.139.amzn2023.x86_64
    kernel-modules-extra-6.1.59-84.139.amzn2023.x86_64
    kernel-headers-6.1.59-84.139.amzn2023.x86_64
    kernel-debuginfo-6.1.59-84.139.amzn2023.x86_64
    kernel-6.1.59-84.139.amzn2023.x86_64
    kernel-debuginfo-common-x86_64-6.1.59-84.139.amzn2023.x86_64
    kernel-devel-6.1.59-84.139.amzn2023.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

kernel: All versions

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-422.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.

9) Improper locking

EUVDB-ID: #VU86245

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-2024-0641

CWE-ID: CWE-667 - Improper Locking

Exploit availability: No

Description

The vulnerability allows a malicious guest to perform a denial of service attack (DoS) on the target system.

The vulnerability exists due to double-locking error within the tipc_crypto_key_revoke() function in net/tipc/crypto.c. A malicious guest can exploit this vulnerability to cause a deadlock, resulting in a denial of service.

Mitigation

Update the affected packages:

aarch64:
    kernel-tools-6.1.59-84.139.amzn2023.aarch64
    kernel-modules-extra-6.1.59-84.139.amzn2023.aarch64
    bpftool-6.1.59-84.139.amzn2023.aarch64
    python3-perf-6.1.59-84.139.amzn2023.aarch64
    perf-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-livepatch-6.1.59-84.139-1.0-0.amzn2023.aarch64
    kernel-libbpf-devel-6.1.59-84.139.amzn2023.aarch64
    kernel-libbpf-6.1.59-84.139.amzn2023.aarch64
    kernel-tools-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-headers-6.1.59-84.139.amzn2023.aarch64
    python3-perf-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-libbpf-static-6.1.59-84.139.amzn2023.aarch64
    kernel-tools-devel-6.1.59-84.139.amzn2023.aarch64
    perf-6.1.59-84.139.amzn2023.aarch64
    bpftool-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-6.1.59-84.139.amzn2023.aarch64
    kernel-debuginfo-6.1.59-84.139.amzn2023.aarch64
    kernel-debuginfo-common-aarch64-6.1.59-84.139.amzn2023.aarch64
    kernel-devel-6.1.59-84.139.amzn2023.aarch64

src:
    kernel-6.1.59-84.139.amzn2023.src

x86_64:
    python3-perf-debuginfo-6.1.59-84.139.amzn2023.x86_64
    kernel-tools-devel-6.1.59-84.139.amzn2023.x86_64
    bpftool-debuginfo-6.1.59-84.139.amzn2023.x86_64
    kernel-libbpf-devel-6.1.59-84.139.amzn2023.x86_64
    kernel-tools-6.1.59-84.139.amzn2023.x86_64
    kernel-tools-debuginfo-6.1.59-84.139.amzn2023.x86_64
    python3-perf-6.1.59-84.139.amzn2023.x86_64
    kernel-libbpf-6.1.59-84.139.amzn2023.x86_64
    kernel-livepatch-6.1.59-84.139-1.0-0.amzn2023.x86_64
    perf-debuginfo-6.1.59-84.139.amzn2023.x86_64
    bpftool-6.1.59-84.139.amzn2023.x86_64
    kernel-libbpf-static-6.1.59-84.139.amzn2023.x86_64
    perf-6.1.59-84.139.amzn2023.x86_64
    kernel-modules-extra-6.1.59-84.139.amzn2023.x86_64
    kernel-headers-6.1.59-84.139.amzn2023.x86_64
    kernel-debuginfo-6.1.59-84.139.amzn2023.x86_64
    kernel-6.1.59-84.139.amzn2023.x86_64
    kernel-debuginfo-common-x86_64-6.1.59-84.139.amzn2023.x86_64
    kernel-devel-6.1.59-84.139.amzn2023.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

kernel: All versions

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-422.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.



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