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amazonAmazonALAS2-2023-1969
HistoryMar 02, 2023 - 9:50 p.m.

Medium: libbpf

2023-03-0221:50:00
alas.aws.amazon.com
19
linux kernel
bpf
vulnerability
null pointer dereference
patch
vdb-211749
cve-2022-3606
amazon linux 2
security advisory

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

6.6 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.7%

Issue Overview:

A vulnerability was found in Linux Kernel. It has been classified as problematic. This affects the function find_prog_by_sec_insn of the file tools/lib/bpf/libbpf.c of the component BPF. The manipulation leads to null pointer dereference. It is recommended to apply a patch to fix this issue. The identifier VDB-211749 was assigned to this vulnerability. (CVE-2022-3606)

Affected Packages:

libbpf

Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.

Issue Correction:
Run yum update libbpf to update your system.

New Packages:

aarch64:  
    libbpf-0.5.0-2.amzn2.0.4.aarch64  
    libbpf-devel-0.5.0-2.amzn2.0.4.aarch64  
    libbpf-static-0.5.0-2.amzn2.0.4.aarch64  
    libbpf-debuginfo-0.5.0-2.amzn2.0.4.aarch64  
  
i686:  
    libbpf-0.5.0-2.amzn2.0.4.i686  
    libbpf-devel-0.5.0-2.amzn2.0.4.i686  
    libbpf-static-0.5.0-2.amzn2.0.4.i686  
    libbpf-debuginfo-0.5.0-2.amzn2.0.4.i686  
  
src:  
    libbpf-0.5.0-2.amzn2.0.4.src  
  
x86_64:  
    libbpf-0.5.0-2.amzn2.0.4.x86_64  
    libbpf-devel-0.5.0-2.amzn2.0.4.x86_64  
    libbpf-static-0.5.0-2.amzn2.0.4.x86_64  
    libbpf-debuginfo-0.5.0-2.amzn2.0.4.x86_64  

Additional References

Red Hat: CVE-2022-3606

Mitre: CVE-2022-3606

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

6.6 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.7%