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CVE-2023-6915

NULL pointer dereference in Linux Kernel

CVSS score

5.5

EPSS probability

%0.3

Risk score

0.0

Published

2 y ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Official patch verified

Etkilenen ürün ve sürüm için yayımlanan güvenlik güncellemesini uygulayın.

Impact on My Inventory

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Vulnerability description

DayBreach CVE AI Research

CVE-2023-6915 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

A Null pointer dereference problem was found in ida_free in lib/idr.c in the Linux Kernel. This issue may allow an attacker using this library to cause a denial of service problem due to a missing check at a function return.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2023-6915 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1debiandebian linux View
2redhatcodeready linux builder View
3redhatcodeready linux builder for arm64 View
4redhatcodeready linux builder for power little endian View
5redhatcodeready linux builder for power little endian els View
6redhatenterprise linux View
7redhatenterprise linux for els View
8redhatenterprise linux for ibm z systems View
9redhatenterprise linux for ibm z systems els View
10redhatenterprise linux for power little endian View
11redhatenterprise linux for real time View
12redhatenterprise linux for real time for nfv View
13redhatcodeready linux builder View
14redhatcodeready linux builder for eus View
15redhatcodeready linux builder for eus View
16redhatcodeready linux builder for eus View
17redhatcodeready linux builder for ibm z systems View
18redhatcodeready linux builder for ibm z systems eus View
19redhatcodeready linux builder for ibm z systems eus View
20redhatcodeready linux builder for ibm z systems eus View
21redhatcodeready linux builder for power little endian View
22redhatcodeready linux builder for power little endian eus View
23redhatcodeready linux builder for power little endian eus View
24redhatcodeready linux builder for power little endian eus View
25redhatenterprise linux View
26redhatenterprise linux View
27redhatenterprise linux View
28redhatenterprise linux View
29redhatenterprise linux eus View
30redhatenterprise linux eus View
31redhatenterprise linux eus View
32redhatenterprise linux for els View
33redhatenterprise linux for els View
34redhatenterprise linux for els View
35redhatenterprise linux for ibm z systems View
36redhatenterprise linux for ibm z systems View
37redhatenterprise linux for ibm z systems View
38redhatenterprise linux for ibm z systems View
39redhatenterprise linux for ibm z systems els View
40redhatenterprise linux for ibm z systems els View
41redhatenterprise linux for ibm z systems els View
42redhatenterprise linux for ibm z systems eus View
43redhatenterprise linux for ibm z systems eus View
44redhatenterprise linux for ibm z systems eus View
45redhatenterprise linux for power little endian View
46redhatenterprise linux for power little endian els View
47redhatenterprise linux for power little endian els View
48redhatenterprise linux for power little endian els View
49redhatenterprise linux for power little endian eus View
50redhatenterprise linux for power little endian eus View
51redhatenterprise linux for power little endian eus View
52redhatenterprise linux server aus View
53redhatenterprise linux server aus View
54redhatenterprise linux server for power little endian update services for sap solutions View
55redhatenterprise linux server for power little endian update services for sap solutions View
56redhatenterprise linux server for power little endian update services for sap solutions View
57redhatenterprise linux update services for sap solutions View
58redhatenterprise linux update services for sap solutions View
59redhatenterprise linux update services for sap solutions View
60linuxlinux kernel View
Total affected vendors: 3|Products: 60

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
6.2CVSS V31MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HNVD
5.5CVSS V31MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch verified

2 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

nvd

NVD tarafından Patch olarak etiketlenmiş referans

Open source
reference

Yama veya çözüm referansı

Open source
Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Apply the official update named in the evidence only to the matching product and version.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-6915 is associated with the following CWEs:

CWE-476: NULL Pointer Dereference

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-6915 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureYerel erişim
PermissionsLow
UserGerekmiyor

Official Sources and Advisories

https://access.redhat.com/errata/RHSA-2024:2394vendor-advisoryhttps://access.redhat.com/errata/RHSA-2024:2950vendor-advisoryhttps://access.redhat.com/errata/RHSA-2024:3138vendor-advisoryhttps://access.redhat.com/security/cve/CVE-2023-6915nvdhttps://bugzilla.redhat.com/show_bug.cgi?id=2254982nvdhttps://github.com/torvalds/linux/commit/af73483f4e8b6f5c68c9aa63257bdd929a9c194apatchhttps://lists.debian.org/debian-lts-announce/2024/06/msg00016.htmlnvd

CVSS Vector Radar Chart

5.5 / 10
Attack VectorLocalComplexityLowPrivilegesLowUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityHigh

Vulnerability Scoring Details

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow privileges
User InteractionNone required
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)None
Availability (Erişilebilirlik)High

Yama doğrulandı

2 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

Follow the vendor

D
debian logo
debian
R
redhat logo
redhat
L
linux logo
linux

Weakness Type (CWE & CAPEC)

CWE-476

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CVE-2023-6915 · NULL pointer dereference in Linux Kernel