6.2
MEDIUM
CVE-2023-6915
"Linux Kernel Ida Free Null Pointer Dereference Denial of Service"
Description

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.

INFO

Published Date :

Jan. 15, 2024, 10:15 a.m.

Last Modified :

Nov. 21, 2024, 8:44 a.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

2.5
Affected Products

The following products are affected by CVE-2023-6915 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
1 Redhat enterprise_linux

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-6915 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-6915 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2024:2394
    Added Reference https://access.redhat.com/errata/RHSA-2024:2950
    Added Reference https://access.redhat.com/errata/RHSA-2024:3138
    Added Reference https://access.redhat.com/security/cve/CVE-2023-6915
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2254982
    Added Reference https://github.com/torvalds/linux/commit/af73483f4e8b6f5c68c9aa63257bdd929a9c194a
    Added Reference https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html
  • CVE Modified by [email protected]

    Sep. 14, 2024

    Action Type Old Value New Value
    Removed Reference Red Hat, Inc. https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html
  • CVE Modified by [email protected]

    Jun. 25, 2024

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html [No types assigned]
  • CVE Modified by [email protected]

    May. 22, 2024

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:2950 [No types assigned]
    Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:3138 [No types assigned]
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Apr. 30, 2024

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:2394 [No types assigned]
  • Modified Analysis by [email protected]

    Feb. 06, 2024

    Action Type Old Value New Value
    Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • CVE Modified by [email protected]

    Feb. 06, 2024

    Action Type Old Value New Value
    Removed CVSS V3.1 Red Hat, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CVSS V3.1 Red Hat, Inc. AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE Modified by [email protected]

    Jan. 31, 2024

    Action Type Old Value New Value
    Removed CVSS V3.1 Red Hat, Inc. AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CVSS V3.1 Red Hat, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Initial Analysis by [email protected]

    Jan. 22, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://access.redhat.com/security/cve/CVE-2023-6915 No Types Assigned https://access.redhat.com/security/cve/CVE-2023-6915 Third Party Advisory
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2254982 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2254982 Issue Tracking
    Changed Reference Type https://github.com/torvalds/linux/commit/af73483f4e8b6f5c68c9aa63257bdd929a9c194a No Types Assigned https://github.com/torvalds/linux/commit/af73483f4e8b6f5c68c9aa63257bdd929a9c194a Patch
    Added CWE NIST CWE-476
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 6.7 *cpe:2.3:o:linux:linux_kernel:6.7:rc7:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.7:rc8:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
  • CVE Received by [email protected]

    Jan. 15, 2024

    Action Type Old Value New Value
    Added Description 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.
    Added Reference Red Hat, Inc. https://access.redhat.com/security/cve/CVE-2023-6915 [No types assigned]
    Added Reference Red Hat, Inc. https://bugzilla.redhat.com/show_bug.cgi?id=2254982 [No types assigned]
    Added Reference Red Hat, Inc. https://github.com/torvalds/linux/commit/af73483f4e8b6f5c68c9aa63257bdd929a9c194a [No types assigned]
    Added CWE Red Hat, Inc. CWE-476
    Added CVSS V3.1 Red Hat, Inc. AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

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

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.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} -0.01%

score

0.05710

percentile

CVSS31 - Vulnerability Scoring System
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