CVE-2023-52744

RDMA/irdma: Fix potential NULL-ptr-dereference

MEDIUM
5.5
CVSS Score
Published: May 21, 2024 at 03:23 PM UTC
Updated: June 17, 2026 at 06:43 AM UTC
1 product affected across 1 vendorLinux Kernel

Using Linux by Linux?

Get instant alerts when new vulnerabilities affect Linux - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fix potential NULL-ptr-dereference in_dev_get() can return NULL which will cause a failure once idev is dereferenced in in_dev_for_each_ifa_rtnl(). This patch adds a check for NULL value in idev beforehand. Found by Linux Verification Center (linuxtesting.org) with SVACE.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

5.14 ≤ v < 5.15.945.14 ≤ v < 6.1.125.14 ≤ v < 6.25.16 ≤ v < 6.1.12146b9756f14c04894226fb97e2f102f217139c276.2 rc16.2 rc26.2 rc36.2 rc46.2 rc56.2 rc66.2 rc7
Vendor states this is fixed in 360682fe7df262d94fae54f737c487bec0f9190d (fixed)
Vendor states this is fixed in 5d9745cead1f121974322b94ceadfb4d1e67960e (fixed)
Vendor states this is fixed in 8f5fe1cd8e6a97f94840b55f59ed08cbc397086f (fixed)
Vendor states this is fixed in 5.14 (unaffected)
Vendor states this is fixed in 5.15.94 (unaffected)
Vendor states this is fixed in 6.1.12 (unaffected)
Vendor states this is fixed in 6.2 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/360682fe7df262d94fae54f737c487bec0f9190d
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/5d9745cead1f121974322b94ceadfb4d1e67960e
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/8f5fe1cd8e6a97f94840b55f59ed08cbc397086f

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-476

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card