CVE-2024-27048

wifi: brcm80211: handle pmk_op allocation failure

MEDIUM
5.5
CVSS Score
Published: May 1, 2024 at 12:54 PM UTC
Updated: June 17, 2026 at 07:19 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: brcm80211: handle pmk_op allocation failure The kzalloc() in brcmf_pmksa_v3_op() will return null if the physical memory has run out. As a result, if we dereference the null value, the null pointer dereference bug will happen. Return -ENOMEM from brcmf_pmksa_v3_op() if kzalloc() fails for pmk_op.

Affected

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

6.4 ≤ v < 6.6.236.4 ≤ v < 6.7.116.4 ≤ v < 6.8.26.4 ≤ v < 6.96.7 ≤ v < 6.7.116.8 ≤ v < 6.8.26.4a96202acaea47fa8377088e0952bb63bd02a3bab
Vendor states this is fixed in 6138a82f3bccfc67ed7ac059493579fc326c02e5 (fixed)
Vendor states this is fixed in 9975908315c13bae2f2ed5ba92870fa935180b0e (fixed)
Vendor states this is fixed in b4152222e04cb8afeeca239c90e3fcaf4c553b42 (fixed)
Vendor states this is fixed in df62e22c2e27420e8990a4f09e30d7bf56c2036f (fixed)
Vendor states this is fixed in 6.4 (unaffected)
Vendor states this is fixed in 6.6.23 (unaffected)
Vendor states this is fixed in 6.7.11 (unaffected)
Vendor states this is fixed in 6.8.2 (unaffected)
Vendor states this is fixed in 6.9 (unaffected)

References (4)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/6138a82f3bccfc67ed7ac059493579fc326c02e5
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/9975908315c13bae2f2ed5ba92870fa935180b0e
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/b4152222e04cb8afeeca239c90e3fcaf4c553b42
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/df62e22c2e27420e8990a4f09e30d7bf56c2036f

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

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