CVE-2024-46672 — NULL Pointer Dereference in Linux

CWE-476 — NULL Pointer Dereference16 documents7 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 95.23%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
LinuxLinux KernelDebian Linux+4 more
Timeline
PublishedSep 11
Latest updateJan 9

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: cfg80211: Handle SSID based pmksa deletion wpa_supplicant 2.11 sends since 1efdba5fdc2c ("Handle PMKSA flush in the driver for SAE/OWE offload cases") SSID based PMKSA del commands. brcmfmac is not prepared and tries to dereference the NULL bssid and pmkid pointers in cfg80211_pmksa. PMKID_V3 operations support SSID based updates so copy the SSID.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages9 packages

▶NVDlinux/linux_kernel6.4 — 6.6.48+2
▶Debianlinux/linux_kernel< 6.10.7-1+1
▶Ubuntulinux/linux_kernel< 6.8.0-50.51

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

7
OSV
linux-azure, linux-azure-6.8 vulnerabilities↗2025-01-09
▶
OSV
linux-hwe-6.8 vulnerabilities↗2025-01-06
▶
OSV
linux-gkeop vulnerabilities↗2024-12-12
▶
OSV
linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency vulnerabilities↗2024-12-12
▶
OSV
linux, linux-aws, linux-aws-6.8, linux-gcp, linux-gcp-6.8, linux-gke, linux-ibm, linux-lowlatency, linux-lowlatency-hwe-6.8, linux-oem-6.8, linux-oracle, linux-oracle-6.8, linux-raspi vulnerabilities↗2024-12-12
▶

📋Vendor Advisories

8
Ubuntu
Linux kernel (Azure) vulnerabilities↗2025-01-09
▶
Ubuntu
Linux kernel (HWE) vulnerabilities↗2025-01-06
▶
Ubuntu
Linux kernel (GKE) vulnerabilities↗2024-12-12
▶
Ubuntu
Linux kernel (NVIDIA) vulnerabilities↗2024-12-12
▶
Ubuntu
Linux kernel vulnerabilities↗2024-12-12
▶
CVE-2024-46672 — NULL Pointer Dereference in Linux | cvebase