CVE-2023-53384 — NULL Pointer Dereference in Linux

CWE-476 — NULL Pointer Dereference5 documents5 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 96.24%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedSep 18

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: avoid possible NULL skb pointer dereference In 'mwifiex_handle_uap_rx_forward()', always check the value returned by 'skb_copy()' to avoid potential NULL pointer dereference in 'mwifiex_uap_queue_bridged_pkt()', and drop original skb in case of copying failure. Found by Linux Verification Center (linuxtesting.org) with SVACE.

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 Packages4 packages

▶NVDlinux/linux_kernel3.7 — 4.14.326+7
▶Debianlinux/linux_kernel< 5.10.197-1+3
▶CVEListV5linux/linux838e4f44929782a2163c7bc95a7cd2da5d8b47f9 — d155c5f64cefacdc6a9a26d40be53ee2903c28ff+9
▶debiandebian/linux< linux 6.1.55-1 (bookworm)

Patches

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

🔴Vulnerability Details

2
GHSA
GHSA-jhfh-g9jf-gfpv: In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: avoid possible NULL skb pointer dereference In 'mwifiex_handle_ua↗2025-09-18
▶
OSV
CVE-2023-53384: In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: avoid possible NULL skb pointer dereference In 'mwifiex_handle_uap_↗2025-09-18
▶

📋Vendor Advisories

2
Red Hat
kernel: wifi: mwifiex: avoid possible NULL skb pointer dereference↗2025-09-18
▶
Debian
CVE-2023-53384: linux - In the Linux kernel, the following vulnerability has been resolved: wifi: mwifi...↗2023
▶
CVE-2023-53384 — NULL Pointer Dereference in Linux | cvebase