CVE-2023-54321 — NULL Pointer Dereference in Linux

CWE-476 — NULL Pointer Dereference6 documents6 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 93.12%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedDec 30

Description

In the Linux kernel, the following vulnerability has been resolved: driver core: fix potential null-ptr-deref in device_add() I got the following null-ptr-deref report while doing fault injection test: BUG: kernel NULL pointer dereference, address: 0000000000000058 CPU: 2 PID: 278 Comm: 37-i2c-ds2482 Tainted: G B W N 6.1.0-rc3+ RIP: 0010:klist_put+0x2d/0xd0 Call Trace: klist_remove+0xf1/0x1c0 device_release_driver_internal+0x196/0x210 bus_remove_device+0x1bd/0x240 device_add+0xd3d/0x1100 w1_…

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_kernel2.6.26 — 5.10.249+3
▶Debianlinux/linux_kernel< 5.10.249-1+3
▶CVEListV5linux/linux57eee3d23e8833ca18708b374c648235691942ba — 97aa8fb74bbe9aaf4ed5962a784f73b071bd16bf+5
▶debiandebian/linux< linux 6.1.20-1 (bookworm)

Patches

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

🔴Vulnerability Details

2
GHSA
GHSA-vfgj-f4g9-xh2h: In the Linux kernel, the following vulnerability has been resolved: driver core: fix potential null-ptr-deref in device_add() I got the following nu↗2025-12-30
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OSV
CVE-2023-54321: In the Linux kernel, the following vulnerability has been resolved: driver core: fix potential null-ptr-deref in device_add() I got the following null↗2025-12-30
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📋Vendor Advisories

2
Red Hat
kernel: driver core: fix potential null-ptr-deref in device_add()↗2025-12-30
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Debian
CVE-2023-54321: linux - In the Linux kernel, the following vulnerability has been resolved: driver core...↗2023
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🕵️Threat Intelligence

1
Wiz
CVE-2023-54321 Impact, Exploitability, and Mitigation Steps | Wiz↗
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