CVE-2023-23002 — NULL Pointer Dereference in Kernel

CWE-476 — NULL Pointer Dereference6 documents6 sources
Severity
5.5MEDIUMNVD
EPSS
0.1%
top 81.32%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Linux KernelDebian LinuxMsrc Cbl2 Kernel 5.15.102.1-1 ON CBL Mariner 2.0+1 more
Timeline
PublishedMar 1
Latest updateMar 14

Description

In the Linux kernel before 5.16.3, drivers/bluetooth/hci_qca.c misinterprets the devm_gpiod_get_index_optional return value (expects it to be NULL in the error case, whereas it is actually an error pointer).

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 Packages5 packages

▶NVDlinux/linux_kernel< 5.16.3
▶Debianlinux/linux_kernel< 5.10.103-1+3
▶debiandebian/linux< linux 5.16.7-1 (bookworm)

Patches

Patch: cdn.kernel.org ↗Patch: github.com ↗Patch: cdn.kernel.org ↗

🔴Vulnerability Details

2
OSV
CVE-2023-23002: In the Linux kernel before 5↗2023-03-01
▶
GHSA
GHSA-766m-w6rv-79q4: In the Linux kernel before 5↗2023-03-01
▶

📋Vendor Advisories

3
Microsoft
In the Linux kernel before 5.16.3 drivers/bluetooth/hci_qca.c misinterprets the devm_gpiod_get_index_optional return value (expects it to be NULL in the error case whereas it is actually an error poin↗2023-03-14
▶
Debian
CVE-2023-23002: linux - In the Linux kernel before 5.16.3, drivers/bluetooth/hci_qca.c misinterprets the...↗2023
▶
Red Hat
kernel: incorrect check for error case in the qca_serdev_probe↗2022-01-06
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