CVE-2023-53139: linux kernel Null Dereference — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: nfc: fdp: add null check of devm_kmalloc_array in fdp_nci_i2c_read_device_properties devm_kmalloc_array may fails, *fw_vsc_cfg might be null and cause out-of-bounds write in device_property_read_u8_array later.

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CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-476 CWE-476

Affected Products

Vendor	Product	Versions
linux	linux_kernel	4.4 — 4.14.310
linux	linux_kernel	4.15 — 4.19.278
linux	linux_kernel	4.20 — 5.4.237
linux	linux_kernel	5.5 — 5.10.175
linux	linux_kernel	5.11 — 5.15.103
linux	linux_kernel	5.16 — 6.1.20
linux	linux_kernel	6.2 — 6.2.7
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/0a3664a1058d4b2b1ea2112cc275ca47fba7fc08 https://git.kernel.org/stable/c/11f180a5d62a51b484e9648f9b310e1bd50b1a57 https://git.kernel.org/stable/c/27824b2f98818215adc9661e563252c48dab1a13 https://git.kernel.org/stable/c/4357bbb921fe9e81d0fd9f70d669d1f177d8380e https://git.kernel.org/stable/c/80be62358fa5507cefbaa067c7e6648401f2c3da https://git.kernel.org/stable/c/98f49e693e02c1dafd5786be3468657840dd6f06 https://git.kernel.org/stable/c/ad11b872bc9b5d27e56183c6b01f9218c85395d2 https://git.kernel.org/stable/c/ce93f1afc05941a572f5a69e2ed4012af905a693

Frequently Asked Questions

What is CVE-2023-53139? +

In the Linux kernel, the following vulnerability has been resolved: nfc: fdp: add null check of devm_kmalloc_array in fdp_nci_i2c_read_device_properties devm_kmalloc_array may fails, *fw_vsc_cfg might be null and cause out-of-bounds write in device_property_read_u8_array later. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2023-53139? +

CVE-2023-53139 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2023-53139? +

CVE-2023-53139 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-53139? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2023-53139