CVE-2023-53519: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: media: v4l2-mem2mem: add lock to protect parameter num_rdy Getting below error when using KCSAN to check the driver. Adding lock to protect parameter num_rdy when getting the value with function: v4l2_m2m_num_src_bufs_ready/v4l2_m2m_num_dst_bufs_ready. kworker/u16:3: [name:report&]BUG: KCSAN: data-race in v4l2_m2m_buf_queue kworker/u16:3: [name:report&] kworker/u16:3: [name:report&]read-write to 0xffffff8105f35b94 of 1 bytes by task 20865 on cpu 7: kworker/u16:3: v4l2_m2m_buf_queue+0xd8/0x10c

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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-667 CWE-667

Affected Products

Vendor	Product	Versions
linux	linux_kernel	2.6.39 — 4.14.324
linux	linux_kernel	4.15 — 4.19.293
linux	linux_kernel	4.20 — 5.4.255
linux	linux_kernel	5.5 — 5.10.192
linux	linux_kernel	5.11 — 5.15.128
linux	linux_kernel	5.16 — 6.1.47
linux	linux_kernel	6.2 — 6.4.12

References

Advisories & Patches

https://git.kernel.org/stable/c/1676748aa29099fc0abd71e0fb092e76e835f25c https://git.kernel.org/stable/c/56b5c3e67b0f9af3f45cf393be048ee8d8a92694 https://git.kernel.org/stable/c/690dd4780b3f4d755e4e7883e8c3d1b5052f6bf2 https://git.kernel.org/stable/c/7fc7f87725805197388ba749a1801df33000fa50 https://git.kernel.org/stable/c/c71aa5f1cf961264690f2560503ea396b6e3c680 https://git.kernel.org/stable/c/e01ea1c4191ee08440b5f86db98dff695e9cedf9 https://git.kernel.org/stable/c/e52de26cb37459b16213438a2c82feb155dd3bbd https://git.kernel.org/stable/c/ef009fe2010ea2a3a7045ecb72729cf366e0967b

Frequently Asked Questions

What is CVE-2023-53519? +

In the Linux kernel, the following vulnerability has been resolved: media: v4l2-mem2mem: add lock to protect parameter num_rdy Getting below error when using KCSAN to check the driver. Adding lock to protect parameter num_rdy when getting the value with function: v4l2_m2m_num_src_bufs_ready/v4l2_m2m_num_dst_bufs_ready. kworker/u16:3: [name:report&]BUG: KCSAN: data-race in v4l2_m2m_buf_queue kworker/u16:3: [name:report&] kworker/u16:3: [name:report&]read-write to 0xffffff8105f35b94 of 1 bytes by task 20865 on cpu 7: kworker/u16:3: v4l2_m2m_buf_queue+0xd8/0x10c It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2023-53519? +

CVE-2023-53519 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-2023-53519? +

CVE-2023-53519 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-2023-53519? +

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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