CVE-2023-53059: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: platform/chrome: cros_ec_chardev: fix kernel data leak from ioctl It is possible to peep kernel page's data by providing larger `insize` in struct cros_ec_command[1] when invoking EC host commands. Fix it by using zeroed memory. [1]: https://elixir.bootlin.com/linux/v6.2/source/include/linux/platform_data/cros_ec_proto.h#L74

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CVSS v3.1 Score

7.1

HIGH

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

Affected Products

Vendor	Product	Versions
linux	linux_kernel	5.4 — 5.4.240
linux	linux_kernel	5.5 — 5.10.177
linux	linux_kernel	5.11 — 5.15.105
linux	linux_kernel	5.16 — 6.1.22
linux	linux_kernel	6.2 — 6.2.9
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/13493ad6a220cb3f6f3552a16b4f2753a118b633 https://git.kernel.org/stable/c/a0d8644784f73fa39f57f72f374eefaba2bf48a0 https://git.kernel.org/stable/c/b20cf3f89c56b5f6a38b7f76a8128bf9f291bbd3 https://git.kernel.org/stable/c/eab28bfafcd1245a3510df9aa9eb940589956ea6 https://git.kernel.org/stable/c/ebea2e16504f40d2c2bac42ad5c5a3de5ce034b4 https://git.kernel.org/stable/c/f86ff88a1548ccf5a13960c0e7625ca787ea0993

Frequently Asked Questions

What is CVE-2023-53059? +

In the Linux kernel, the following vulnerability has been resolved: platform/chrome: cros_ec_chardev: fix kernel data leak from ioctl It is possible to peep kernel page's data by providing larger `insize` in struct cros_ec_command[1] when invoking EC host commands. Fix it by using zeroed memory. [1]: https://elixir.bootlin.com/linux/v6.2/source/include/linux/platform_data/cros_ec_proto.h#L74 It has a CVSS v3.1 base score of 7.1 (HIGH).

How severe is CVE-2023-53059? +

CVE-2023-53059 has a CVSS v3.1 score of 7.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2023-53059? +

CVE-2023-53059 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-2023-53059? +

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-2023-53059