CVE-2023-53330: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: caif: fix memory leak in cfctrl_linkup_request() When linktype is unknown or kzalloc failed in cfctrl_linkup_request(), pkt is not released. Add release process to error path.

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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-401 CWE-401

Affected Products

Vendor	Product	Versions
linux	linux_kernel	2.6.35 — 4.14.303
linux	linux_kernel	4.15 — 4.19.270
linux	linux_kernel	4.20 — 5.4.229
linux	linux_kernel	5.5 — 5.10.163
linux	linux_kernel	5.11 — 5.15.87
linux	linux_kernel	5.16 — 6.0.19
linux	linux_kernel	6.1 — 6.1.5
linux	linux_kernel	All
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/1dddeceb26002cfea4c375e92ac6498768dc7349 https://git.kernel.org/stable/c/33df9c5d5e2a18c70f5f5f3c2757d654c1b6ffa3 https://git.kernel.org/stable/c/3acf3783a84cbdf0c9f8cf2f32ee9c49af93a2da https://git.kernel.org/stable/c/3ad47c8aa5648226184415e4a0cb1bf67ffbfd48 https://git.kernel.org/stable/c/84b2cc7b36b7f6957d307fb3d01603f93cb2d655 https://git.kernel.org/stable/c/badea57569db04b010e922e29a7aaf40a979a70b https://git.kernel.org/stable/c/dc1bc903970bdf63ca40ab923d3ccb765da9a8d9 https://git.kernel.org/stable/c/fe69230f05897b3de758427b574fc98025dfc907

Frequently Asked Questions

What is CVE-2023-53330? +

In the Linux kernel, the following vulnerability has been resolved: caif: fix memory leak in cfctrl_linkup_request() When linktype is unknown or kzalloc failed in cfctrl_linkup_request(), pkt is not released. Add release process to error path. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2023-53330? +

CVE-2023-53330 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-2023-53330? +

CVE-2023-53330 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-2023-53330? +

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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