CVE-2023-53435: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: cassini: Fix a memory leak in the error handling path of cas_init_one() cas_saturn_firmware_init() allocates some memory using vmalloc(). This memory is freed in the .remove() function but not it the error handling path of the probe. Add the missing vfree() to avoid a memory leak, should an error occur.

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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	2.6.28 — 4.14.316
linux	linux_kernel	4.15 — 4.19.284
linux	linux_kernel	4.20 — 5.4.244
linux	linux_kernel	5.5 — 5.10.181
linux	linux_kernel	5.11 — 5.15.113
linux	linux_kernel	5.16 — 6.1.30
linux	linux_kernel	6.2 — 6.3.4
linux	linux_kernel	All
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/11c0ed097a874156957b515d0ba7e356142eab87 https://git.kernel.org/stable/c/172146c26f0c1b86ab4e9ebffc7e06f04229fa17 https://git.kernel.org/stable/c/234e744d86bd95b381d24546df2dba72804e0219 https://git.kernel.org/stable/c/412cd77a2c24b191c65ea53025222418db09817c https://git.kernel.org/stable/c/60d8e8b88087d68e10c8991a0f6733fa2f963ff0 https://git.kernel.org/stable/c/b8b1a667744741fa7807b09a12797a27f14f3fac https://git.kernel.org/stable/c/dc61f7582cc92d547d02e141cd66f5d1f4ed8012 https://git.kernel.org/stable/c/e20105d967ab5b53ff50a0e5991fe37324d2ba20

Frequently Asked Questions

What is CVE-2023-53435? +

In the Linux kernel, the following vulnerability has been resolved: cassini: Fix a memory leak in the error handling path of cas_init_one() cas_saturn_firmware_init() allocates some memory using vmalloc(). This memory is freed in the .remove() function but not it the error handling path of the probe. Add the missing vfree() to avoid a memory leak, should an error occur. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2023-53435? +

CVE-2023-53435 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-2023-53435? +

CVE-2023-53435 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-2023-53435? +

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-2023-53435