CVE-2026-43257

Description

In the Linux kernel, the following vulnerability has been resolved: media: cx88: Add missing unmap in snd_cx88_hw_params() In error path, add cx88_alsa_dma_unmap() to release resource acquired by cx88_alsa_dma_map().

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

EPSS — Exploit Prediction

0.0001

Probability of exploitation

0.02%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-772 CWE-772

Affected Products

Vendor	Product	Versions
linux	linux_kernel	3.19 — 5.10.252
linux	linux_kernel	5.11 — 5.15.202
linux	linux_kernel	5.16 — 6.1.165
linux	linux_kernel	6.2 — 6.6.128
linux	linux_kernel	6.7 — 6.12.75
linux	linux_kernel	6.13 — 6.18.16
linux	linux_kernel	6.19 — 6.19.6

References

Advisories & Patches

https://git.kernel.org/stable/c/10ab64f8efc2f479293dce929fde326c285fc96f https://git.kernel.org/stable/c/1ce8c2a8f050a23240553c8bae628ac623f9dbc1 https://git.kernel.org/stable/c/24f3dabeb97bd0bec8c1c926c97e3eb6a8129225 https://git.kernel.org/stable/c/3baefeeb7b85e1e34eebef399ffa312be7179e30 https://git.kernel.org/stable/c/dbc527d980f7ba8559de38f8c1e4158c71a78915 https://git.kernel.org/stable/c/dc911fccc6e08ef46a66b2a42a764252b001ee3c https://git.kernel.org/stable/c/e3fb15aadfc8643203bbdf97ace0396e4586fa64 https://git.kernel.org/stable/c/f0d7f735eba963742009b0706e19dd0bed91537a

Frequently Asked Questions

What is CVE-2026-43257? +

In the Linux kernel, the following vulnerability has been resolved: media: cx88: Add missing unmap in snd_cx88_hw_params() In error path, add cx88_alsa_dma_unmap() to release resource acquired by cx88_alsa_dma_map(). It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-43257? +

CVE-2026-43257 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. The EPSS score is 0.0001, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-43257? +

CVE-2026-43257 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-2026-43257? +

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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