5.5

CVE-2026-43257: linux

CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2026-43257DEBIAN-CVE-2026-43257
Published 06-05-2026Last modified 11-05-2026
Open JSON

Vulnerability summary

CVE-2026-43257 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 5.1% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.16%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 38 · Related 38
OPENSUSE-SU-2026:21555-1SUSE-SU-2026:23066-1SUSE-SU-2026:23068-1SUSE-SU-2026:23193-1SUSE-SU-2026:23194-1SUSE-SU-2026:23221-1

Timeline

  1. 06-05-2026
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

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 metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.16%

Chance of exploitation in the next 30 days

Percentile

5%

Versus all other CVEs

30-day change

+0.03 pp

From 0.13% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.16%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu157 products
  • linuxAll versions (No fix recorded) | < 5.15.0-186.196 | < 6.8.0-134.134
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1112.119 | < 6.8.0-1060.63
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ b2c75abde0debfb824f72845c3ed77d4b66798a0, < f0d7f735eba963742009b0706e19dd0bed91537a | ≥ b2c75abde0debfb824f72845c3ed77d4b66798a0, < dc911fccc6e08ef46a66b2a42a764252b001ee3c | ≥ b2c75abde0debfb824f72845c3ed77d4b66798a0, < 24f3dabeb97bd0bec8c1c926c97e3eb6a8129225 | ≥ b2c75abde0debfb824f72845c3ed77d4b66798a0, < 10ab64f8efc2f479293dce929fde326c285fc96f | ≥ b2c75abde0debfb824f72845c3ed77d4b66798a0, < e3fb15aadfc8643203bbdf97ace0396e4586fa64 | ≥ b2c75abde0debfb824f72845c3ed77d4b66798a0, < 1ce8c2a8f050a23240553c8bae628ac623f9dbc1 | ≥ b2c75abde0debfb824f72845c3ed77d4b66798a0, < 3baefeeb7b85e1e34eebef399ffa312be7179e30 | ≥ b2c75abde0debfb824f72845c3ed77d4b66798a0, < dbc527d980f7ba8559de38f8c1e4158c71a78915 | 3.19
  • linux_kernel≥ 3.19, < 5.10.252 | ≥ 5.11, < 5.15.202 | ≥ 5.16, < 6.1.165 | ≥ 6.2, < 6.6.128 | ≥ 6.7, < 6.12.75 | ≥ 6.13, < 6.18.16 | ≥ 6.19, < 6.19.6
Debian1 product
  • linux< 6.1.170-1 | < 6.12.85-1 | < 6.19.6-1

3 vendors · 160 products

References

37 links
Show all 37 references