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CVE-2026-48183: Improper permission handling during buffer operations allows untrusted applications to create memory mappings

0
Routine
HIGH n/aMITIGATEMITIGATEMITIGATE

CVE-2026-48183 is a high-severity flaw (CVSS n/a) affecting exynos 1480, exynos 2400, exynos 1580. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper permission handling during buffer operations allows untrusted applications to create memory mappings with inappropriate permissions

Why this priority

  • No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS scoren/a (High)
EPSS exploit chancen/a
CISA exploited listNo
WeaknessCWE-281
Published2026-11-05
Last modified2026-11-05
Publisher (CNA): samsungsemiconductor · Vendor: samsung semiconductor · Source: CVE Program record (NVD analysis pending)

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Last updated 2026-11-05 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

samsung semiconductor exynos 1480 MITIGATE
Affected: < October 2026
Fixed in: October 2026
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy exynos-1480 || rpm -q exynos-1480 || exynos-1480 --version
No fixed or unaffected release known
Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.
samsung semiconductor exynos 2400 MITIGATE
Affected: < October 2026
Fixed in: October 2026
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy exynos-2400 || rpm -q exynos-2400 || exynos-2400 --version
No fixed or unaffected release known
Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.
samsung semiconductor exynos 1580 MITIGATE
Affected: < October 2026
Fixed in: October 2026
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy exynos-1580 || rpm -q exynos-1580 || exynos-1580 --version
No fixed or unaffected release known
Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.
samsung semiconductor exynos 2500 MITIGATE
Affected: < October 2026
Fixed in: October 2026
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy exynos-2500 || rpm -q exynos-2500 || exynos-2500 --version
No fixed or unaffected release known
Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.
samsung semiconductor exynos 2600 MITIGATE
Affected: < October 2026
Fixed in: October 2026
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy exynos-2600 || rpm -q exynos-2600 || exynos-2600 --version
No fixed or unaffected release known
Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.
samsung semiconductor exynos 1680 MITIGATE
Affected: < October 2026
Fixed in: October 2026
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy exynos-1680 || rpm -q exynos-1680 || exynos-1680 --version
No fixed or unaffected release known
Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Advisories and coverage

Research and news

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-48183?

exynos 1480: mitigate or apply the listed mitigation; exynos 2400: mitigate or apply the listed mitigation; exynos 1580: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-48183 being exploited?

CVE-2026-48183 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-48183 affect?

CVE-2026-48183 affects exynos 1480, exynos 2400, exynos 1580. Severity is high (CVSS n/a). Improper permission handling during buffer operations allows untrusted applications to create memory mappings with inappropriate permissions

How urgent is CVE-2026-48183?

Priority 0/100. No elevated risk signals yet.

Software pages

Samsung vulnerabilities

Related CVEs

References

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