CVE-2026-69068: Insufficient length validation in the GNSS firmware loader may lead to corruption of kernel memory.

Q: How do I fix CVE-2026-69068?

exynos modem 5300: mitigate or apply the listed mitigation; exynos modem 5400: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2026-69068 being exploited?

CVE-2026-69068 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-69068 affect?

CVE-2026-69068 affects exynos modem 5300, exynos modem 5400. Severity is high (CVSS n/a). Insufficient length validation in the GNSS firmware loader may lead to corruption of kernel memory.

Q: How urgent is CVE-2026-69068?

Priority 0/100. No elevated risk signals yet.

Routine

HIGH n/aMITIGATEMITIGATE

CVE-2026-69068 is a high-severity flaw (CVSS n/a) affecting exynos modem 5300, exynos modem 5400. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Insufficient length validation in the GNSS firmware loader may lead to corruption of kernel memory.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	n/a (High)
EPSS exploit chance	n/a
CISA exploited list	No
Weakness	CWE-787
Published	2026-11-05
Last modified	2026-11-05

Publisher (CNA): samsungsemiconductor · Vendor: samsung semiconductor · Source: CVE Program record (NVD analysis pending)

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

Am I affected?

Timeline

2026-11-05 02:40 UTCPublished CVE record published
2026-11-05 02:40 UTCUpdated Record last modified

samsung semiconductor exynos modem 5300 MITIGATE

Affected: < November 2026

Fixed in: November 2026

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy exynos-modem-5300 || rpm -q exynos-modem-5300 || exynos-modem-5300 --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 modem 5400 MITIGATE

Affected: < November 2026

Fixed in: November 2026

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy exynos-modem-5400 || rpm -q exynos-modem-5400 || exynos-modem-5400 --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

VulDB Recent Entries: CVE-2026-69068 | Samsung Semiconductor Exynos Modem 5300/Exynos Modem 5400 GNSS Firmware Loader buffer overflow 2026-11-05

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-2026-69068?

exynos modem 5300: mitigate or apply the listed mitigation; exynos modem 5400: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-69068 being exploited?

CVE-2026-69068 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-2026-69068 affect?

CVE-2026-69068 affects exynos modem 5300, exynos modem 5400. Severity is high (CVSS n/a). Insufficient length validation in the GNSS firmware loader may lead to corruption of kernel memory.

How urgent is CVE-2026-69068?

Priority 0/100. No elevated risk signals yet.

Software pages

Samsung vulnerabilities

Related CVEs

CVE-2026-33965 HIGH n/a MITIGATE MITIGATE An attacker may send a malicious IMS message to the target device, potentially leading to information exposure
CVE-2026-33972 HIGH n/a MITIGATE MITIGATE In the Exynos modem's IMS stack, Out of Bound access occurs due to improper validation.
CVE-2026-48179 HIGH n/a MITIGATE MITIGATE In the Exynos modem's IMS stack, improper handling of SDP payload leads to a Denial of Service
CVE-2026-48176 HIGH n/a MITIGATE MITIGATE A memory corruption vulnerability caused by improper validation of messages
CVE-2026-35495 HIGH n/a MITIGATE MITIGATE In IMS stack, improper handling of SIP packets leads to Incorrect_Access_Control vulnerability

References

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