CVE-2024-49853

HIGHNVD 7.87.8—

7.8

In the Linux kernel, the following vulnerability has been resolved:

firmware: arm_scmi: Fix double free in OPTEE transport

Channels can be shared between protocols, avoid freeing the same channel descriptors twice when unloading the stack.

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 11.1%
KEV: Not listed

Published

October 21, 2024

Last Modified

November 3, 2025

References (6)

416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6699567b0bbb378600a4dc0a1f929439a4e84a2c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/aef6ae124bb3cc12e34430fed91fbb7efd7a444d
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d7f4fc2bc101e666da649605a9ece2bd42529c7a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/dc9543a4f2a5498a4a12d6d2427492a6f1a28056
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e98dba934b2fc587eafb83f47ad64d9053b18ae0
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

Patch Availability(14)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	linux-tools-realtime-hwe-24.04-edge (6.11.0-1005.5) @ oracular	2026-05-23	ubuntu
ubuntu	linux-virtual-hwe-24.04-edge (6.11.0-18.18) @ oracular	2026-05-23	ubuntu
ubuntu	linux-virtual (6.8.0-54.56) @ noble	2026-05-23	ubuntu
ubuntu	linux-tools-oem-24.04a (6.8.0-1024.24) @ noble	2026-05-23	ubuntu
ubuntu	linux-virtual-hwe-22.04-edge (6.8.0-57.59~22.04.1) @ jammy	2026-05-23	ubuntu
ubuntu	linux-tools-azure-edge (6.8.0-1025.30~22.04.1) @ jammy	2026-05-23	ubuntu
ubuntu	linux-tools-raspi (6.8.0-1019.23) @ noble	2026-05-23	ubuntu
ubuntu	linux-tools-aws-lts-24.04 (6.8.0-1023.25) @ noble	2026-05-23	ubuntu
ubuntu	linux-tools-nvidia-lowlatency-64k (6.8.0-1022.25.2) @ noble	2026-05-23	ubuntu
ubuntu	linux-tools-gkeop-6.8 (6.8.0-1006.8) @ noble	2026-05-23	ubuntu
ubuntu	linux-tools-oracle-lts-24.04 (6.8.0-1020.21) @ noble	2026-05-23	ubuntu
ubuntu	linux-tools-oem-24.04b (6.11.0-1015.15) @ noble	2026-05-23	ubuntu
ubuntu	linux-tools-azure-lts-24.04 (6.8.0-1025.30) @ noble	2026-05-23	ubuntu
ubuntu	linux-tools-ibm-lts-24.04 (6.8.0-1022.22) @ noble	2026-05-23	ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-415Double Free

All Vendor Advisories

(15)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 11× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-23 20:10 UTCEG score recompute
2026-05-23 20:10 UTCVendor advisory

Frequently asked(5)

What is CVE-2024-49853?

CVE-2024-49853 is a high vulnerability published on October 21, 2024. In the Linux kernel, the following vulnerability has been resolved: firmware: arm_scmi: Fix double free in OPTEE transport Channels can be shared between protocols, avoid freeing the same channel descriptors twice when unloading the stack.

When was CVE-2024-49853 disclosed?

CVE-2024-49853 was first published in the National Vulnerability Database on October 21, 2024, with the most recent update on November 3, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-49853 actively exploited?

CVE-2024-49853 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 11.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-49853?

CVE-2024-49853 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2024-49853?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-49853, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2024-49853

Published

Last Modified

References (6)

Patch Availability(14)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-49853?

Same vendor

Same CWE

CVE-2024-49853

📅 Published

🔄 Last Modified

🔗 References (6)

Patch Availability(14)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-49853?

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References (6)

Frequently asked(5)

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