7.8

CVE-2024-49853: linux Double Free

CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2024-49853DEBIAN-CVE-2024-49853
Published 21-10-2024Last modified 11-05-2026
Open JSON

Vulnerability summary

CVE-2024-49853 is a high (CVSS 7.8) Double Free vulnerability in linux. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 11.3% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.22%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 25 · Related 24
DLA-4008-1MGASA-2024-0344MGASA-2024-0345OPENSUSE-SU-2024:14500-1OPENSUSE-SU-2025:14705-1SUSE-SU-2024:3984-1

Timeline

  1. 21-10-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

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 metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.22%

Chance of exploitation in the next 30 days

Percentile

11%

Versus all other CVEs

30-day change

0.00 pp

From 0.22% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.22%

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

Ubuntu94 products
  • linux< 6.8.0-54.56
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 6.8.0-1023.25
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 5f90f189a052f6fc46048f6ce29a37b709548b81, < d7f4fc2bc101e666da649605a9ece2bd42529c7a | ≥ 5f90f189a052f6fc46048f6ce29a37b709548b81, < 6699567b0bbb378600a4dc0a1f929439a4e84a2c | ≥ 5f90f189a052f6fc46048f6ce29a37b709548b81, < dc9543a4f2a5498a4a12d6d2427492a6f1a28056 | ≥ 5f90f189a052f6fc46048f6ce29a37b709548b81, < aef6ae124bb3cc12e34430fed91fbb7efd7a444d | ≥ 5f90f189a052f6fc46048f6ce29a37b709548b81, < e98dba934b2fc587eafb83f47ad64d9053b18ae0 | 5.18
  • linux_kernel≥ 5.18, < 6.1.113 | ≥ 6.2, < 6.6.54 | ≥ 6.7, < 6.10.13 | ≥ 6.11, < 6.11.2
Debian1 product
  • linux< 6.1.115-1 | < 6.11.2-1

3 vendors · 97 products

References

25 links
Show all 25 references