7.8

CVE-2024-33619: linux Use of Uninitialized Resource

CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2024-33619DEBIAN-CVE-2024-33619
Published 21-06-2024Last modified 05-08-2026
Open JSON

Vulnerability summary

CVE-2024-33619 is a high (CVSS 7.8) Use of Uninitialized Resource vulnerability in linux. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15.3% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.25%
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 17 · Related 15
MGASA-2024-0263MGASA-2024-0266SUSE-SU-2024:2372-1SUSE-SU-2024:2394-1SUSE-SU-2024:2571-1SUSE-SU-2024:2896-1

Timeline

  1. 21-06-2024
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: efi: libstub: only free priv.runtime_map when allocated priv.runtime_map is only allocated when efi_novamap is not set. Otherwise, it is an uninitialized value. In the error path, it is freed unconditionally. Avoid passing an uninitialized value to free_pool. Free priv.runtime_map only when it was allocated. This bug was discovered and resolved using Coverity Static Analysis Security Testing (SAST) by Synopsys, Inc.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

15%

Versus all other CVEs

30-day change

0.00 pp

From 0.25% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.25%

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

Ubuntu92 products
  • linux< 6.8.0-44.44
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 6.8.0-1015.16
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ f80d26043af91ceb5036c478101c015edb9e7630, < b8938d6f570f010a1dcdbfed3e5b5d3258c2a908 | ≥ f80d26043af91ceb5036c478101c015edb9e7630, < 9dce01f386c9ce6990c0a83fa14b1c95330b037e | ≥ f80d26043af91ceb5036c478101c015edb9e7630, < 6ca67a5fe1c606d1fbe24c30a9fc0bdc43a18554 | ≥ f80d26043af91ceb5036c478101c015edb9e7630, < 4b2543f7e1e6b91cfc8dd1696e3cdf01c3ac8974 | 6.1
  • linux_kernel≥ 6.1, < 6.1.93 | ≥ 6.2, < 6.6.33 | ≥ 6.7, < 6.9.4
Debian1 product
  • linux< 6.1.94-1 | < 6.9.7-1

3 vendors · 95 products

References

15 links
Show all 15 references