CVE-2024-38796: tianocore edk2 Heap-based Buffer Overflow
CVSS: 5.9v3.1MediumDeferred
AliasesRHSA-2024:10268RHSA-2024:10272RHSA-2024:11185RHSA-2024:11194RHSA-2024:11219RHSA-2024:9921RHSA-2024:9930RHSA-2024:9946RHSA-2024:9956UBUNTU-CVE-2024-38796DEBIAN-CVE-2024-38796
Published 27-09-2024Last modified 03-11-2025
Vulnerability summary
CVE-2024-38796 is a medium (CVSS 5.9) Heap-based Buffer Overflow vulnerability in tianocore edk2. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 29.4% of scored vulnerabilities.
CVSS score
5.9/10
010
Medium · v3.1 (CVE.org)EPSS score
0.37%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 2 · Related 1Timeline
- 27-09-2024PublishedVulnerability first disclosed.
- 03-11-2025Last modifiedVulnerability information updated.
Description
EDK2 contains a vulnerability in the PeCoffLoaderRelocateImage(). An Attacker may cause memory corruption due to an overflow via an adjacent network. A successful exploit of this vulnerability may lead to a loss of Confidentiality, Integrity, and/or Availability.
CVSS metrics
5 scores · 5 sources · 1 versionMedium 5.9Preferred score · CVE.org (CNA)
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:LSourcesAll 5 agree
- OSV · Red hatEcosystem advisory · calculated5.9MediumCVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L
- OSV · UbuntuEcosystem advisory · calculated5.9MediumCVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L
- OSV · DebianEcosystem advisory · calculated5.9MediumCVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L
- NVDNIST5.9MediumCVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L
EPSS trend
Probability
0.37%
Chance of exploitation in the next 30 days
Percentile
29%
Versus all other CVEs
30-day change
0.00 pp
From 0.37% on 19-09-2026
19-09-202619-10-2026
EPSS score0.37%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Redhat7 products
- edk2< 0:20220126gitbb1bba3d77-13.el8_10.4 | < 0:20220126gitbb1bba3d77-2.el8_6.7 | < 0:20240524-6.el9_5.3 | < 0:20231122-6.el9_4.6 | < 0:20220126gitbb1bba3d77-3.el9_0.6 | < 0:20190829git37eef91017ad-9.el8_2.6 | < 0:20221207gitfff6d81270b5-9.el9_2.5 | < 0:20220126gitbb1bba3d77-4.el8_8.7 | < 0:20200602gitca407c7246bf-4.el8_4.7
- edk2-aarch64< 0:20220126gitbb1bba3d77-13.el8_10.4 | < 0:20220126gitbb1bba3d77-2.el8_6.7 | < 0:20240524-6.el9_5.3 | < 0:20231122-6.el9_4.6 | < 0:20220126gitbb1bba3d77-3.el9_0.6 | < 0:20221207gitfff6d81270b5-9.el9_2.5 | < 0:20220126gitbb1bba3d77-4.el8_8.7
- edk2-debugsource< 0:20240524-6.el9_5.3 | < 0:20231122-6.el9_4.6 | < 0:20221207gitfff6d81270b5-9.el9_2.5
- edk2-ovmf< 0:20220126gitbb1bba3d77-13.el8_10.4 | < 0:20220126gitbb1bba3d77-2.el8_6.7 | < 0:20240524-6.el9_5.3 | < 0:20231122-6.el9_4.6 | < 0:20220126gitbb1bba3d77-3.el9_0.6 | < 0:20190829git37eef91017ad-9.el8_2.6 | < 0:20221207gitfff6d81270b5-9.el9_2.5 | < 0:20220126gitbb1bba3d77-4.el8_8.7 | < 0:20200602gitca407c7246bf-4.el8_4.7
- edk2-tools< 0:20240524-6.el9_5.3 | < 0:20231122-6.el9_4.6 | < 0:20221207gitfff6d81270b5-9.el9_2.5
Debian1 product
- edk2< 2022.11-6+deb12u2 | < 2024.08-3
Tianocore1 product
- edk2≤ edk2-stable202405
Ubuntu1 product
- edk2All versions (No fix recorded) | < 2022.02-3ubuntu0.22.04.4 | < 2024.02-2ubuntu0.6
4 vendors · 10 products