CVE-2024-28956: xen
Vulnerability summary
CVE-2024-28956 is a medium (CVSS 5.7) vulnerability in xen. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 36.9% of scored vulnerabilities.
Not severe (CVSS 5.7, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 54 · Related 32Timeline
- 13-05-2025PublishedVulnerability first disclosed.
- 15-10-2026Last modifiedVulnerability information updated.
Description
Exposure of Sensitive Information in Shared Microarchitectural Structures during Transient Execution for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
CVSS metrics
7 scores · 5 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated5.7MediumCVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- OSV · UbuntuEcosystem advisory · calculated5.7MediumCVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- OSV · DebianEcosystem advisory · calculated5.7MediumCVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVDNIST5.7MediumCVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVDNIST5.6MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
EPSS trend
Probability
0.43%
Chance of exploitation in the next 30 days
Percentile
37%
Versus all other CVEs
30-day change
Increase +0.01 pp
From 0.41% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu146 products
- intel-microcodeAll versions (No fix recorded) | < 3.20250512.0ubuntu0.16.04.1+esm1 | < 3.20250512.0ubuntu0.18.04.1+esm1 | < 3.20250512.0ubuntu0.20.04.1 | < 3.20250512.0ubuntu0.22.04.1 | < 3.20250512.0ubuntu0.24.04.1 | < 3.20250512.1ubuntu1
- linuxAll versions (No fix recorded) | < 5.15.0-144.157 | < 6.8.0-100.100
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.15.0-1088.95 | < 6.8.0-1046.49
- linux-aws-5.0All versions (No fix recorded)
Suse4 products
- xen&distro=SUSE Linux Enterprise Module for Basesystem 15 SP6< 4.18.5_02-150600.3.23.1
- xen&distro=SUSE Linux Enterprise Module for Basesystem 15 SP7< 4.20.0_12-150700.3.3.1
- xen&distro=SUSE Linux Enterprise Module for Server Applications 15 SP6< 4.18.5_02-150600.3.23.1
- xen&distro=SUSE Linux Enterprise Module for Server Applications 15 SP7< 4.20.0_12-150700.3.3.1
Debian3 products
- intel-microcode< 3.20250512.1~deb12u1 | < 3.20250512.1
- linux< 6.1.140-1 | < 6.12.29-1
- xen< 4.17.5+72-g01140da4e8-1 | < 4.20.2+7-g1badcf5035-0+deb13u1 | < 4.20.2+7-g1badcf5035-1
Opensuse3 products
- kernel-source&distro=openSUSE Tumbleweed< 6.14.6-1.1
- xen&distro=openSUSE Leap 15.6< 4.18.5_02-150600.3.23.1
- xen&distro=openSUSE Tumbleweed< 4.20.0_12-1.1
Alpine2 products
- intel-ucode< 20250512-r0
- xen< 4.17.5-r4 | < 4.18.5-r0 | < 4.19.2-r1 | < 4.20.0-r1
5 vendors · 158 products
References
27 linksShow all 27 references
- www.intel.com/content/…REPORT
- git.kernel.org/pub/…REPORT
- lists.opensuse.org/archives/…Advisory
- lists.opensuse.org/archives/…Advisory