CVE catalog
CVE-2020-29481
xen: CVE-2020-29481
- Severity
- Medium · CVSS 6.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.35% · Oct 25, 2026
An issue was discovered in Xen through 4.14.x. Access rights of Xenstore nodes are per domid. Unfortunately, existing granted access rights are not removed when a domain is being destroyed. This means that a new domain created with the same domid will inherit the access rights to Xenstore nodes from the previous domain(s) with the same domid. Because all Xenstore entries of a guest below /local/domain/<domid> are being deleted by Xen tools when a guest is destroyed, only Xenstore entries of other guests still running are affected. For example, a newly created guest domain might be able to read sensitive information that had belonged to a previously existing guest domain. Both Xenstore implementations (C and Ocaml) are vulnerable.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | xen | sid | 4.20.4+39-gf1e1321c87-1 | fixed |
| Debian | xen | forky | 4.20.4+39-gf1e1321c87-1 | fixed |
| Debian | xen | trixie | 4.20.3+127-gc42374a105-0+deb13u1 | fixed |
| Debian | xen | trixie-security | 4.20.4+39-gf1e1321c87-0+deb13u1 | fixed |
| Debian | xen | bookworm | 4.17.5+72-g01140da4e8-1 | fixed |
| Debian | xen | bookworm-security | 4.17.7-0+deb12u1 | fixed |
| Alpine | xen | 3.11 | 4.13.2-r3 | fixed |
| Alpine | xen | 3.12 | 4.13.2-r3 | fixed |
| Alpine | xen | 3.13 | 4.14.1-r0 | fixed |
| Alpine | xen | 3.14 | 4.14.1-r0 | fixed |
| Alpine | xen | 3.15 | 4.14.1-r0 | fixed |
| Alpine | xen | 3.16 | 4.14.1-r0 | fixed |
| Alpine | xen | 3.17 | 4.14.1-r0 | fixed |
| Alpine | xen | 3.18 | 4.14.1-r0 | fixed |
| Alpine | xen | 3.19 | 4.14.1-r0 | fixed |
| Alpine | xen | 3.20 | 4.14.1-r0 | fixed |
| Alpine | xen | 3.21 | 4.14.1-r0 | fixed |
| Alpine | xen | 3.22 | 4.14.1-r0 | fixed |
| Alpine | xen | 3.23 | 4.14.1-r0 | fixed |
| Alpine | xen | 3.24 | 4.14.1-r0 | fixed |
| Ubuntu | xen | 16.04 | 4.5.1-0ubuntu1 | vulnerable |
| Ubuntu | xen | 16.04 | 4.5.1-0ubuntu2 | vulnerable |
| Ubuntu | xen | 16.04 | 4.6.0-1ubuntu1 | vulnerable |
| Ubuntu | xen | 16.04 | 4.6.0-1ubuntu2 | vulnerable |
| Ubuntu | xen | 16.04 | 4.6.0-1ubuntu4 | vulnerable |
| Ubuntu | xen | 16.04 | 4.6.0-1ubuntu4.1 | vulnerable |
| Ubuntu | xen | 16.04 | 4.6.0-1ubuntu4.2 | vulnerable |
| Ubuntu | xen | 16.04 | 4.6.0-1ubuntu4.3 | vulnerable |
| Ubuntu | xen | 16.04 | 4.6.5-0ubuntu1 | vulnerable |
| Ubuntu | xen | 16.04 | 4.6.5-0ubuntu1.1 | vulnerable |
| Ubuntu | xen | 16.04 | 4.6.5-0ubuntu1.2 | vulnerable |
| Ubuntu | xen | 16.04 | 4.6.5-0ubuntu1.4 | vulnerable |
| Ubuntu | xen | 18.04 | 4.9.0-0ubuntu3 | vulnerable |
| Ubuntu | xen | 18.04 | 4.9.0-0ubuntu4 | vulnerable |
| Ubuntu | xen | 18.04 | 4.9.2-0ubuntu1 | vulnerable |
| Ubuntu | xen | 20.04 | 4.9.2-0ubuntu2 | vulnerable |
| Ubuntu | xen | 20.04 | 4.9.2-0ubuntu6 | vulnerable |
| Ubuntu | xen | 20.04 | 4.9.2-0ubuntu7 | vulnerable |
| Ubuntu | xen | 20.04 | 4.11.3+24-g14b62ab3e5-1ubuntu1 | vulnerable |
| Ubuntu | xen | 20.04 | 4.11.3+24-g14b62ab3e5-1ubuntu2 | vulnerable |
| Ubuntu | xen | 20.04 | 4.11.3+24-g14b62ab3e5-1ubuntu2.2 | vulnerable |
| Ubuntu | xen | 20.04 | 4.11.3+24-g14b62ab3e5-1ubuntu2.3 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | xen | source | sid | 4.14.0+88-g1d1d1f5391-1 | not yet assigned | Not reported | Not reported |
| Debian | xen | source | forky | 4.14.0+88-g1d1d1f5391-1 | not yet assigned | Not reported | Not reported |
| Debian | xen | source | trixie | 4.14.0+88-g1d1d1f5391-1 | not yet assigned | Not reported | Not reported |
| Debian | xen | source | bookworm | 4.14.0+88-g1d1d1f5391-1 | not yet assigned | Not reported | Not reported |
| Alpine | xen | apk | 3.11 | 4.13.2-r3 | Not reported | ALPINE-CVE-2020-29481 | Not reported |
| Alpine | xen | apk | 3.12 | 4.13.2-r3 | Not reported | ALPINE-CVE-2020-29481 | Not reported |
| Alpine | xen | apk | 3.13 | 4.14.1-r0 | Not reported | ALPINE-CVE-2020-29481 | Not reported |
| Alpine | xen | apk | 3.14 | 4.14.1-r0 | Not reported | ALPINE-CVE-2020-29481 | Not reported |
| Alpine | xen | apk | 3.15 | 4.14.1-r0 | Not reported | ALPINE-CVE-2020-29481 | Not reported |
| Alpine | xen | apk | 3.16 | 4.14.1-r0 | Not reported | ALPINE-CVE-2020-29481 | Not reported |
| Alpine | xen | apk | 3.17 | 4.14.1-r0 | Not reported | ALPINE-CVE-2020-29481 | Not reported |
| Alpine | xen | apk | 3.18 | 4.14.1-r0 | Not reported | ALPINE-CVE-2020-29481 | Not reported |
| Alpine | xen | apk | 3.19 | 4.14.1-r0 | Not reported | ALPINE-CVE-2020-29481 | Not reported |
| Alpine | xen | apk | 3.20 | 4.14.1-r0 | Not reported | ALPINE-CVE-2020-29481 | Not reported |
| Alpine | xen | apk | 3.21 | 4.14.1-r0 | Not reported | ALPINE-CVE-2020-29481 | Not reported |
| Alpine | xen | apk | 3.22 | 4.14.1-r0 | Not reported | ALPINE-CVE-2020-29481 | Not reported |
| Alpine | xen | apk | 3.23 | 4.14.1-r0 | Not reported | ALPINE-CVE-2020-29481 | Not reported |
| Alpine | xen | apk | 3.24 | 4.14.1-r0 | Not reported | ALPINE-CVE-2020-29481 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [libxencall1]Unknown
Source package: [xen]
Details (4)
4.17.5+72-g01140da4e8-1· amd64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· arm64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· amd64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· arm64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
- [libxen-dev]Unknown
Source package: [xen]
Details (4)
4.17.5+72-g01140da4e8-1· amd64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· arm64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· amd64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· arm64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
- [libxendevicemodel1]Unknown
Source package: [xen]
Details (4)
4.17.5+72-g01140da4e8-1· amd64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· arm64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· amd64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· arm64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
- [libxenevtchn1]Unknown
Source package: [xen]
Details (4)
4.17.5+72-g01140da4e8-1· amd64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· arm64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· amd64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· arm64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
- [libxenforeignmemory1]Unknown
Source package: [xen]
Details (4)
4.17.5+72-g01140da4e8-1· amd64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· arm64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· amd64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· arm64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
- [libxengnttab1]Unknown
Source package: [xen]
Details (4)
4.17.5+72-g01140da4e8-1· amd64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· arm64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· amd64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· arm64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
- [libxenhypfs1]Unknown
Source package: [xen]
Details (4)
4.17.5+72-g01140da4e8-1· amd64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· arm64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· amd64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· arm64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
- [libxenmisc4.17]Unknown
Source package: [xen]
Details (4)
4.17.5+72-g01140da4e8-1· amd64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· arm64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· amd64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· arm64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
- [libxenstore4]Unknown
Source package: [xen]
Details (4)
4.17.5+72-g01140da4e8-1· amd64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· arm64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· amd64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· arm64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
- [libxentoolcore1]Unknown
Source package: [xen]
Details (4)
4.17.5+72-g01140da4e8-1· amd64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· arm64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· amd64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· arm64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
- [libxentoollog1]Unknown
Source package: [xen]
Details (4)
4.17.5+72-g01140da4e8-1· amd64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· arm64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· amd64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· arm64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
- [xen-doc]Unknown
Source package: [xen]
Details (4)
4.17.5+72-g01140da4e8-1· amd64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· arm64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· amd64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· arm64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
- [xen-hypervisor-4.17-amd64]Unknown
Source package: [xen]
Details (2)
4.17.5+72-g01140da4e8-1· amd64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· amd64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
- [xen-hypervisor-4.17-amd64-dbg]Unknown
Source package: [xen]
Details (2)
4.17.5+72-g01140da4e8-1· amd64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· amd64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
- [xen-hypervisor-4.17-arm64]Unknown
Source package: [xen]
Details (2)
4.17.5+72-g01140da4e8-1· arm64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· arm64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
- [xen-hypervisor-4.17-arm64-dbg]Unknown
Source package: [xen]
Details (2)
4.17.5+72-g01140da4e8-1· arm64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· arm64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
- [xen-hypervisor-common]Unknown
Source package: [xen]
Details (4)
4.17.5+72-g01140da4e8-1· amd64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· arm64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· amd64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· arm64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
- [xenstore-utils]Unknown
Source package: [xen]
Details (4)
4.17.5+72-g01140da4e8-1· amd64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· arm64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· amd64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· arm64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
- [xen-system-amd64]Unknown
Source package: [xen]
Details (2)
4.17.5+72-g01140da4e8-1· amd64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· amd64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
- [xen-system-arm64]Unknown
Source package: [xen]
Details (2)
4.17.5+72-g01140da4e8-1· arm64 · bookwormFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
4.17.5+72-g01140da4e8-1· arm64 · bookworm-securityFixed · Fixed:
4.14.0+88-g1d1d1f5391-1dsa · xen · debian · bookworm; dsa · xen · debian · 12
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2020_14578-1.json]
- [https://osv.dev/vulnerability/ALPINE-CVE-2020-29481]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2020-29481]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2020-29481]
- [https://security-tracker.debian.org/tracker/CVE-2020-29481]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]