xen - Debian Package Tracker

general

source: xen (main)
version: 4.20.2+7-g1badcf5035-2
maintainer: Debian Xen Team (archive) (DMD)
uploaders: Hans van Kranenburg [DMD] [DM] – Ian Jackson [DMD] – Maximilian Engelhardt [DMD]
arch: all amd64 arm64
std-ver: 4.7.2
VCS: Git (Browse, QA)

versions [more versions can be listed by madison] [old versions available from snapshot.debian.org]

[pool directory]

o-o-stable: 4.14.6-1
o-o-sec: 4.14.5+94-ge49571868d-1
oldstable: 4.17.5+23-ga4e5191dc0-1+deb12u1
old-sec: 4.17.5+72-g01140da4e8-1
stable: 4.20.0+68-g35cb38b222-1
stable-sec: 4.20.2+7-g1badcf5035-0+deb13u1
testing: 4.20.2+7-g1badcf5035-2
unstable: 4.20.2+7-g1badcf5035-2

versioned links

4.14.5+94-ge49571868d-1: [.dsc, use dget on this link to retrieve source package] [changelog] [copyright] [rules] [control]
4.14.6-1: [.dsc, use dget on this link to retrieve source package] [changelog] [copyright] [rules] [control]
4.17.5+23-ga4e5191dc0-1+deb12u1: [.dsc, use dget on this link to retrieve source package] [changelog] [copyright] [rules] [control]
4.17.5+72-g01140da4e8-1: [.dsc, use dget on this link to retrieve source package] [changelog] [copyright] [rules] [control]
4.20.0+68-g35cb38b222-1: [.dsc, use dget on this link to retrieve source package] [changelog] [copyright] [rules] [control]
4.20.2+7-g1badcf5035-0+deb13u1: [.dsc, use dget on this link to retrieve source package] [changelog] [copyright] [rules] [control]
4.20.2+7-g1badcf5035-2: [.dsc, use dget on this link to retrieve source package] [changelog] [copyright] [rules] [control]

binaries

libxen-dev
libxencall1
libxendevicemodel1
libxenevtchn1
libxenforeignmemory1
libxengnttab1
libxenhypfs1
libxenmisc4.20
libxenstore4
libxentoolcore1
libxentoollog1
xen-doc
xen-hypervisor-4.20-amd64
xen-hypervisor-4.20-amd64-dbg
xen-hypervisor-4.20-arm64
xen-hypervisor-4.20-arm64-dbg
xen-hypervisor-common (1 bugs: 0, 1, 0, 0)
xen-system-amd64 (1 bugs: 0, 1, 0, 0)
xen-system-arm64
xen-utils-4.20
xen-utils-4.20-dbg
xen-utils-common (2 bugs: 0, 2, 0, 0)
xenstore-utils

action needed

2 security issues in trixie high

There are 2 open security issues in trixie.

2 important issues:

CVE-2025-58150: Shadow mode tracing code uses a set of per-CPU variables to avoid cumbersome parameter passing. Some of these variables are written to with guest controlled data, of guest controllable size. That size can be larger than the variable, and bounding of the writes was missing.
CVE-2026-23553: In the context switch logic Xen attempts to skip an IBPB in the case of a vCPU returning to a CPU on which it was the previous vCPU to run. While safe for Xen's isolation between vCPUs, this prevents the guest kernel correctly isolating between tasks. Consider: 1) vCPU runs on CPU A, running task 1. 2) vCPU moves to CPU B, idle gets scheduled on A. Xen skips IBPB. 3) On CPU B, guest kernel switches from task 1 to 2, issuing IBPB. 4) vCPU moves back to CPU A. Xen skips IBPB again. Now, task 2 is running on CPU A with task 1's training still in the BTB.

Created: 2026-01-27 Last update: 2026-01-29 07:00

2 security issues in sid high

There are 2 open security issues in sid.

2 important issues:

CVE-2025-58150: Shadow mode tracing code uses a set of per-CPU variables to avoid cumbersome parameter passing. Some of these variables are written to with guest controlled data, of guest controllable size. That size can be larger than the variable, and bounding of the writes was missing.
CVE-2026-23553: In the context switch logic Xen attempts to skip an IBPB in the case of a vCPU returning to a CPU on which it was the previous vCPU to run. While safe for Xen's isolation between vCPUs, this prevents the guest kernel correctly isolating between tasks. Consider: 1) vCPU runs on CPU A, running task 1. 2) vCPU moves to CPU B, idle gets scheduled on A. Xen skips IBPB. 3) On CPU B, guest kernel switches from task 1 to 2, issuing IBPB. 4) vCPU moves back to CPU A. Xen skips IBPB again. Now, task 2 is running on CPU A with task 1's training still in the BTB.

Created: 2026-01-27 Last update: 2026-01-29 07:00

2 security issues in forky high

There are 2 open security issues in forky.

2 important issues:

CVE-2025-58150: Shadow mode tracing code uses a set of per-CPU variables to avoid cumbersome parameter passing. Some of these variables are written to with guest controlled data, of guest controllable size. That size can be larger than the variable, and bounding of the writes was missing.
CVE-2026-23553: In the context switch logic Xen attempts to skip an IBPB in the case of a vCPU returning to a CPU on which it was the previous vCPU to run. While safe for Xen's isolation between vCPUs, this prevents the guest kernel correctly isolating between tasks. Consider: 1) vCPU runs on CPU A, running task 1. 2) vCPU moves to CPU B, idle gets scheduled on A. Xen skips IBPB. 3) On CPU B, guest kernel switches from task 1 to 2, issuing IBPB. 4) vCPU moves back to CPU A. Xen skips IBPB again. Now, task 2 is running on CPU A with task 1's training still in the BTB.

Created: 2026-01-27 Last update: 2026-01-29 07:00

2 security issues in bookworm high

There are 2 open security issues in bookworm.

2 important issues:

CVE-2025-58150: Shadow mode tracing code uses a set of per-CPU variables to avoid cumbersome parameter passing. Some of these variables are written to with guest controlled data, of guest controllable size. That size can be larger than the variable, and bounding of the writes was missing.
CVE-2026-23553: In the context switch logic Xen attempts to skip an IBPB in the case of a vCPU returning to a CPU on which it was the previous vCPU to run. While safe for Xen's isolation between vCPUs, this prevents the guest kernel correctly isolating between tasks. Consider: 1) vCPU runs on CPU A, running task 1. 2) vCPU moves to CPU B, idle gets scheduled on A. Xen skips IBPB. 3) On CPU B, guest kernel switches from task 1 to 2, issuing IBPB. 4) vCPU moves back to CPU A. Xen skips IBPB again. Now, task 2 is running on CPU A with task 1's training still in the BTB.

Created: 2026-01-27 Last update: 2026-01-29 07:00

2 bugs tagged patch in the BTS normal

The BTS contains patches fixing 2 bugs, consider including or untagging them.

Created: 2025-01-06 Last update: 2026-01-30 03:01

1 open merge request in Salsa normal

There is 1 open merge request for this package on Salsa. You should consider reviewing and/or merging these merge requests.

Created: 2025-09-20 Last update: 2026-01-16 00:16

lintian reports 46 warnings normal

Lintian reports 46 warnings about this package. You should make the package lintian clean getting rid of them.

Created: 2025-05-06 Last update: 2025-05-06 09:01

debian/patches: 21 patches to forward upstream low

Among the 21 debian patches available in version 4.20.2+7-g1badcf5035-2 of the package, we noticed the following issues:

21 patches where the metadata indicates that the patch has not yet been forwarded upstream. You should either forward the patch upstream or update the metadata to document its real status.

Created: 2023-02-26 Last update: 2025-12-08 22:33

Standards version of the package is outdated. wishlist

The package should be updated to follow the last version of Debian Policy (Standards-Version 4.7.3 instead of 4.7.2).

Created: 2025-12-23 Last update: 2025-12-23 20:00

testing migrations

This package will soon be part of the s390-31-bit-rm transition. You might want to ensure that your package is ready for it. You can probably find supplementary information in the debian-release archives or in the corresponding release.debian.org bug.

news

[rss feed]

[2025-12-20] Accepted xen 4.20.2+7-g1badcf5035-0+deb13u1 (source) into proposed-updates (Debian FTP Masters) (signed by: Moritz Mühlenhoff)
[2025-12-13] xen 4.20.2+7-g1badcf5035-2 MIGRATED to testing (Debian testing watch)
[2025-12-08] Accepted xen 4.20.2+7-g1badcf5035-2 (source) into unstable (Maximilian Engelhardt) (signed by: Hans van Kranenburg)
[2025-12-05] Accepted xen 4.17.5+72-g01140da4e8-1 (source) into oldstable-proposed-updates (Debian FTP Masters) (signed by: Moritz Mühlenhoff)
[2025-12-02] Accepted xen 4.20.2+7-g1badcf5035-0+deb13u1 (source) into stable-security (Debian FTP Masters) (signed by: Moritz Mühlenhoff)
[2025-12-02] Accepted xen 4.17.5+72-g01140da4e8-1 (source) into oldstable-security (Debian FTP Masters) (signed by: Moritz Mühlenhoff)
[2025-11-29] Accepted xen 4.20.2+7-g1badcf5035-1 (source) into unstable (Maximilian Engelhardt) (signed by: Hans van Kranenburg)
[2025-05-16] xen 4.20.0+68-g35cb38b222-1 MIGRATED to testing (Debian testing watch)
[2025-05-05] Accepted xen 4.20.0+68-g35cb38b222-1 (source) into unstable (Hans van Kranenburg)
[2025-03-12] xen 4.20.0-1 MIGRATED to testing (Debian testing watch)
[2025-03-07] Accepted xen 4.17.5+23-ga4e5191dc0-1+deb12u1 (source) into proposed-updates (Debian FTP Masters) (signed by: Hans van Kranenburg)
[2025-03-06] Accepted xen 4.20.0-1 (source) into unstable (Maximilian Engelhardt) (signed by: Hans van Kranenburg)
[2025-02-14] Accepted xen 4.20.0~rc2+1-gfcde5e0de8-1~exp1 (all amd64 source) into experimental (Debian FTP Masters) (signed by: Sean Whitton)
[2025-01-27] Accepted xen 4.17.5+23-ga4e5191dc0-1 (source) into proposed-updates (Debian FTP Masters) (signed by: Moritz Mühlenhoff)
[2025-01-27] xen 4.19.1-1 MIGRATED to testing (Debian testing watch)
[2024-12-26] Accepted xen 4.17.5+23-ga4e5191dc0-1 (source) into stable-security (Debian FTP Masters) (signed by: Moritz Mühlenhoff)
[2024-12-23] Accepted xen 4.19.1-1 (source) into unstable (Hans van Kranenburg)
[2024-12-21] Accepted xen 4.19.1-1~exp4 (amd64 source) into experimental (Debian FTP Masters) (signed by: Sean Whitton)
[2024-12-15] Accepted xen 4.19.1-1~exp1 (source) into experimental (Maximilian Engelhardt) (signed by: Hans van Kranenburg)
[2024-12-11] Accepted xen 4.19.0+14-g0918434e0f-1~exp1 (amd64 source) into experimental (Debian FTP Masters) (signed by: Sean Whitton)
[2024-04-26] xen 4.17.3+36-g54dacb5c02-1 MIGRATED to testing (Debian testing watch)
[2024-03-11] Accepted xen 4.17.3+36-g54dacb5c02-1 (source) into unstable (Hans van Kranenburg)
[2024-02-29] Accepted xen 4.17.3+10-g091466ba55-1.1 (source) into unstable (Steve Langasek)
[2024-02-24] Accepted xen 4.17.3+10-g091466ba55-1.1~exp2 (source) into experimental (Steve Langasek)
[2024-02-10] xen 4.17.3+10-g091466ba55-1 MIGRATED to testing (Debian testing watch)
[2024-02-05] Accepted xen 4.17.3+10-g091466ba55-1.1~exp1 (source) into experimental (Steve Langasek)
[2024-02-04] Accepted xen 4.17.3+10-g091466ba55-1~deb12u1 (source) into proposed-updates (Debian FTP Masters) (signed by: Hans van Kranenburg)
[2024-02-04] Accepted xen 4.17.3+10-g091466ba55-1 (source) into unstable (Hans van Kranenburg)
[2023-12-05] xen 4.17.2+76-ge1f9cb16e2-1 MIGRATED to testing (Debian testing watch)
[2023-12-03] Accepted xen 4.17.2+76-ge1f9cb16e2-1~deb12u1 (source) into proposed-updates (Debian FTP Masters) (signed by: Hans van Kranenburg)

bugs [bug history graph]

all: 34
RC: 2
I&N: 20
M&W: 12
F&P: 0
patch: 2

links

homepage
lintian (0, 46)
buildd: logs, reproducibility, cross
popcon
browse source code
edit tags
other distros
security tracker
debian patches

ubuntu

[Information about Ubuntu for Debian Developers]

version: 4.20.2+7-g1badcf5035-2
58 bugs (6 patches)