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Xen 3.1.1 allows virtual guest system users to cause a denial of service (hypervisor crash) by using a debug register (DR7) to set certain breakpoints.
2 affected packages
xen-3.0, xen-3.1
Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
---|---|---|---|---|
xen-3.0 | — | — | — | — |
xen-3.1 | — | — | — | — |
Some fixes available 5 of 10
Integer signedness error in the NE2000 emulator in QEMU 0.8.2, as used in Xen and possibly other products, allows local users to trigger a heap-based buffer overflow via certain register values that bypass sanity checks, aka QEMU...
4 affected packages
kvm, qemu, qemu-kvm, xen-3.1
Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
---|---|---|---|---|
kvm | — | — | — | — |
qemu | — | — | — | — |
qemu-kvm | — | — | — | — |
xen-3.1 | — | — | — | — |
(1) xenbaked and (2) xenmon.py in Xen 3.1 and earlier allow local users to truncate arbitrary files via a symlink attack on /tmp/xenq-shm.
3 affected packages
xen, xen-3.0, xen-3.1
Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
---|---|---|---|---|
xen | — | — | — | — |
xen-3.0 | — | — | — | — |
xen-3.1 | — | — | — | — |
Some fixes available 2 of 3
pygrub (tools/pygrub/src/GrubConf.py) in Xen 3.0.3, when booting a guest domain, allows local users with elevated privileges in the guest domain to execute arbitrary commands in domain 0 via a crafted grub.conf file whose contents...
2 affected packages
xen-3.0, xen-3.1
Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
---|---|---|---|---|
xen-3.0 | — | — | — | — |
xen-3.1 | — | — | — | — |
Some fixes available 5 of 10
Multiple heap-based buffer overflows in the cirrus_invalidate_region function in the Cirrus VGA extension in QEMU 0.8.2, as used in Xen and possibly other products, might allow local users to execute arbitrary code via unspecified...
4 affected packages
kvm, qemu, qemu-kvm, xen-3.1
Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
---|---|---|---|---|
kvm | — | — | — | — |
qemu | — | — | — | — |
qemu-kvm | — | — | — | — |
xen-3.1 | — | — | — | — |
Some fixes available 2 of 3
The VNC server implementation in QEMU, as used by Xen and possibly other environments, allows local users of a guest operating system to read arbitrary files on the host operating system via unspecified vectors related to QEMU...
2 affected packages
xen-3.0, xen-3.1
Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
---|---|---|---|---|
xen-3.0 | — | — | — | — |
xen-3.1 | — | — | — | — |
Some fixes available 6 of 7
The Linux kernel before 2.6.16.9 and the FreeBSD kernel, when running on AMD64 and other 7th and 8th generation AuthenticAMD processors, only save/restore the FOP, FIP, and FDP x87 registers in FXSAVE/FXRSTOR when an exception is...
5 affected packages
kfreebsd-5, linux-source-2.6.15, linux-source-2.6.17, xen-3.0, xen-3.1
Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
---|---|---|---|---|
kfreebsd-5 | — | — | — | — |
linux-source-2.6.15 | — | — | — | — |
linux-source-2.6.17 | — | — | — | — |
xen-3.0 | — | — | — | — |
xen-3.1 | — | — | — | — |