ALPINE-CVE-2026-79603

x86 PV guests can free memory pages while still keeping a stale TLB entry pointing to them. A TLB flush is only issued by Xen if needed when the page is re-used. Since it's possible for the page to be scrubbed ahead of the TLB flush, there's a window where a PV guest can modify an already scrubbe...

CVE-2026-79603 Unconditionally do TLB flushing ahead of page scrubbing

x86 PV guests can free memory pages while still keeping a stale TLB entry pointing to them. A TLB flush is only issued by Xen if needed when the page is re-used. Since it's possible for the page to be scrubbed ahead of the TLB flush, there's a window where a PV guest can modify an already scrubbe...

CVE-2026-79603

x86 PV guests can free memory pages while still keeping a stale TLB entry pointing to them. A TLB flush is only issued by Xen if needed when the page is re-used. Since it's possible for the page to be scrubbed ahead of the TLB flush, there's a window where a PV guest can modify an already scrubbe...

CVE-2026-79603: Improper Control of a Resource Through its Lifetime

x86 PV guests can free memory pages while still keeping a stale TLB entry pointing to them. A TLB flush is only issued by Xen if needed when the page is re-used. Since it's possible for the page to be scrubbed ahead of the TLB flush, there's a window where a PV guest can modify an already scrubbe...

EUVD-2019-7758

Malware in sbrugna...

EUVD-2020-18278

Malware in sbrugna...

EUVD-2017-7040

Malware in sbrugna...

EUVD-2020-18281

Malware in sbrugna...

EUVD-2019-7754

Malware in sbrugna...

EUVD-2019-8189

Malware in sbrugna...

EUVD-2017-7045

Malware in sbrugna...

EUVD-2019-8190

Malware in sbrugna...

EUVD-2022-36784

Malicious code in bioql PyPI...

SUSE CVE-2019-18420

An issue was discovered in Xen through 4.12.x allowing x86 PV guest OS users to cause a denial of service via a VCPUOPinitialise hypercall. hypercallcreatecontinuation is a variadic function which uses a printf-like format string to interpret its parameters. Error handling for a bad format...

Denial Of Service (DoS)

xen is vulnerable to denial of service. The vulnerability exists due to an insufficient TLB flush for x86 PV guests in shadow mode which allows an attacker to crash the application by providing a malicious input...

SUSE SLES12 Security Update : xen (SUSE-SU-2022:2574-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:2574-1 advisory. - Incomplete cleanup of multi-core shared buffers for some IntelR Processors may allow an authenticated user to potentially enable information...

SUSE SLES15 Security Update : xen (SUSE-SU-2022:2601-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:2601-1 advisory. - Incomplete cleanup of multi-core shared buffers for some IntelR Processors may allow an authenticated user to potentially enable...

CVE-2022-33745

insufficient TLB flush for x86 PV guests in shadow mode For migration as well as to work around kernels unaware of L1TF see XSA-273, PV guests may be run in shadow paging mode. To address XSA-401, code was moved inside a function in Xen. This code movement missed a variable changing meaning / val...

CVE-2022-33745

insufficient TLB flush for x86 PV guests in shadow mode For migration as well as to work around kernels unaware of L1TF see XSA-273, PV guests may be run in shadow paging mode. To address XSA-401, code was moved inside a function in Xen. This code movement missed a variable changing meaning / val...

CVE-2022-33745

insufficient TLB flush for x86 PV guests in shadow mode For migration as well as to work around kernels unaware of L1TF see XSA-273, PV guests may be run in shadow paging mode. To address XSA-401, code was moved inside a function in Xen. This code movement missed a variable changing meaning / val...