Denial Of Service (DoS)

xen:edge is vulnerable to denial of service. The majority of such pages remain allocated / associated with a guest for its entire lifetime. Grant table v2 status pages, however, are de-allocated when a guest switches back from v2 to v1. Freeing such pages requires that the hypervisor enforce that...

CVE-2021-28701

Another race in XENMAPSPACEgranttable handling Guests are permitted access to certain Xen-owned pages of memory. The majority of such pages remain allocated / associated with a guest for its entire lifetime. Grant table v2 status pages, however, are de-allocated when a guest switches back from v2...

Race condition

Another race in XENMAPSPACEgranttable handling Guests are permitted access to certain Xen-owned pages of memory. The majority of such pages remain allocated / associated with a guest for its entire lifetime. Grant table v2 status pages, however, are de-allocated when a guest switches back from v2...

CVE-2021-28701

Another race in XENMAPSPACEgranttable handling Guests are permitted access to certain Xen-owned pages of memory. The majority of such pages remain allocated / associated with a guest for its entire lifetime. Grant table v2 status pages, however, are de-allocated when a guest switches back from v2...

CVE-2021-28701

Another race in XENMAPSPACEgranttable handling Guests are permitted access to certain Xen-owned pages of memory. The majority of such pages remain allocated / associated with a guest for its entire lifetime. Grant table v2 status pages, however, are de-allocated when a guest switches back from v2...

CVE-2021-28701

Another race in XENMAPSPACEgranttable handling Guests are permitted access to certain Xen-owned pages of memory. The majority of such pages remain allocated / associated with a guest for its entire lifetime. Grant table v2 status pages, however, are de-allocated when a guest switches back from v2...

SUSE SLES12 Security Update : kernel (Live Patch 40 for SLE 12 SP3) (SUSE-SU-2021:2846-1)

The remote SUSE Linux SLES12 / SLESSAP12 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2846-1 advisory. This update for the Linux Kernel 4.4.180-94147 fixes several issues. The following security issues were fixed: - CVE-2021-37576: On...

SUSE-SU-2021:2846-1 Security update for the Linux Kernel (Live Patch 40 for SLE 12 SP3)

This update for the Linux Kernel 4.4.180-94147 fixes several issues. The following security issues were fixed: - CVE-2021-37576: On the powerpc platform KVM guest OS users could cause host OS memory corruption via rtasargs.nargs bsc1188838. - CVE-2021-28688: The fix for XSA-365 includes...

SUSE SLES15 Security Update : kernel (Live Patch 15 for SLE 15 SP2) (SUSE-SU-2021:2577-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2577-1 advisory. This update for the Linux Kernel 5.3.18-24534 fixes several issues. The following security issues were fixed: - CVE-2021-33909: Fixed an...

SUSE SLES12 Security Update : kernel (Live Patch 39 for SLE 12 SP3) (SUSE-SU-2021:2026-1)

The remote SUSE Linux SLES12 / SLESSAP12 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2026-1 advisory. This update for the Linux Kernel 4.4.180-94144 fixes several issues. The following issues were fixed: - CVE-2021-33034: Fixed a...

SUSE: Security Advisory (SUSE-SU-2020:3412-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

SUSE: Security Advisory (SUSE-SU-2020:3615-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

SUSE: Security Advisory (SUSE-SU-2020:3413-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-4982-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4982-1 advisory. Kiyin discovered that the NFC LLCP protocol implementation in the Linux kernel contained a reference counting error. A local attacker could u...

SUSE SLES15 Security Update : kernel (SUSE-SU-2021:1573-1)

The SUSE Linux Enterprise 15 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : CVE-2020-36312: Fixed an issue in virt/kvm/kvmmain.c that had a kvmiobusunregisterdev memory leak upon a kmalloc failure bnc1184509. CVE-2021-29650: Fixed an issue...

Oracle Linux 7 : Unbreakable Enterprise kernel-container (ELSA-2021-9223)

The remote Oracle Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2021-9223 advisory. - bpf, x86: Validate computation of branch displacements for x86-64 Piotr Krysiuk Orabug: 32759961 CVE-2021-29154 - ext4: handle error of...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel-container (ELSA-2021-9221)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9221 advisory. - Revert 'x86/vmlinux: Use INT3 instead of NOP for linker fill bytes' John Donnelly Orabug: 32576398 CVE-2021-3411 - netfilter: xtables: Use correc...

SUSE SLES12 Security Update : kernel (SUSE-SU-2021:1373-1)

This update for the Linux Kernel 4.4.180-94135 fixes one issue. The following security issues were fixed : CVE-2021-28688: Fixed an issue introduced by XSA-365 bsc1182294, bsc1183646. CVE-2021-26930: Fixed an improper error handling in blkback's grant mapping XSA-365 bsc1182294. CVE-2021-26931:...

Xen IRQ Vector Leak DoS (XSA-360)

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by a denial of service DoS vulnerability. An x86 HVM guest with PCI pass through devices can force the allocation of all IDT vectors on the system by rebooting itself with MSI or MSI-X...

Xen Inverted Conditional DoS (XSA-319)

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by an issue allowing x86 HVM guest OS users to cause a hypervisor crash. An inverted conditional in x86 HVM guests' dirty video RAM tracking code allows such guests to make Xen de-reference ...