SUSE-SU-2026:22460-1 Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 and 6.1 kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2025-10263: arm64: errata: Mitigate TLBI errata on various Arm CPUs bsc1266290. - CVE-2025-68822: Input: alps - fix use-after-free bugs caused by...

SUSE CVE-2026-52959

In the Linux kernel, the following vulnerability has been resolved: virt: sev-guest: Do not use host-controlled page order in cleanup path When issuing an extended guest request SVMVMGEXITEXTGUESTREQUEST, getextreport allocates a buffer to retrieve a certificate blob from the host, keeping track ...

The vulnerability in the drivers/crypto/ccp/sev-dev.c module of the Linux operating system allows a hacker to cause a service failure.

The vulnerability in the drivers/crypto/ccp/sev-dev.c module of the Linux operating system is related to the execution of operations beyond the buffer boundaries in memory. Exploiting this vulnerability can allow an attacker to cause a system failure...

The vulnerability in the drivers/crypto/ccp/sev-dev.c module of the Linux operating system allows a hacker to trigger a service failure.

The vulnerability in the drivers/crypto/ccp/sev-dev.c module of the Linux operating system is related to the execution of operations beyond the buffer boundaries in memory. Exploiting this vulnerability can allow an attacker to cause a service failure...

HPESBHF04959 rev.1 - Certain HPE SimpliVity AMD Servers Using Certain AMD EPYC Processors, AMD-SB-3020: SEV-SNP RMP Initialization Vulnerability, Local Unauthorized Access Vulnerability

Potential Security Impact: Local: Unauthorized Access SUPPORTED SOFTWARE VERSIONS: ONLY impacted versions are listed. HPE SimpliVity 325 Gen11 - Prior to SimpliVity Gen11 Support Pack SVTSP 20260417 HPE SimpliVity 325 Gen10 Plus - Prior to SimpliVity Gen10 Support Pack SVTSP 20260417 CVSS Scores:...

CVE-2026-52959

In the Linux kernel, the following vulnerability has been resolved: virt: sev-guest: Do not use host-controlled page order in cleanup path When issuing an extended guest request SVMVMGEXITEXTGUESTREQUEST, getextreport allocates a buffer to retrieve a certificate blob from the host, keeping track ...

CVE-2026-52959

In the Linux kernel, the following vulnerability has been resolved: virt: sev-guest: Do not use host-controlled page order in cleanup path When issuing an extended guest request SVMVMGEXITEXTGUESTREQUEST, getextreport allocates a buffer to retrieve a certificate blob from the host, keeping track ...

CVE-2026-52959

The CVE-2026-52959 issue affects the Linux kernel SEV guest module. During an extended guest request (SVM_VMGEXIT_EXT_GUEST_REQUEST), get_ext_report() allocates a buffer for a host certificate blob and stores its size in report_req->certs_len. The host may return SNP_GUEST_VMM_ERR_INVALID_LEN ...

CVE-2026-52959 virt: sev-guest: Do not use host-controlled page order in cleanup path

In the Linux kernel, the following vulnerability has been resolved: virt: sev-guest: Do not use host-controlled page order in cleanup path When issuing an extended guest request SVMVMGEXITEXTGUESTREQUEST, getextreport allocates a buffer to retrieve a certificate blob from the host, keeping track ...

CVE-2026-52959 virt: sev-guest: Do not use host-controlled page order in cleanup path

In the Linux kernel, the following vulnerability has been resolved: virt: sev-guest: Do not use host-controlled page order in cleanup path When issuing an extended guest request SVMVMGEXITEXTGUESTREQUEST, getextreport allocates a buffer to retrieve a certificate blob from the host, keeping track ...

PT-2026-51853

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the sev-guest component when issuing an extended guest request SVM VMGEXIT EXT GUEST REQUEST. The get ext report function allocates a buffer to retrieve a certificate...

Astra Linux – Vulnerability in amd64-microcode

Incomplete system memory cleanup in the SEV firmware could allow a privileged attacker to corrupt guest private memory, potentially resulting in a loss of data integrity...

SUSE CVE-2025-61971

Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to modify MMIO routing configurations, potentially resulting in loss of SEV-SNP guest integrity...

Linux Distros Unpatched Vulnerability : CVE-2025-61971

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to modify MMIO routing configurations, potentially resulting in los...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp – Use kzalloc for sev ioctl interfaces to prevent kernel memory leaks. For some sev ioctl interfaces, input data may be less than or equal to SEVFWBLOBMAXSIZE, but larger than the data returned by the PSP firmware. In...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel before version 6.9, a trusted-to-non-trusted hypervisor can inject Virtual Interrupt 29 VC at any point in time and can trigger its handler. This affects AMD SEV-SNP and AMD SEV-ES...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: virt/coco/sev-guest: Double-buffer messages The encryption algorithms read from and write to shared, unencrypted memory directly. This may lead to the leakage of information, as well as allowing the host to tamper with the...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

A vulnerability was discovered in the Linux kernel before version 6.5.9. This vulnerability could be exploited by local users who have access to MMIO registers through the user space. Incorrect access checks in the VC handler, along with improper emulation of MMIO accesses using the SEV-ES...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp – Fixed the issue of dereferencing an uninitialized error pointer. Fixed the warnings related to smatch. Location: drivers/crypto/ccp/sev-dev.c:1312 sevplatforminitlocked Error: We previously assumed that ‘error’ coul...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp – Always pass an error pointer to sevplatformshutdownlocked When 9770b428b1a2 “crypto: ccp – Move devinfo/err messages for SEV/SNP init and shutdown” moved the error messages so that they don’t need to be issued by...