Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from a null pointer dereferencing in the paprhvpipedevcreatehandle function within pseries papr-hvpipe...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Fixed a potential memory leak in paprgetattr. The buffer is allocated in paprgetattr, and the krealloc call for buf could fail. In the event of a failure, we need to free the original buf...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries/iommu: IOMMU table is not initialized for kdump over SR-IOV When kdump kernel tries to copy dump data over SR-IOV, LPAR panics due to NULL pointer exception: Kernel attempted to read user page 0 - exploit attempt?...

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

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: fixed a possible memory leak in ibmebusbusinit. If deviceregister returns an error in ibmebusbusinit, the name of the kobject allocated by devsetname, which is called in deviceadd, is leaked. According to the...

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

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries/memhp: Fixed access beyond the end of the drmem array The dlparmemoryremovebyindex function may access beyond the bounds of the drmem lmb array when the LMB lookup fails to match an entry with the given DRC index...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013223)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013223 advisory. In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: fix possible memory leak in ibmebusbusinit If deviceregister returns error in...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007549)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007549 advisory. In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Whitelist dtl slub object for copying to userspace Reading the dispatch trace lo...

Azure Linux 3.0 Security Update: kernel (CVE-2024-42230)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-42230 advisory. - In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Fix scv instruction cra...

Azure Linux 3.0 Security Update: kernel (CVE-2024-36926)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-36926 advisory. - In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries/iommu: LPAR panics durin...

Azure Linux 3.0 Security Update: kernel (CVE-2024-56765)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-56765 advisory. - In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries/vas: Add close callback ...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-001356)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001356 advisory. A flaw was found in the way RTAS handled memory accesses in userspace to kernel communication. On a locked down usually due to Secure Boot guest system running on to...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003984)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003984 advisory. A flaw was found in the way RTAS handled memory accesses in userspace to kernel communication. On a locked down usually due to Secure Boot guest system running on to...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000460)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000460 advisory. An issue was discovered in dlparparseccproperty in arch/powerpc/platforms/pseries/dlpar.c in the Linux kernel through 5.1.6. There is an unchecked kstrdup of...

EUVD-2023-60374

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Rework lppacasharedproc to avoid DEBUGPREEMPT lppacasharedproc takes a pointer to the lppaca which is typically accessed through getlppaca. With DEBUGPREEMPT enabled, this leads to checking if preemption is...

UBUNTU-CVE-2023-54267

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Rework lppacasharedproc to avoid DEBUGPREEMPT lppacasharedproc takes a pointer to the lppaca which is typically accessed through getlppaca. With DEBUGPREEMPT enabled, this leads to checking if preemption is...

CVE-2023-54267

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Rework lppacasharedproc to avoid DEBUGPREEMPT lppacasharedproc takes a pointer to the lppaca which is typically accessed through getlppaca. With DEBUGPREEMPT enabled, this leads to checking if preemption is...

CVE-2023-54267

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Rework lppacasharedproc to avoid DEBUGPREEMPT lppacasharedproc takes a pointer to the lppaca which is typically accessed through getlppaca. With DEBUGPREEMPT enabled, this leads to checking if preemption is...

CVE-2023-54267 powerpc/pseries: Rework lppaca_shared_proc() to avoid DEBUG_PREEMPT

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Rework lppacasharedproc to avoid DEBUGPREEMPT lppacasharedproc takes a pointer to the lppaca which is typically accessed through getlppaca. With DEBUGPREEMPT enabled, this leads to checking if preemption is...

CVE-2023-54267

Technical details for CVE-2023-54267 are not publicly available in the provided documents. The initial entry mentions a Linux kernel fix in powerpc/pseries and lppaca_shared_proc() but does not specify affected products/versions or remediation specifics beyond generic description; monitor for upd...

CVE-2023-54267 powerpc/pseries: Rework lppaca_shared_proc() to avoid DEBUG_PREEMPT

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Rework lppacasharedproc to avoid DEBUGPREEMPT lppacasharedproc takes a pointer to the lppaca which is typically accessed through getlppaca. With DEBUGPREEMPT enabled, this leads to checking if preemption is...