EUVD-2026-38977

In the Linux kernel, the following vulnerability has been resolved: powerpc/pgtable-frag: Fix bad page state in ptefragdestroy powerpc uses ptfragrefcount as a reference counter for tracking it's pte and pmd page table fragments. For PTE table, in case of Hash with 64K pagesize, we have 16...

EUVD-2026-38976

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fix unmap race with PMD migration entries The following race is possible with migration swap entries or device-private THP entries. e.g. when movepages is called on a PMD THP page, then there maybe an intermediate...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/xics: fixed the refcount leak in icpopalinit The offindcompatiblenode function returns a node pointer with the refcount incremented. Use ofnodeput on it when the function is completed...

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

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fixed the use of VAS memory after freeing it. The reference count on the memory module is lowered before the coprocessor is detached...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: powerpc/paprscm: Do not request stats with a stats buffer of size “0”. Sachin reported 1 that on a POWER-10 lpar, he is encountering a kernel panic when the paprscm probe is called. The panic occurs as follows and is only observe...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Do not use DSISR for SLB faults. Since commit 46ddcb3950a2 “powerpc/mm: Show if a bad page fault on data is read or write”, we use pagefaultiswriteregs-dsisr in badpagefault to determine whether the fault is for a re...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/powernv/sriov: Perform a null check on iov before dereferencing iov. Currently, the pointer iov is dereferenced before the null check of iov, which can lead to a null pointer dereference error. This issue is fixed by movi...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/secvar: A refcount leak has been fixed in formatshow. A refcount leak occurs when formatshow returns an error in multiple cases. Unified management of ofnodeput can fix this issue...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries/iommu: Do not unset the “window” parameter if it was never set. On pSeries, when a user attempts to use the same vfio container used by different iommu groups, the spaprtcesetwindow function returns -EPERM. 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: Enforce hcall result buffer validity and size. Functions like plparhcall, plparhcall9, and related functions expect callers to provide valid result buffers of a certain minimum size. Currently, this is only...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/setmemory: Avoid spinlock recursion in changepageattr The commit 1f9ad21c3b38 “powerpc/mm: Implement setmemory routines” included a spinlock call in changepageattr in order to safely perform the three-step operations...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: powerpc/perf: Fixed powerpmudisable to call clearpmiirqpending only if PMI is pending Running a selftest with CONFIGPPCIRQSOFTMASKDEBUG enabled in the kernel triggered the following warning: 172.851380 ------------ Cut here...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: powerpc/52xx: Fixed a resource leak in the error handling path. The error handling path of mpc52xxlpbfifoprobe contains a requestirq call, which is not accompanied by a corresponding freeirq call. We have added the missing call,...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: powerpc/rtas: Avoid scheduling in rtasosterm. It is unsafe to use rtasbusydelay to handle a busy status from the IBM,os-term RTAS function in rtasosterm: Kernel Panic – Not Syncing: Attempted to kill init! Exitcode = 0x0000000b...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: powerpc/smp: Do not decrement the preempt count of the idle task when the CPU is offline. With PREEMPTCOUNT=y, when a CPU is offline and then brought back online, we encounter the following issue: BUG: Scheduling while atomic:...

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/eeh: avoided possible crashes when edev-pdev changes. If a PCI device is removed during eehpereportedev, edev-pdev will change, which may cause a crash. It is recommended to hold the PCI rescan/remove lock while taking a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/fixmap: Fixed the VM debug warning when unmapping a fixmap entry. The unmapping of a fixmap entry is performed by calling setfixmap, with FIXMAPPAGECLEAR as the flag. Currently, powerpc setfixmap calls mapkernelpage...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: host: ohci-ppc-of: Fix refcount leak bug In ohcihcdppcofprobe, offindcompatiblenode will return a node pointer with the refcount incremented. We should use ofnodeput when it is no longer needed...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/64: The jump labels are called before parseearlyparam is executed. On 64-bit systems, calling jumplabelinit within setupfeaturekeys is too late because static keys may be used in subroutines of parseearlyparam, which in...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/tm: Fixed corruption in user space r13. The commit cf13435b730a “powerpc/tm: Fixed corruption in user space r13” fixes a problem in treclaim, where a SLB miss can occur on threadstruct-ckpt regs, when SCRATCH0 is active a...