Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/64s: Fixed the program check interrupt emergency stack path issue. The emergency stack path was jumping into a 3: label within the GENCOMMONBODY macro for the normal path after it had finished, rather than jumping over...

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: A possible memory leak has been fixed in ibmebusbusinit. If deviceregister returns an error in ibmebusbusinit, the name of the kobject allocated by devsetname which is called in deviceadd may be leaked. According...

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/iommu: The notifiers are shared by the PCI and VIO buses. The failiommusetup function registers the failiommubusnotifier struct for both PCI and VIO buses. The struct notifierblock is a linked-list node, which means that...

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...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: PPC: Book3S HV: Fixed stack handling in idlekvmstartguest In commit 10d91611f426 “powerpc/64s: Reimplemented the book3s idle code in C”, kvmstartguest became idlekvmstartguest. The old code allocated a stack frame on the...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/47x: Fixed the crash that occurred during the 47x syscall return. Eddie reported that newer kernels crashed during boot on his 476FSP2 system: - The kernel attempted to execute the user page b7ee2000 – a potential...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: powerpc/32: Fixed the hard lockup that occurred due to vmap stack overflow. Since the commit c118c7303ad5 “powerpc/32: Fixed vmap stack – Do not activate the MMU before reading the task struct”, a vmap stack overflow would result...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s/interrupt: Fixed the interrupt exit race issue with security mitigation switches. The RFI and STF security mitigation options can simultaneously alter the interruptexitnotreentrant static branch condition, along with...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/spufs: The refcount leak in spufsinitisolatedloader has been fixed. The offindnodebypath function returns a nodepointer for a remote device, and the refcount is incremented. We should use ofnodeput on it after...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/memhotplug: Added an addpages override for PPC. With the commit ffa0b64e3be5 “powerpc: Fix virtaddrvalid for 64-bit Book3E & 32-bit”, the kernel now validates the addr against the highmemory value. This results in 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/lib: Validate size for vector operations Some parts of the fp/vmx code in sstep.c assume a certain maximum size for the instructions being emulated. However, the size of these operations is determined separately in 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/mm: Fixed the null-pointer dereference in pgtablecacheadd. kasprintf returns a pointer to dynamically allocated memory; this pointer may be NULL in case of failure. Ensure that the allocation was successful by checking th...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/cell/axonmsi: The refcount leak in setupmsimsgaddress has been fixed. The function ofgetnextparent returns a node pointer with the refcount incremented. We should use ofnodeput on it when it is no longer needed. Add the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: powerpc/pci: Fixed the locking behavior of getphbnumber. The recent change to getphbnumber causes a DEBUGATOMICSLEEP warning on some systems: - Bug: A sleeping function is called from an invalid context at...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/perf: Optimized the clearing of pending PMI entries, and removed the WARNON for the PMI check in powerpmudisable. The commit 2c9ac51b850d “powerpc/perf: Fix PMU callbacks to clear pending PMI before resetting an...

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/imc-pmu: A null pointer check was added in updateeventsingroup. kasprintf returns a pointer to dynamically allocated memory; this pointer can be NULL in case of failure...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/52xx: A resource leak has been fixed in the error handling path. The error handling path of mpc52xxlpbfifoprobe contains a requestirq call that is not balanced by a corresponding freeirq call. The missing call has been...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/perf: Fixed powerpmudisable to call clearpmiirqpending only if PMI is pending. Running a self-test 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/rtas: Avoid device tree lookups in rtasosterm. rtasosterm is called during panic. Its behavior depends on several conditions in the /rtas node of the device tree; traversing these nodes involves locking and changes to loc...