Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: LoongArch: The ioaw hook was defined as mmiowb. The commit fb24ea52f78e0d595852e states that “drivers: Explicit invocations of mmiowb were removed.” All occurrences of mmiowb in drivers were removed. However, it is noted that:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: LoongArch: Fixed missing NULL checks for kstrdup 1. Replaced “offindnodebypath"/"” with “ofroot” to avoid multiple calls to “ofnodeput”. 2. Fixed a potential kernel error during early boot when memory allocation fails while...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Fixed the calculation of the base address in the function kvmeiointc regsaccess. In the function kvmeiointc regsaccess, the base address of the register is calculated by adding an offset to the array base address...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Marking hrtimers to expire in hard interrupt context Similar to commits 2c0d278f3293f “KVM: LAPIC: Marking hrtimers to expire in hard interrupt context” and 9090825fa9974 “KVM: arm/arm64: Letting timers expire in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Handling the case where EIOINTC’s coremap is empty EIOINTC’s coremap in eiointcupdateswcoremap can be empty. Currently, we get a cpuid value of -1 in this case, but we actually need a value of 0, as it is similar ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Fixed a memory leak in kvmpchpicdestroy. In kvmioctlcreatedevice, kvmdevice allocates memory. kvmdevice-destroy seems to be supposed to free the kvmdevice structure it manages, but kvmpchpicdestroy does not do thi...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Only call gettimerirq once in constantclockeventinit Under CONFIGDEBUGATOMICSLEEP=y and CONFIGDEBUGPREEMPT=y, we can observe the following messages on LoongArch. This occurs because the mightsleep function is used in a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Check the validity of “numcpu” from user space. The maximum supported CPU number is EIOINTCROUTEMAXVCPUS. For the irchip EIOINTC, validation of the CPU number is added to prevent array pointer overflow...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Fixed a memory leak in kvmipidestroy In kvmioctlcreatedevice, kvmdevice has allocated memory. kvmdevice-destroy seems to be supposed to free up the kvmdevice structure, but kvmipidestroy does not do this currently...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: Prevent out-of-bounds memory access The testtag test triggers an unhandled page fault: ./testtag 130.640218 CPU 0 Unable to handle kernel paging request at virtual address ffff80001b898004, era == 9000000003137f7c...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: LoongArch: BPF: Properly handles return values from struct ops that are signed-extended. The nsbpfqdisc selftest triggers a kernel panic: Oops1: CPU 0 Unable to handle kernel paging request at virtual address 0000000000741d58,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: LoongArch: All reserved memblocks on Node0 are set at initialization. After the commit 61167ad5fecdea "mm: pass nid to reservebootmemregion", a panic occurs if DEFERREDSTRUCTPAGEINIT is enabled: 0.000000 CPU 0 Unable to handle...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Set hugetlb mmap base address aligned with pmd size With ltp test case "testcases/bin/hugefork02", there is a dmesg error report message such as: kernel BUG at mm/hugetlb.c:5550! Oops - BUG1: CPU: 0 UID: 0 PID: 1517...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: No support for struct arguments in trampoline programs The current implementation does not support struct arguments. This causes an oops when running the bpf selftest: $ ./testprogs -a tracingstruct Oops1: CPU -1...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: Disabling trampoline for kernel module function tracing The current implementation of BPF trampoline in LoongArch is incompatible with tracing functions in kernel modules. This causes several serious and...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Enabling exception fixup for specific ADE subcodes This patch enables the LoongArch BPF JIT to handle recoverable memory access errors generated by BPFPROBEMEM instructions. When a BPF program performs memory access...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Makes kvmgetvcuByCPUid more robust The kvmgetvcuByCPUid function takes a cpuid parameter of type int; therefore, the cpuid value can be negative. To make this function more robust, let kvmgetvcuByCPUid return NULL...

SUSE CVE-2026-43212

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Make cpumaskofnode robust against NUMANONODE The arch definition of cpumaskofnode cannot handle NUMANONODE - which is a valid index - so add a check for this...

CVE-2026-43212

A flaw was found in the Linux kernel, specifically within the cpumaskofnode function on the LoongArch architecture. This function did not properly handle the NUMANONODE index, which is a valid input. This oversight could lead to unexpected system behavior or instability, potentially impacting...

EUVD-2026-27772

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Make cpumaskofnode robust against NUMANONODE The arch definition of cpumaskofnode cannot handle NUMANONODE - which is a valid index - so add a check for this...