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 the unconditional success of the spintrylock operation when calling kmallocnolock within the NMI contex...

PT-2026-43896

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description On Uniprocessor UP kernels where CONFIG SMP is not enabled, the spin trylock function acts as a no-op and unconditionally succeeds. This allows kmalloc nolock called from a Non-Maskable...

CVE-2026-46029

In the Linux kernel, the following vulnerability has been resolved: mm/slab: return NULL early from kmallocnolock in NMI on UP On UP kernels !CONFIGSMP, spintrylock is a no-op that unconditionally succeeds even when the lock is already held. As a result, kmallocnolock called from NMI context can...

CVE-2026-32792 Packet of death with DNSCrypt

NLnet Labs Unbound 1.6.2 up to and including version 1.25.0 has a denial of service vulnerability when compiled with DNSCrypt support '--enable-dnscrypt'. A bad DNSCrypt query could underflow Unbound's DNSCrypt packet reading procedure that may lead to heap overflow. A malicious actor can exploit...

EUVD-2026-31077

NLnet Labs Unbound 1.6.2 up to and including version 1.25.0 has a denial of service vulnerability when compiled with DNSCrypt support '--enable-dnscrypt'. A bad DNSCrypt query could underflow Unbound's DNSCrypt packet reading procedure that may lead to heap overflow. A malicious actor can exploit...

CVE-2026-32792 Packet of death with DNSCrypt

NLnet Labs Unbound 1.6.2 up to and including version 1.25.0 has a denial of service vulnerability when compiled with DNSCrypt support '--enable-dnscrypt'. A bad DNSCrypt query could underflow Unbound's DNSCrypt packet reading procedure that may lead to heap overflow. A malicious actor can exploit...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: rustbinder: fixed oneway spam detection The spam detection logic in TreeRange was executed before the current request was inserted into the tree. As a result, the new request wasn’t taken into account in the spam calculation...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fixed the host’s stage-2 PGD refcount issue The KVM page-table library counts the pages of concatenated stage-2 PGs individually. However, when KVM runs in protected mode, the host’s stage-2 PGD is currently managed b...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mm/slub: A check for s-flags was added in the alloctaggingslabfree hook function. When CONFIGMEMCG, CONFIGKFENCE, and CONFIGKMEMLEAK are enabled, the following warning always occurs. This happens because the following call sta...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mux: mmio: Fixed the regmap leak that occurs during probe failures. The regmap that may be allocated during a probe is never released. We have switched to using the device-managed allocator, so that the regmap is released during...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: slab: Avoid race conditions in allocslabobjexts. If two competing threads enter allocslabobjexts, and one of them fails to allocate the object extension vector, it may override the valid slab-objexts allocated by the other thread...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ICE: Avoid crashes due to unnecessary IDA frees. In the “remove path”, there is an attempt to free the auxidx IDA, regardless of whether it was allocated or not. This could potentially cause a crash when unloading the driver on...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: kernel/kexec: fixed the issue when the kexec target address is allocated in the CMA area. Description of the bug When I tested kexec with the latest kernel, I encountered the following warning: 40.712410 ------------ cut here ---...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: BPF: Zeroing allocated objects from slabs in the BPF memory allocator Currently, the freed elements in the BPF memory allocator may be reused immediately. For the htab map, reusing these elements will reinitialize special fields ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: hvnetvsc: Do not free decrypted memory. In CoCo VMs, it is possible for the untrusted host to cause setmemoryencrypted or setmemorydecrypted to fail, resulting in an error and the memory being retained. Callers must take care to...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021554)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021554 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: fix uninititialized value in 'ext4evictinode' Syzbot found the following issue:...

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...

CLSA-2026-1778756179 kernel: Fix of 2 CVEs

net: skbuff: propagate shared-frag marker through pskbcopy - Bluetooth: btusb: revert use of devmkzalloc in btusb CVE-2025-71082 - nfsd: fix use-after-free due to delegation race CVE-2021-47506...

Linux Distros Unpatched Vulnerability : CVE-2026-43285

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: mm/slab: do not access current-memsallowedseq if !allowspin Lockdep complains when...

SUSE CVE-2026-43285

In the Linux kernel, the following vulnerability has been resolved: mm/slab: do not access current-memsallowedseq if !allowspin Lockdep complains when getfromanypartial is called in an NMI context, because current-memsallowedseq is seqcountspinlockt and not NMI-safe:...