The vulnerability of the f81604_read_int_callback() function in the drivers/crypto/ccp/sev-dev-tsm.c file of the Linux kernel cryptographic accelerator driver allows a hacker to induce a system failure.

The vulnerability of the f81604readintcallback function in the drivers/crypto/ccp/sev-dev-tsm.c file of the Linux kernel cryptographic accelerator driver is related to errors during link counters updates. Exploiting this vulnerability could allow an attacker to cause a system failure...

CVE-2026-74404

The CVE-2026-74404 issue affects the Linux kernel crypto/ccp path where snp_filter_reserved_mem_regions() bounds check could lead to an off-by-one heap overflow when constructing the iomem reservation descriptor. Specifically, for range_list->num_elements up to 255, (num_elements * 16 + 8) can...

UBUNTU-CVE-2026-64308

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Do not initialize SNP for ioctlSNPVLEKLOAD Sashiko notes: if SEV initialization fails and KVM is actively running normal VMs, could a userspace process trigger this code path via /dev/sev ioctls e.g., SEVPDHGEN and...

PT-2026-64528

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the crypto ccp component where the system could attempt to initialize SNP during an ioctlSNP CONFIG call. If SEV initialization fails while KVM is running normal VMs, a...

ALSA-2026:39494 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: crypto: ccp - copy IV using skcipher ivsize CVE-2026-53016 kernel: XFS data corruption using reflink Bug Fixes and Enhancements: Exploits KEV kernel: XFS data corruption using reflink...

CVE-2026-53016

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - copy IV using skcipher ivsize AFALG rfc3686-ctr-aes-ccp requests pass an 8-byte IV to the driver. ccpaescomplete restores AESBLOCKSIZE bytes into the caller's IV buffer while RFC3686 skciphers expose an 8-byte IV, s...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp – Always pass an error pointer to sevplatformshutdownlocked When 9770b428b1a2 “crypto: ccp – Move devinfo/err messages for SEV/SNP init and shutdown” moved the error messages so that they don’t need to be issued by...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp – Fixed the issue of dereferencing an uninitialized error pointer. Fixed the warnings related to smatch. Location: drivers/crypto/ccp/sev-dev.c:1312 sevplatforminitlocked Error: We previously assumed that ‘error’ coul...

Linux Distros Unpatched Vulnerability : CVE-2026-31697

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - crypto: ccp: Don't attempt to copy ID to userspace if PSP command failed When retrieving the ID for the CPU, don't attempt to copy the ID blob to userspace if t...

SUSE CVE-2025-39936

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Always pass in an error pointer to sevplatformshutdownlocked When 9770b428b1a2 "crypto: ccp - Move devinfo/err messages for SEV/SNP init and shutdown" moved the error messages dumping so that they don't need to be...

CVE-2025-39936

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Always pass in an error pointer to sevplatformshutdownlocked When 9770b428b1a2 "crypto: ccp - Move devinfo/err messages for SEV/SNP init and shutdown" moved the error messages dumping so that they don't need to be...

UBUNTU-CVE-2024-26695

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Fix null pointer dereference in sevplatformshutdownlocked The SEV platform device can be shutdown with a null pspmaster, e.g., using DEBUGTESTDRIVERREMOVE. Found using KASAN: 137.148210 ccp 0000:23:00.1: enabling...

kernel: crypto: ccp - fix resource leaks in ccp_run_aes_gcm_cmd()

A flaw was found in the Linux kernel. A memory leak in the ccp-ops crypto driver can allow attackers to cause a denial of service. This vulnerability is similar with the older CVE-2019-18808. The highest threat from this vulnerability is to system availability...