CVE-2026-31699

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp: Don't attempt to copy CSR to userspace if PSP command failed When retrieving the PEK CSR, don't attempt to copy the blob to userspace if the firmware command failed. If the failure was due to an invalid length, i.e...

CVE-2026-31699 crypto: ccp: Don't attempt to copy CSR to userspace if PSP command failed

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp: Don't attempt to copy CSR to userspace if PSP command failed When retrieving the PEK CSR, don't attempt to copy the blob to userspace if the firmware command failed. If the failure was due to an invalid length, i.e...

EUVD-2026-26508

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp: Don't attempt to copy CSR to userspace if PSP command failed When retrieving the PEK CSR, don't attempt to copy the blob to userspace if the firmware command failed. If the failure was due to an invalid length, i.e...

CVE-2026-31697

In the Linux kernel, the following vulnerability has been resolved: 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 the firmware command failed. If the failure was due to an invalid...

CVE-2026-31698

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp: Don't attempt to copy PDH cert to userspace if PSP command failed When retrieving the PDH cert, don't attempt to copy the blobs to userspace if the firmware command failed. If the failure was due to an invalid length...

EUVD-2026-26507

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp: Don't attempt to copy PDH cert to userspace if PSP command failed When retrieving the PDH cert, don't attempt to copy the blobs to userspace if the firmware command failed. If the failure was due to an invalid length...

CVE-2026-31698 crypto: ccp: Don't attempt to copy PDH cert to userspace if PSP command failed

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp: Don't attempt to copy PDH cert to userspace if PSP command failed When retrieving the PDH cert, don't attempt to copy the blobs to userspace if the firmware command failed. If the failure was due to an invalid length...

CVE-2026-31698

CVE-2026-31698 affects the Linux kernel crypto CCP Sev driver. The issue arises when retrieving the PDH certificate: if a firmware command fails with an invalid length, the driver may copy data to userspace, causing a kernel-allocated buffer overflow and potential data leakage to the local user. ...

CVE-2026-31697

In the Linux kernel, the following vulnerability has been resolved: 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 the firmware command failed. If the failure was due to an invalid...

CVE-2026-31697

The CVE-2026-31697 entry concerns the Linux kernel crypto: ccp driver. The issue arises when retrieving the CPU ID: if the firmware command fails (notably with an invalid length), copying the firmware ID to userspace can overflow a kernel buffer and leak data to userspace. Public reports describe...

CVE-2026-31697 crypto: ccp: Don't attempt to copy ID to userspace if PSP command failed

In the Linux kernel, the following vulnerability has been resolved: 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 the firmware command failed. If the failure was due to an invalid...

Exploit for CVE-2026-31431

Copy Fail — CVE-2026-31431 CVE-2026-31431 Copy Fail is a lo...

Copy Fail: Universal Linux Local Privilege Escalation Vulnerability

Detect and mitigate Copy Fail CVE-2026-31431, an easily exploitable vulnerability in the Linux kernel that allows escalation from an unprivileged local user account to root access...

K000161061: crypto: algif_aead - Revert to operating out-of-place (Copy Fail) CVE-2026-31431

Security Advisory Description In the Linux kernel, the following vulnerability has been resolved: crypto: algifaead - Revert to operating out-of-place This mostly reverts commit 72548b093ee3 except for the copying of the associated data. There is no benefit in operating in-place in algifaead sinc...

Exploit for CVE-2026-31431

copy-fail-go Go port of grenkocahttps://gist.github.com/gr...

sigma_rule_for_copyfail

Copy Fail Detection — CVE-2026-31431 Detection engineering pr...

Exploit for CVE-2026-31431

Porting CVE-2026-31431 "Copy Fail" to a Constrained Java Run...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from errors in buffer size calculations during DMA allocation and memcpy operations. This vulnerabilit...

PT-2026-36456

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the emac dispatch skb zc function where a new skb is allocated via napi alloc skb but packet data from the XDP buffer is not copied into it. This results in the skb...

CVE-2026-42483

A heap-based buffer overflow in the Kerberos hash parser in hashcat v7.1.2 allows an attacker to cause a denial of service or possibly execute arbitrary code via a crafted Kerberos hash file. The issue affects modulehashdecode in multiple Kerberos-related modules because accountinfolen is...