CVE-2026-80546 s390/zcrypt: Improve CCA CPRB length and overflow checks

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Improve CCA CPRB length and overflow checks The xcrbmsgtotype6cprbmsgx function lacks proper input validation, creating security vulnerabilities: 1. Integer overflow after CEIL4 alignment: Signed int variables could...

CVE-2026-80546

CVE-2026-80546 affects the s390/zcrypt subsystem of the Linux kernel, specifically the xcrb_msg_to_type6cprb_msgx() function. Three related input-validation flaws allow a local attacker with low privileges to trigger: (1) integer overflow during CEIL4 alignment, leading to undersized buffer alloc...

CVE-2026-80546 s390/zcrypt: Improve CCA CPRB length and overflow checks

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Improve CCA CPRB length and overflow checks The xcrbmsgtotype6cprbmsgx function lacks proper input validation, creating security vulnerabilities: 1. Integer overflow after CEIL4 alignment: Signed int variables could...

CVE-2026-80545 s390/zcrypt: Improve EP11 CPRB length and overflow checks

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Improve EP11 CPRB length and overflow checks The xcrbmsgtotype6ep11cprbmsgx function lacks proper input validation, creating security vulnerabilities: 1. Missing minimum size validation: The ep11cprb structure and...

CVE-2026-80545 s390/zcrypt: Improve EP11 CPRB length and overflow checks

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Improve EP11 CPRB length and overflow checks The xcrbmsgtotype6ep11cprbmsgx function lacks proper input validation, creating security vulnerabilities: 1. Missing minimum size validation: The ep11cprb structure and...

CVE-2026-80545

CVE-2026-80545 affects the Linux kernel's s390 zcrypt subsystem, specifically the xcrb_msg_to_type6_ep11cprb_msgx() function. The function copies the ep11_cprb structure and payload fields from userspace without verifying sufficient buffer length, and a CEIL4 arithmetic overflow can bypass size c...

CVE-2026-80544 s390/zcrypt: Improve EP11 CPRB domain handling with ASN.1 parsing

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Improve EP11 CPRB domain handling with ASN.1 parsing The zcryptmsgtype6sendep11cprb function uses fragile struct overlays to access and modify the domain field in the EP11 CPRB payload, creating maintainability and...

CVE-2026-80544

CVE-2026-80544 affects the Linux kernel s390/zcrypt subsystem, specifically the zcrypt_msgtype6_send_ep11_cprb() function. The vulnerability arises from fragile struct overlays used to read and modify the domain field in the EP11 CPRB payload, which assume a fixed structure without validating the...

CVE-2026-80544 s390/zcrypt: Improve EP11 CPRB domain handling with ASN.1 parsing

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Improve EP11 CPRB domain handling with ASN.1 parsing The zcryptmsgtype6sendep11cprb function uses fragile struct overlays to access and modify the domain field in the EP11 CPRB payload, creating maintainability and...

CVE-2026-80543

CVE-2026-80543 affects the Linux kernel on s390 architectures, specifically the s390/zcrypt subsystem. The vulnerable functions xcrb_msg_to_type6cprb_msgx() and xcrb_msg_to_type6_ep11cprb_msgx() copy a user-space message into a kernel buffer based on its length, but subsequent processing requires...

CVE-2026-80543

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Pad trailing CCA or EP11 message with zeros The both functions xcrbmsgtotype6cprbmsgx and xcrbmsgtotype6ep11cprbmsgx copy the user space message into a kernel buffer based on the message length. But on further...

CVE-2026-80543 s390/zcrypt: Pad trailing CCA or EP11 message with zeros

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Pad trailing CCA or EP11 message with zeros The both functions xcrbmsgtotype6cprbmsgx and xcrbmsgtotype6ep11cprbmsgx copy the user space message into a kernel buffer based on the message length. But on further...

PT-2026-82162

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The xcrb msg to type6cprb msgx function lacks proper input validation. This leads to several issues: signed integer variables may overflow during 4-byte boundary alignment, resulting in...

Linux Distros Unpatched Vulnerability : CVE-2026-80543

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: s390/zcrypt: Pad trailing CCA or EP11 message with zeros The both functions...

PT-2026-82161

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The xcrb msg to type6 ep11cprb msgx function fails to properly validate input, leading to several security issues. Specifically, the ep11 cprb structure and payload fields pld tag and pl...

PT-2026-82159

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description In the s390/zcrypt component, the functions xcrb msg to type6cprb msgx and xcrb msg to type6 ep11cprb msgx copy user space messages into a kernel buffer based on the message length...

Linux Distros Unpatched Vulnerability : CVE-2026-80546

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: s390/zcrypt: Improve CCA CPRB length and overflow checks The xcrbmsgtotype6cprbmsgx function...

Linux Distros Unpatched Vulnerability : CVE-2026-80545

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: s390/zcrypt: Improve EP11 CPRB length and overflow checks The xcrbmsgtotype6ep11cprbmsgx...

Linux Distros Unpatched Vulnerability : CVE-2026-80544

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: s390/zcrypt: Improve EP11 CPRB domain handling with ASN.1 parsing The...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Do not leak memory if devsetname fails. When devsetname fails, zcdncreate does not free the newly allocated resources. Fix this issue...