Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: fscrypt: stopped using the keyring subsystem for fscryptmasterkey. The approach of having fs/crypto/ manage the fscryptmasterkey structures internally as payloads within “struct key” objects contained in a “struct key” keyring...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100559)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100559 advisory. In the Linux kernel, the following vulnerability has been resolved: keys: Pin requestkeyauth payload in instantiate paths A: requestkey B: KEYCTLINSTANTIATEIOV...

CVE-2026-74566

In the Linux kernel, the following vulnerability has been resolved: keys: make keyring key-chunk byte order agree with keyringdiffobjects keyringgetkeychunk loads description bytes into the index chunk low address first, while keyringdiffobjects numbers the first differing bit from the low end an...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: X.509: Fixed out-of-bounds access during the parsing of extensions Leo reports a situation where out-of-bounds access occurs during the parsing of a certificate with empty Basic Constraints or Key Usage extensions. This occurs...

SUSE CVE-2026-31430

In the Linux kernel, the following vulnerability has been resolved: X.509: Fix out-of-bounds access when parsing extensions Leo reports an out-of-bounds access when parsing a certificate with empty Basic Constraints or Key Usage extension because the first byte of the extension is read before...

CVE-2026-31430

A flaw was found in the Linux kernel. An unprivileged user can exploit this vulnerability by submitting a specially crafted X.509 certificate to the kernel through the keyrings7 application programming interface API. This certificate, specifically when containing empty Basic Constraints or Key...

EUVD-2026-23819

In the Linux kernel, the following vulnerability has been resolved: X.509: Fix out-of-bounds access when parsing extensions Leo reports an out-of-bounds access when parsing a certificate with empty Basic Constraints or Key Usage extension because the first byte of the extension is read before...

CVE-2026-31430

In the Linux kernel, the following vulnerability has been resolved: X.509: Fix out-of-bounds access when parsing extensions Leo reports an out-of-bounds access when parsing a certificate with empty Basic Constraints or Key Usage extension because the first byte of the extension is read before...

AZL-83096 CVE-2026-31430 affecting package kernel for versions less than 6.6.137.1-1

In the Linux kernel, the following vulnerability has been resolved: X.509: Fix out-of-bounds access when parsing extensions Leo reports an out-of-bounds access when parsing a certificate with empty Basic Constraints or Key Usage extension because the first byte of the extension is read before...

CVE-2026-31430 X.509: Fix out-of-bounds access when parsing extensions

In the Linux kernel, the following vulnerability has been resolved: X.509: Fix out-of-bounds access when parsing extensions Leo reports an out-of-bounds access when parsing a certificate with empty Basic Constraints or Key Usage extension because the first byte of the extension is read before...

CVE-2026-31430 X.509: Fix out-of-bounds access when parsing extensions

In the Linux kernel, the following vulnerability has been resolved: X.509: Fix out-of-bounds access when parsing extensions Leo reports an out-of-bounds access when parsing a certificate with empty Basic Constraints or Key Usage extension because the first byte of the extension is read before...

CVE-2026-31430

CVE-2026-31430 affects the Linux kernel: X.509 extensions parsing could read the first byte of an extension before checking length, causing out-of-bounds access. The vulnerability can be triggered by an unprivileged user submitting a crafted certificate via the keyrings(7) API. A PoC exists. The ...

CVE-2026-31430

In the Linux kernel, the following vulnerability has been resolved: X.509: Fix out-of-bounds access when parsing extensions Leo reports an out-of-bounds access when parsing a certificate with empty Basic Constraints or Key Usage extension because the first byte of the extension is read before...

CVE-2026-31430: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: X.509: Fix out-of-bounds access when parsing extensions Leo reports an out-of-bounds access when parsing a certificate with empty Basic Constraints or Key Usage extension because the first byte of the extension is read before...

Linux Distros Unpatched Vulnerability : CVE-2026-31430

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - X.509: Fix out-of-bounds access when parsing extensions Leo reports an out-of-bounds access when parsing a certificate with empty Basic Constraints or Key Usage...

PT-2026-33747

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds access occurs when parsing X.509 certificates containing empty Basic Constraints or Key Usage extensions. This happens because the first byte of the extension is read...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001614)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001614 advisory. In the Linux kernel before 4.13.5, a local user could create keyrings for other users via keyctl commands, setting unwanted defaults or causing a denial of service...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-003088)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003088 advisory. It was discovered in the Linux kernel before 4.11-rc8 that root can gain direct access to an internal keyring, such as '.dnsresolver' in RHEL-7 or...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003013)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003013 advisory. In the Linux kernel before 4.13.5, a local user could create keyrings for other users via keyctl commands, setting unwanted defaults or causing a denial of service...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002042)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002042 advisory. Race condition in the installuserkeyrings function in security/keys/processkeys.c in the Linux kernel before 3.8.3 allows local users to cause a denial of service NU...