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Luci Stanescu

Luci Stanescu

11 posts

Luci Stanescu
1 July 2026

DirtyClone Linux kernel local privilege escalation vulnerability fixes available

Ubuntu Ubuntu tech blog

On June 25, 2026, JFrog published their research into CVE-2026-43503, referring to the vulnerability as DirtyClone. The vulnerability had previously been responsibly disclosed to the Linux kernel maintainers and the CVE record published on May 23, 2026. The vulnerability affects multiple Linux distributions, including all Ubuntu releases. ...

Luci Stanescu
1 July 2026

pedit COW kernel local privilege escalation vulnerability mitigations

Ubuntu Ubuntu tech blog

Mitigations are available for the Linux vulnerability with CVE ID CVE-2026-46331. The CVE ID was assigned on June 16 2026 and highlighted as a local privilege escalation (LPE) vulnerability on June 26, 2026. Known as “pedit COW”, this vulnerability affects multiple Linux distributions, including all Ubuntu releases starting with Bionic Be ...

Luci Stanescu
19 May 2026

CVE-2026-46333 (ssh-keysign-pwn) Linux kernel vulnerability mitigations

Ubuntu Ubuntu tech blog

An information disclosure security vulnerability in the Linux kernel was publicly disclosed on May 15th, 2026. The vulnerability was reported by Qualys and fixed in the mainline Linux kernel tree. A proof-of-concept exploit was published soon after public disclosure. The ID CVE-2026-46333 was assigned, but the vulnerability is also referr ...

Luci Stanescu
14 May 2026

Fragnesia Linux kernel local privilege escalation vulnerability mitigations

Ubuntu Ubuntu tech blog

A local privilege escalation (LPE) vulnerability affecting the Linux kernel has been publicly disclosed on May 13, 2026. The vulnerability has been assigned the CVE ID CVE-2026-46300 and is referred to as “Fragnesia.”  The vulnerability affects multiple Linux distributions, including all Ubuntu releases. The affected components are the Li ...

Luci Stanescu
8 May 2026

Dirty Frag Linux kernel local privilege escalation vulnerability mitigations

Ubuntu Ubuntu tech blog

Two local privilege escalation (LPE) vulnerabilities affecting the Linux kernel have been publicly disclosed on May 7, 2026. The vulnerabilities have been assigned the IDs CVE-2026-43284 and CVE-2026-43500 and are referred to as “Dirty Frag.” The affected components are Linux kernel modules. The first vulnerability impacts the modules tha ...

Luci Stanescu
30 April 2026

Fixes available for CVE-2026-31431 (Copy Fail) Linux Kernel Local Privilege Escalation Vulnerability

Ubuntu Ubuntu tech blog

A local privilege escalation (LPE) vulnerability affecting the Linux kernel has been publicly disclosed on April 29, 2026. The vulnerability has been assigned CVE ID CVE-2026-31431 and is referred to as Copy Fail. The affected component is a kernel module that provides hardware-accelerated cryptographic functions: algif_aead. The vulnerab ...

Luci Stanescu
12 March 2026

AppArmor vulnerability fixes available

Ubuntu Ubuntu tech blog

Qualys discovered several vulnerabilities in the AppArmor code of the Linux kernel. These are being referred to as CrackArmor, while CVE IDs are in the process of being assigned by the Linux Kernel CVE Numbering Authority. There are eleven patches for the nine vulnerabilities and each patch is assigned a CVE IDs: CVE-2026-23268, CVE-2026- ...

Luci Stanescu
28 February 2025

How to conduct a vulnerability assessment

Security Ubuntu tech blog

The realm of information security is fraught with jargon, as anyone who has come across vulnerability-related terms can tell you. To complicate matters further, some of these terms are used interchangeably or in contexts outside of computing. This can muddy the waters for people looking to learn about vulnerability assessments – so in thi ...

Luci Stanescu
28 October 2024

Imagining the future of Cybersecurity

Ubuntu Ubuntu tech blog

October 2024 marks the 20th anniversary of Ubuntu. The cybersecurity landscape has significantly shifted since 2004. If you have been following the Ubuntu Security Team’s special three-part series podcast that we put out to mark Cybersecurity Awareness Month, you will have listened to us talk about significant moments that have shaped the ...

Luci Stanescu
26 September 2024

CUPS Remote Code Execution Vulnerability Fix Available

Ubuntu Ubuntu tech blog

Four CVE IDs have been assigned that together form an high-impact exploit chain surrounding CUPS: CVE-2024-47076, CVE-2024-47175, CVE-2024-47176 and CVE-2024-47177. Canonical’s security team has released updates for the cups-browsed, cups-filters, libcupsfilters and libppd packages for all supported Ubuntu LTS releases. The updates remedi ...

Luci Stanescu
3 July 2024

What you need to know about regreSSHion: an OpenSSH server remote code execution vulnerability (CVE-2024-6387)

Security Ubuntu tech blog

Details about the high-impact CVE-2024-6387 vulnerability, nicknamed regreSSHion, and the Ubuntu fix released on the CRD. ...