kernel: sctp: linearize cloned gso packets in sctp_rcv

A flaw use of uninitialized memory uncontrolled and invisible by attacker in the Linux kernel SCTP transport protocol was found in the way user triggers malicious SCTP packets. A remote user could use this flaw to crash the system. The bug actual only for systems where SCTP protocol being enabled...

sctp: Fix MAC comparison to be constant-time

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net/sctp: fix a null dereference in sctp_disposition sctp_sf_do_5_1D_ce()

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EUVD-2025-150370

In the Linux kernel, the following vulnerability has been resolved: sctp: Fix MAC comparison to be constant-time To prevent timing attacks, MACs need to be compared in constant time. Use the appropriate helper function for this...

EUVD-2025-150387

In the Linux kernel, the following vulnerability has been resolved: net/sctp: fix a null dereference in sctpdisposition sctpsfdo51Dce If newasoc-peer.adaptationind=0 and sctpulpeventmakeauthkey=0 and sctpulpeventmakeauthkey returns 0, then the variable aiev remains zero and the zero will be...

DEBIAN-CVE-2025-40187

In the Linux kernel, the following vulnerability has been resolved: net/sctp: fix a null dereference in sctpdisposition sctpsfdo51Dce If newasoc-peer.adaptationind=0 and sctpulpeventmakeauthkey=0 and sctpulpeventmakeauthkey returns 0, then the variable aiev remains zero and the zero will be...

CVE-2025-40187

In the Linux kernel, the following vulnerability has been resolved: net/sctp: fix a null dereference in sctpdisposition sctpsfdo51Dce If newasoc-peer.adaptationind=0 and sctpulpeventmakeauthkey=0 and sctpulpeventmakeauthkey returns 0, then the variable aiev remains zero and the zero will be...

UBUNTU-CVE-2025-40187

In the Linux kernel, the following vulnerability has been resolved: net/sctp: fix a null dereference in sctpdisposition sctpsfdo51Dce If newasoc-peer.adaptationind=0 and sctpulpeventmakeauthkey=0 and sctpulpeventmakeauthkey returns 0, then the variable aiev remains zero and the zero will be...

CVE-2025-40204

Based on the provided Connected documents, CVE-2025-40204 affects the Linux kernel (SCTP) and is fixed by making MAC comparisons constant-time to prevent timing attacks. The SUSE-related Nessus advisories (SUSE-SU-2026:0274-1, SUSE-SU-2026:0284-1, SUSE-SU-2026:0262-1, SUSE-SU-2026:0270-1, etc.) l...

CVE-2025-40187 net/sctp: fix a null dereference in sctp_disposition sctp_sf_do_5_1D_ce()

In the Linux kernel, the following vulnerability has been resolved: net/sctp: fix a null dereference in sctpdisposition sctpsfdo51Dce If newasoc-peer.adaptationind=0 and sctpulpeventmakeauthkey=0 and sctpulpeventmakeauthkey returns 0, then the variable aiev remains zero and the zero will be...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-990769)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990769 advisory. In the Linux kernel, the following vulnerability has been resolved: sctp: clear outcurr if all frag chunks of current msg are pruned A crash was reported by Zhen Che...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: sctp: Linearize cloned GSO packets in sctprcv. The cloned headskb still shares these frag SKBs in the fraglist with the original headskb. Accessing these frag SKBs is not safe. syzbot reported two bugs caused by the use of...

Moderate: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

kernel: sctp: linearize cloned gso packets in sctp_rcv

A flaw use of uninitialized memory uncontrolled and invisible by attacker in the Linux kernel SCTP transport protocol was found in the way user triggers malicious SCTP packets. A remote user could use this flaw to crash the system. The bug actual only for systems where SCTP protocol being enabled...

Siemens SIMATIC Devices NULL Pointer Dereference (CVE-2025-21640)

In the Linux kernel, the following vulnerability has been resolved: sctp: sysctl: cookiehmacalg: avoid using current-nsproxy As mentioned in a previous commit of this series, using the 'net' structure via 'current' is not recommended for different reasons: - Inconsistency: getting info from the...

EUVD-2021-10131

Malware in sbrugna...

EUVD-2014-8449

Malware in sbrugna...

EUVD-2018-5064

Malware in sbrugna...

EUVD-2008-2819

Malware in sbrugna...

EUVD-2009-0074

Malware in sbrugna...