kernel: netfilter: conntrack: tcp: do not force CLOSE on invalid-seq RST without direction check

A flaw was found in the Linux kernel's netfilter conntrack TCP state machine. A remote attacker can exploit this vulnerability by sending a specially crafted sequence of TCP Transmission Control Protocol packets, specifically a SYN synchronize packet followed by an RST reset packet with an invali...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098737)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098737 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: nftct: add seqadj extension for natted connections Sequence adjustment may be required...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098787)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098787 advisory. In the Linux kernel, the following vulnerability has been resolved: tcp: restrict SOATTACHFILTER to priv users This patch restricts the use of SOATTACHFILTER cBPF on...

EUVD-2025-210802

An issue in Vanderbilt Industries, Acre Security SPC5300.000 Main Board v.3.14.1 allows a physically proximate attacker to cause a denial of service via spoofed TCP FIN packets without validating the sequence or acknowledgment numbers...

CVE-2025-61480

CVE-2025-61480 affects the Vanderbilt Industries, Acre Security SPC5300.000 Main Board (version 3.14.1 ). A physically proximate attacker can trigger a denial of service by sending spoofed TCP FIN packets that are accepted without validating the sequence or acknowledgment numbers, leading to a Hi...

cve-2021-41773-exploration

Panoramica CVE-2021-41773 è una vulnerabilità di path traversal scoperta in Apache HTTP Server 2.4.49 nell'ottobre 2021. La causa principale è stata un errore nella normalizzazione delle sequenze di punti finali nell'URL prima di verificare che il percorso richiesto rimanesse all'interno della ro...

CVE-2026-16599 Denial of Service in GNU wget

GNU wget is vulnerable to denial of service in its FTP OPIE/S-KEY authentication functionality. The server-supplied sequence number from the FTP challenge line is used as an iteration count for an MD5 key-derivation loop without any upper bound validation. A malicious FTP server or a network...

CVE-2026-18963_analyst

Laboratorio Docker Keycloak CVE-2026-18963 Questo laboratorio avvia la versione vulnerabile di Keycloak 26.7.1 su localhost e inizializza un realm minimale per riprodurre il flusso della CVE. Documenti di indagine Analisi del flusso di lavoro: causa root a livello di sorgente, sequenza delle...

PT-2026-81317

Name of the Vulnerable Software and Affected Versions GNU wget versions prior to 1.25.0 Description GNU wget is susceptible to a denial of service in its FTP OPIE/S-KEY authentication functionality. The issue occurs because the software uses a server-supplied sequence number from the FTP challeng...

CVE-2026-62377

A flaw was found in libheif, a HEIF and AVIF file format decoder and encoder. A remote attacker could provide a specially crafted HEIF sequence. Processing this malicious file could lead to a reachable assertion or dereference an empty map, resulting in a crash of the application. This...

CVE-2026-50142

A flaw was found in libheif, a HEIF and AVIF file format decoder and encoder. A remote attacker can provide a specially crafted HEIF sequence that triggers an unbounded heap allocation. This occurs because the HEIF sequence parser's fixed-size mode is missing a bound check, and an integer...

Astra Linux – Vulnerabilities in Linux-6.1, Linux-5.15, Linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: tracing: Fixed an out-of-bounds write in traceseqtobuffer. syzbot reported this bug: ================================================================== Bug: KASAN: Out-of-bounds access in traceseqtobuffer in...

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

In the Linux kernel, the following vulnerability has been resolved: crypto: seqiv – Properly handles the EBUSY error. Since seqiv only handles the special return value of EINPROGERSS, it means that in all other cases, it will free the data related to the request. However, since the caller of seqi...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: KEYS: Trusted – Do not use WARN when encode fails When asn1encodesequence fails, using WARN is not the correct solution. 1. asn1encodesequence is not an internal function located in lib/asn1encode.c. 2. Its location is known,...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: Fixed a mismatch in the function prototype in sndseqexpandvarevent. With Clang’s Kernel Control Flow Integrity kCFI, CONFIGCFICLANG, indirect call targets are validated against the expected function pointer prototype t...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix tcpinittransfer so that icskcainitialized is not reset. This commit fixes a bug identified by syzkaller that could cause spurious double-initizations for congestion control modules. This could lead to memory leaks or oth...

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

In the Linux kernel, the following vulnerabilities have been resolved: TCP: Fixed corruption in MPTCP’s DSS due to large PMTU transmissions. Syzkaller was able to trigger DSS corruption: - TCP: requestsocksubflowv4: Possible SYN flooding on port :::20002. Sending cookies. ------------ Cut here...

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

In the Linux kernel, the following vulnerabilities have been resolved: DCCP: Fixed out-of-bounds access in the DCCP error handler. There was a previous attempt to fix out-of-bounds access in the DCCP error handlers, but that fix assumed that the error handlers only wanted to access the first 8...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ublk: The SQE128 flag is validated before accessing the cmd field. The ublkctrlcmddump function accesses the sqe-cmd field before checking the IOURINGFSQE128 flag. This could lead to out-of-boundary memory access. The flag...

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: netfilter: nftables: The commit mutex should not be released during the critical section between nftgcseqBegin and nftgcseqEnd. Otherwise, the async GC worker could collect expired objects and obtain the released commit lock with...