kernel: scsi: target: iscsi: Validate CHAP_R length before base64 decode

A flaw was found in the Linux kernel's iSCSI target functionality. This vulnerability allows a remote attacker to cause a buffer overflow by sending a specially crafted Challenge-Handshake Authentication Authentication Protocol CHAP response. The system fails to validate the length of the...

kernel: scsi: target: iscsi: Validate CHAP_R length before base64 decode

A flaw was found in the Linux kernel's iSCSI target functionality. This vulnerability allows a remote attacker to cause a buffer overflow by sending a specially crafted Challenge-Handshake Authentication Authentication Protocol CHAP response. The system fails to validate the length of the...

RHEL 8 : kernel-rt (RHSA-2026:59737)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:59737 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism...

Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: sctp: purge outqueue on stale COOKIE-ECHO handling CVE-2026-52924 kernel: scsi: target: iscsi: Validate CHAPR length before base64 decode CVE-2026-63886 kernel: netfilter: conntrack: tcp:...

RHEL 8 : kernel (RHSA-2026:59821)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:59821 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: sctp: purge outqueue on stale...

AlmaLinux 8 : kernel-rt (ALSA-2026:59737)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:59737 advisory. kernel: sctp: purge outqueue on stale COOKIE-ECHO handling CVE-2026-52924 kernel: scsi: target: iscsi: Validate CHAPR length before base64 decode...

Important: kernel-rt security, bug fix, and enhancement update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: sctp: purge outqueue on stale COOKIE-ECHO handling CVE-2026-52924 kernel: scsi: target: iscsi: Validate CHAPR length before base64...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098776)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098776 advisory. In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Fix timeout on deleted connection NOPIN response timer may expire on a delet...

RHEL 9 : iscsi-initiator-utils (RHSA-2026:60427)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:60427 advisory. The iscsi-initiator-utils packages provide the server daemon for the Internet Small Computer System Interface iSCSI protocol, as well as th...

ALSA-2026:59821 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: sctp: purge outqueue on stale COOKIE-ECHO handling CVE-2026-52924 kernel: scsi: target: iscsi: Validate CHAPR length before base64 decode CVE-2026-63886 kernel: netfilter: conntrack: tcp:...

kernel: scsi: target: iscsi: Fix CRC overread and double-free in iscsit_handle_text_cmd()

A flaw was found in the Linux kernel's iSCSI Internet Small Computer System Interface target subsystem. This vulnerability involves a buffer overread and a double-free error when processing iSCSI Text commands. A remote attacker could exploit these issues by sending specially crafted network...

RHEL 8 : kernel (RHSA-2026:59473)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:59473 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net: atm: fix crash due to...

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

In the Linux kernel, the following vulnerability has been resolved: scsi: iscsitcp: A UAF use-after-free error occurs during login when accessing the host’s IP address. If the iscsitcpr2tpoolalloc function fails during iscsiswtcpsessioncreate, the user space may access the host’s IP address. If t...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: scsi: iscsi: iscsitcp: Fixed a NULL pointer dereferencing issue when calling getpeername. A crash due to a NULL pointer occurred when freeing a socket at the same time as accessing it via sysfs. The issues are as follows: 1...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: iscsitcp: It is necessary to check that sock is valid before assigning it to iscsisetparam. The validity of sock should be checked before assigning it to prevent incorrect values. The change introduced in commit 57569c37f0a...

Astra Linux – Vulnerability in targetcli-fb

The Open-iSCSI TargetCLI-fb version up to 2.1.52 has weak permissions for the /etc/target directory as well as for the backup directory and backup files...

Astra Linux – Vulnerability in edk2

NetworkPkg/IScsiDxe has remotely exploitable buffer overflows...

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

In the Linux kernel, the following vulnerability has been resolved: scsi: libiscsi: Initialize iscsiconn-dddata only if memory is allocated. In the case of an ibfastregmr allocation failure during iSER setup, the system may encounter a panic because iscsiconn-dddata is initialized unconditionally...

Astra Linux – Vulnerability in Wireshark

The iSCSI dissector in Wireshark versions 4.0.0 to 4.0.6 allows for denial of service through packet injection or malicious capture files...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: scsi: target: core: Fix targetcmdcounter leak The targetcmdcounter structure, which is allocated using targetalloccmdcounter, is never freed, resulting in leaks across various transport types. For example: - Unreferenced objec...