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:...

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...

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...

ROS-20260825-73-0017

The vulnerability of the liotargetnaclinfoshow function in the drivers/target/iscsi/iscsitargetconfigfs.c file of the Linux kernel’s TCM driver is related to the copying of buffers without checking the size of the input data a classic buffer overflow attack. Exploiting this vulnerability could...

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...

Oracle Linux 8 : kernel (ELSA-2026-57253)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-57253 advisory. - smb/client: handle overlapping allocated ranges in fallocate CKI Backport Bot RHEL-236195 CVE-2026-68388 - scsi: target: iscsi: Fix CRC overread and...

MiracleLinux 9 : iscsi-initiator-utils-6.2.1.11-1.git4b3e853.el9_8.2 (AXSA:2026-1615:01)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1615:01 advisory. open-iscsi: open-iscsi: Authentication bypass in iscsiuio control socket CVE-2026-44944 open-iscsi: open-iscsi: Privilege Escalation via Path...

CVE-2026-74556

A flaw was found in the Linux kernel's libiscsitcp component. A remote attacker, acting as a malicious iSCSI target, could send a specially crafted iSCSI SCSI Command Response ISCSIOPSCSICMDRSP with an oversized data segment. This could lead to a buffer overflow in a fixed-size buffer, potentiall...

RLSA-2026:57254 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: net: ieee802154: do not leave a dangling sk pointer in ieee802154create CVE-2024-56602 kernel: ip6gre: Use cached t-net in...

SUSE SLED15 / SLES15 Security Update : open-iscsi (SUSE-SU-2026:3647-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3647-1 advisory. - CVE-2026-44943: remote file-write as root via discovery bsc1268353. - CVE-2026-44944: iscsiuio control-socke...

RockyLinux 8 : kernel-rt (RLSA-2026:57254)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:57254 advisory. kernel: net: ieee802154: do not leave a dangling sk pointer in ieee802154create CVE-2024-56602 kernel: ip6gre: Use cached t-net in ip6erspanchangelink...

AlmaLinux 8 : kernel (ALSA-2026:57253)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:57253 advisory. kernel: net: ieee802154: do not leave a dangling sk pointer in ieee802154create CVE-2024-56602 kernel: ip6gre: Use cached t-net in ip6erspanchangelink...

RockyLinux 8 : kernel (RLSA-2026:57253)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:57253 advisory. kernel: net: ieee802154: do not leave a dangling sk pointer in ieee802154create CVE-2024-56602 kernel: ip6gre: Use cached t-net in ip6erspanchangelink...

kernel security, bug fix, and enhancement update

4.18.0-553.157.1 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug: 24817676 - Conflict with shim-ia32 and...

OESA-2026-3427 open-isns security update

The open-isns package consists of the iSNS server and client programs, which is a partial implementation of the iSNS protocol. The iSNS protocol is defined in RFC 4171 and the purpose of which is to allow it automated and convenient to discover, manage, and configure iSCSI devices. Security Fixes...

OESA-2026-3407 open-iscsi security update

The Open-iSCSI project is a high-performance, transport independent, multi-platform implementation of RFC3720 iSCSI. Security Fixes: An Improper Limitation of a Pathname to a Restricted Directory 'Path Traversal' vulnerability in open-iscsi allows remote MITM attackers to create root-owned files...

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...

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: 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...

kernel: scsi: target: iscsi: Bound iscsi_encode_text_output() appends to rsp_buf

A flaw was found in the Linux kernel's iSCSI Internet Small Computer System Interface target functionality. This vulnerability, a heap overrun, occurs because the iscsiencodetextoutput function does not properly check buffer capacity when processing login requests. A remote attacker could exploit...